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id="第一章-开发环境的安装和配置-⭐" tabindex="-1">第一章：开发环境的安装和配置（⭐） <a class="header-anchor" href="#第一章-开发环境的安装和配置-⭐" aria-label="Permalink to &quot;第一章：开发环境的安装和配置（⭐）&quot;">​</a></h1><h2 id="_1-1-什么是编译器" tabindex="-1">1.1 什么是编译器？ <a class="header-anchor" href="#_1-1-什么是编译器" aria-label="Permalink to &quot;1.1 什么是编译器？&quot;">​</a></h2><ul><li>要开发 C/C++ 程序，需要安装 C/C++ 编译器，目前有两种主流实现，即： <ul><li>GCC（GNU Compiler Collection）：全平台实现，即支持 Windows、MacOS、Linux 等。</li><li>MSVC（Microsoft Visual C++）：只支持 Windows 系统。</li></ul></li><li>GCC 在 Windows 上的版本有很多，如：<a href="https://www.mingw-w64.org/" target="_blank" rel="noreferrer">MinGW-w64</a>、<a href="https://cygwin.com/" target="_blank" rel="noreferrer">Gygwin</a>、<a href="https://www.msys2.org/" target="_blank" rel="noreferrer">MSYS2</a>。它们之间的区别，如下所示：</li></ul><table tabindex="0"><thead><tr><th>特性</th><th>MinGW-w64</th><th>Cygwin</th><th>MSYS2</th></tr></thead><tbody><tr><td><strong>简介</strong></td><td>Minimalist GNU for Windows</td><td>POSIX 兼容环境和工具集</td><td>结合了 MinGW 和 Cygwin 的工具集</td></tr><tr><td><strong>编译器</strong></td><td>提供 GCC 编译器</td><td>提供 POSIX 兼容环境，包含大量工具</td><td>提供 MinGW-w64 工具链和 Cygwin 环境</td></tr><tr><td><strong>生成文件</strong></td><td>Windows 原生可执行文件</td><td>POSIX 兼容的可执行文件</td><td>可以生成 Windows 原生可执行文件或 POSIX 文件</td></tr><tr><td><strong>依赖</strong></td><td>无需额外依赖</td><td>依赖 Cygwin DLL</td><td>根据使用工具链决定（MinGW-w64 无依赖，Cygwin 有依赖）</td></tr><tr><td><strong>工具和库</strong></td><td>基本的编译工具</td><td>丰富的 Unix 工具和库</td><td>丰富的工具和库，强大的包管理系统</td></tr><tr><td><strong>性能</strong></td><td>性能较好</td><td>可能较低，因为通过兼容层调用系统</td><td>取决于使用的工具链（MinGW-w64 性能较好）</td></tr><tr><td><strong>复杂度</strong></td><td>简单易用</td><td>设置和使用相对复杂</td><td>较为灵活，复杂度介于 MinGW-w64 和 Cygwin 之间</td></tr><tr><td><strong>适用场景</strong></td><td>开发 Windows 原生应用</td><td>运行和开发 Unix 程序</td><td>混合使用 Unix 工具和开发 Windows 原生应用</td></tr><tr><td><strong>优点</strong></td><td>轻量级，直接生成 Windows 应用</td><td>完整的 POSIX 兼容环境，丰富的工具</td><td>灵活的环境，强大的包管理系统</td></tr><tr><td><strong>缺点</strong></td><td>工具和库较少</td><td>生成文件依赖 Cygwin DLL，性能可能较低</td><td>环境较大，占用更多空间，复杂性比 MinGW-w64 高</td></tr></tbody></table><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① MinGW-w64 、Cygwin 以及 MSYS2 任选其一安装即可。</li><li>② 目前的 Win10 和 Win11 版本支持 WSL2 （Windows Sub Linux 2 ，即 Windows 的子系统 Linux），可以实现在 Windows 系统上安装一个 Linux ，然后再运行 Linux 中的 GCC 工具链。</li><li>③ 本人的操作系统是 Win11 ，安装和配置都将以该系统为基础作为演示，后续不再赘述！！！</li></ul></div><h2 id="_1-2-编译器的安装和配置" tabindex="-1">1.2 编译器的安装和配置 <a class="header-anchor" href="#_1-2-编译器的安装和配置" aria-label="Permalink to &quot;1.2 编译器的安装和配置&quot;">​</a></h2><h3 id="_1-2-2-mingw-w64-的安装和配置" tabindex="-1">1.2.2 MinGW-w64 的安装和配置 <a class="header-anchor" href="#_1-2-2-mingw-w64-的安装和配置" aria-label="Permalink to &quot;1.2.2 MinGW-w64 的安装和配置&quot;">​</a></h3><h4 id="_1-2-2-1-安装" tabindex="-1">1.2.2.1 安装 <a class="header-anchor" href="#_1-2-2-1-安装" aria-label="Permalink to &quot;1.2.2.1 安装&quot;">​</a></h4><ul><li>下载到本地：略。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>下载地址在<a href="https://github.com/niXman/mingw-builds-binaries/releases/download/13.2.0-rt_v11-rev1/x86_64-13.2.0-release-posix-seh-ucrt-rt_v11-rev1.7z" target="_blank" rel="noreferrer">这里</a>。</p></div><p><img src="'+l+'" alt="" loading="lazy"></p><ul><li>解压到指定的目录，即：</li></ul><p><img src="'+e+'" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>本人的解压目录是：<code>D:\\develop\\mingw64</code> 。</p></div><h4 id="_1-2-2-2-配置-path-环境变量" tabindex="-1">1.2.2.2 配置 path 环境变量 <a class="header-anchor" href="#_1-2-2-2-配置-path-环境变量" aria-label="Permalink to &quot;1.2.2.2 配置 path 环境变量&quot;">​</a></h4><ul><li>配置环境变量，以便任意目录都可以执行 gcc 命令，即：</li></ul><p><img src="'+p+'" alt="" loading="lazy"></p><p><img src="'+t+'" alt="" loading="lazy"></p><p><img src="'+r+'" alt="" loading="lazy"></p><p><img src="'+c+'" alt="" loading="lazy"></p><p><img src="'+h+'" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>因为，本人安装 MinGW-w64 的目录是 <code>D:\\develop\\mingw64</code>，所以本人需要配置的 path 环境变量就是<code>D:\\develop\\mingw64\\bin</code>。</p></div><p><img src="'+d+'" alt="" loading="lazy"></p><ul><li>测试是否安装成功：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">gcc</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --version</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+o+'" alt="" loading="lazy"></p><h3 id="_1-2-3-cygwin-的安装和配置" tabindex="-1">1.2.3 Cygwin 的安装和配置 <a class="header-anchor" href="#_1-2-3-cygwin-的安装和配置" aria-label="Permalink to &quot;1.2.3 Cygwin 的安装和配置&quot;">​</a></h3><h4 id="_1-2-3-1-安装" tabindex="-1">1.2.3.1 安装 <a class="header-anchor" href="#_1-2-3-1-安装" aria-label="Permalink to &quot;1.2.3.1 安装&quot;">​</a></h4><ul><li>下载到本地：略。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>下载地址在<a href="https://www.cygwin.com/install.html" target="_blank" rel="noreferrer">这里</a>。</p></div><p><img src="'+k+'" alt="" loading="lazy"></p><ul><li>点击安装：</li></ul><p><img src="'+u+'" alt="" loading="lazy"></p><p><img src="'+g+'" alt="" loading="lazy"></p><p><img src="'+b+'" alt="" loading="lazy"></p><p><img src="'+m+'" alt="" loading="lazy"></p><p><img src="'+C+'" alt="" loading="lazy"></p><p><img src="'+y+'" alt="" loading="lazy"></p><p><img src="'+E+'" alt="" loading="lazy"></p><p><img src="'+F+'" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>默认是最小化安装，没有 GCC，需要选择 gcc-core、gcc-g++、make、gdb、binutils 。</p></div><p><img src="'+_+'" alt="" loading="lazy"></p><p><img src="'+v+'" alt="" loading="lazy"></p><p><img src="'+B+'" alt="" loading="lazy"></p><p><img src="'+f+'" alt="" loading="lazy"></p><p><img src="'+A+'" alt="" loading="lazy"></p><p><img src="'+D+'" alt="" loading="lazy"></p><p><img src="'+x+'" alt="" loading="lazy"></p><p><img src="'+q+'" alt="" loading="lazy"></p><p><img src="'+w+'" alt="" loading="lazy"></p><h4 id="_1-2-3-2-配置-path-环境变量" tabindex="-1">1.2.3.2 配置 path 环境变量 <a class="header-anchor" href="#_1-2-3-2-配置-path-环境变量" aria-label="Permalink to &quot;1.2.3.2 配置 path 环境变量&quot;">​</a></h4><ul><li>和 <code>1.2.2.2 配置 path 环境变量</code> 步骤相同：略。</li></ul><h3 id="_1-2-4-msys2-推荐" tabindex="-1">1.2.4 MSYS2（推荐） <a class="header-anchor" href="#_1-2-4-msys2-推荐" aria-label="Permalink to &quot;1.2.4 MSYS2（推荐）&quot;">​</a></h3><h4 id="_1-2-4-1-安装" tabindex="-1">1.2.4.1 安装 <a class="header-anchor" href="#_1-2-4-1-安装" aria-label="Permalink to &quot;1.2.4.1 安装&quot;">​</a></h4><ul><li>下载到本地：略。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>下载地址在<a href="https://www.msys2.org/" target="_blank" rel="noreferrer">这里</a>。</p></div><p><img src="'+S+'" alt="" loading="lazy"></p><ul><li>点击安装：</li></ul><p><img src="'+L+'" alt="" loading="lazy"></p><p><img src="'+z+'" alt="" loading="lazy"></p><p><img src="'+P+'" alt="" loading="lazy"></p><p><img src="'+W+'" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>可能很多人，会遇到安装到 <code>50%</code> 就一直卡死在那边，不用慌，关闭它，再次重新安装即可。</p></div><p><img src="'+T+'" alt="" loading="lazy"></p><ul><li>出现命令终端：</li></ul><p><img src="'+M+`" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>如果没有出现命令终端，也不要慌，去 Win11 操作系统的<code>开始</code>菜单，那边找一下，就能找到。</p></div><ul><li>替换清华镜像源（可选）：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">sed</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -i</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \\</span></span>
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id="第一章-开发环境的安装和配置-⭐" tabindex="-1">第一章：开发环境的安装和配置（⭐） <a class="header-anchor" href="#第一章-开发环境的安装和配置-⭐" aria-label="Permalink to &quot;第一章：开发环境的安装和配置（⭐）&quot;">​</a></h1><h2 id="_1-1-什么是编译器" tabindex="-1">1.1 什么是编译器？ <a class="header-anchor" href="#_1-1-什么是编译器" aria-label="Permalink to &quot;1.1 什么是编译器？&quot;">​</a></h2><ul><li>要开发 C/C++ 程序，需要安装 C/C++ 编译器，目前有两种主流实现，即： <ul><li>GCC（GNU Compiler Collection）：全平台实现，即支持 Windows、MacOS、Linux 等。</li><li>MSVC（Microsoft Visual C++）：只支持 Windows 系统。</li></ul></li><li>GCC 在 Windows 上的版本有很多，如：<a href="https://www.mingw-w64.org/" target="_blank" rel="noreferrer">MinGW-w64</a>、<a href="https://cygwin.com/" target="_blank" rel="noreferrer">Gygwin</a>、<a href="https://www.msys2.org/" target="_blank" rel="noreferrer">MSYS2</a>。它们之间的区别，如下所示：</li></ul><table tabindex="0"><thead><tr><th>特性</th><th>MinGW-w64</th><th>Cygwin</th><th>MSYS2</th></tr></thead><tbody><tr><td><strong>简介</strong></td><td>Minimalist GNU for Windows</td><td>POSIX 兼容环境和工具集</td><td>结合了 MinGW 和 Cygwin 的工具集</td></tr><tr><td><strong>编译器</strong></td><td>提供 GCC 编译器</td><td>提供 POSIX 兼容环境，包含大量工具</td><td>提供 MinGW-w64 工具链和 Cygwin 环境</td></tr><tr><td><strong>生成文件</strong></td><td>Windows 原生可执行文件</td><td>POSIX 兼容的可执行文件</td><td>可以生成 Windows 原生可执行文件或 POSIX 文件</td></tr><tr><td><strong>依赖</strong></td><td>无需额外依赖</td><td>依赖 Cygwin DLL</td><td>根据使用工具链决定（MinGW-w64 无依赖，Cygwin 有依赖）</td></tr><tr><td><strong>工具和库</strong></td><td>基本的编译工具</td><td>丰富的 Unix 工具和库</td><td>丰富的工具和库，强大的包管理系统</td></tr><tr><td><strong>性能</strong></td><td>性能较好</td><td>可能较低，因为通过兼容层调用系统</td><td>取决于使用的工具链（MinGW-w64 性能较好）</td></tr><tr><td><strong>复杂度</strong></td><td>简单易用</td><td>设置和使用相对复杂</td><td>较为灵活，复杂度介于 MinGW-w64 和 Cygwin 之间</td></tr><tr><td><strong>适用场景</strong></td><td>开发 Windows 原生应用</td><td>运行和开发 Unix 程序</td><td>混合使用 Unix 工具和开发 Windows 原生应用</td></tr><tr><td><strong>优点</strong></td><td>轻量级，直接生成 Windows 应用</td><td>完整的 POSIX 兼容环境，丰富的工具</td><td>灵活的环境，强大的包管理系统</td></tr><tr><td><strong>缺点</strong></td><td>工具和库较少</td><td>生成文件依赖 Cygwin DLL，性能可能较低</td><td>环境较大，占用更多空间，复杂性比 MinGW-w64 高</td></tr></tbody></table><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① MinGW-w64 、Cygwin 以及 MSYS2 任选其一安装即可。</li><li>② 目前的 Win10 和 Win11 版本支持 WSL2 （Windows Sub Linux 2 ，即 Windows 的子系统 Linux），可以实现在 Windows 系统上安装一个 Linux ，然后再运行 Linux 中的 GCC 工具链。</li><li>③ 本人的操作系统是 Win11 ，安装和配置都将以该系统为基础作为演示，后续不再赘述！！！</li></ul></div><h2 id="_1-2-编译器的安装和配置" tabindex="-1">1.2 编译器的安装和配置 <a class="header-anchor" href="#_1-2-编译器的安装和配置" aria-label="Permalink to &quot;1.2 编译器的安装和配置&quot;">​</a></h2><h3 id="_1-2-2-mingw-w64-的安装和配置" tabindex="-1">1.2.2 MinGW-w64 的安装和配置 <a class="header-anchor" href="#_1-2-2-mingw-w64-的安装和配置" aria-label="Permalink to &quot;1.2.2 MinGW-w64 的安装和配置&quot;">​</a></h3><h4 id="_1-2-2-1-安装" tabindex="-1">1.2.2.1 安装 <a class="header-anchor" href="#_1-2-2-1-安装" aria-label="Permalink to &quot;1.2.2.1 安装&quot;">​</a></h4><ul><li>下载到本地：略。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>下载地址在<a href="https://github.com/niXman/mingw-builds-binaries/releases/download/13.2.0-rt_v11-rev1/x86_64-13.2.0-release-posix-seh-ucrt-rt_v11-rev1.7z" target="_blank" rel="noreferrer">这里</a>。</p></div><p><img src="'+l+'" alt="" loading="lazy"></p><ul><li>解压到指定的目录，即：</li></ul><p><img src="'+e+'" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>本人的解压目录是：<code>D:\\develop\\mingw64</code> 。</p></div><h4 id="_1-2-2-2-配置-path-环境变量" tabindex="-1">1.2.2.2 配置 path 环境变量 <a class="header-anchor" href="#_1-2-2-2-配置-path-环境变量" aria-label="Permalink to &quot;1.2.2.2 配置 path 环境变量&quot;">​</a></h4><ul><li>配置环境变量，以便任意目录都可以执行 gcc 命令，即：</li></ul><p><img src="'+p+'" alt="" loading="lazy"></p><p><img src="'+t+'" alt="" loading="lazy"></p><p><img src="'+r+'" alt="" loading="lazy"></p><p><img src="'+c+'" alt="" loading="lazy"></p><p><img src="'+h+'" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>因为，本人安装 MinGW-w64 的目录是 <code>D:\\develop\\mingw64</code>，所以本人需要配置的 path 环境变量就是<code>D:\\develop\\mingw64\\bin</code>。</p></div><p><img src="'+d+'" alt="" loading="lazy"></p><ul><li>测试是否安装成功：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">gcc</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --version</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+o+'" alt="" loading="lazy"></p><h3 id="_1-2-3-cygwin-的安装和配置" tabindex="-1">1.2.3 Cygwin 的安装和配置 <a class="header-anchor" href="#_1-2-3-cygwin-的安装和配置" aria-label="Permalink to &quot;1.2.3 Cygwin 的安装和配置&quot;">​</a></h3><h4 id="_1-2-3-1-安装" tabindex="-1">1.2.3.1 安装 <a class="header-anchor" href="#_1-2-3-1-安装" aria-label="Permalink to &quot;1.2.3.1 安装&quot;">​</a></h4><ul><li>下载到本地：略。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>下载地址在<a href="https://www.cygwin.com/install.html" target="_blank" rel="noreferrer">这里</a>。</p></div><p><img src="'+k+'" alt="" loading="lazy"></p><ul><li>点击安装：</li></ul><p><img src="'+u+'" alt="" loading="lazy"></p><p><img src="'+g+'" alt="" loading="lazy"></p><p><img src="'+b+'" alt="" loading="lazy"></p><p><img src="'+m+'" alt="" loading="lazy"></p><p><img src="'+C+'" alt="" loading="lazy"></p><p><img src="'+y+'" alt="" loading="lazy"></p><p><img src="'+E+'" alt="" loading="lazy"></p><p><img src="'+F+'" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>默认是最小化安装，没有 GCC，需要选择 gcc-core、gcc-g++、make、gdb、binutils 。</p></div><p><img src="'+_+'" alt="" loading="lazy"></p><p><img src="'+v+'" alt="" loading="lazy"></p><p><img src="'+B+'" alt="" loading="lazy"></p><p><img src="'+f+'" alt="" loading="lazy"></p><p><img src="'+A+'" alt="" loading="lazy"></p><p><img src="'+D+'" alt="" loading="lazy"></p><p><img src="'+x+'" alt="" loading="lazy"></p><p><img src="'+q+'" alt="" loading="lazy"></p><p><img src="'+w+'" alt="" loading="lazy"></p><h4 id="_1-2-3-2-配置-path-环境变量" tabindex="-1">1.2.3.2 配置 path 环境变量 <a class="header-anchor" href="#_1-2-3-2-配置-path-环境变量" aria-label="Permalink to &quot;1.2.3.2 配置 path 环境变量&quot;">​</a></h4><ul><li>和 <code>1.2.2.2 配置 path 环境变量</code> 步骤相同：略。</li></ul><h3 id="_1-2-4-msys2-推荐" tabindex="-1">1.2.4 MSYS2（推荐） <a class="header-anchor" href="#_1-2-4-msys2-推荐" aria-label="Permalink to &quot;1.2.4 MSYS2（推荐）&quot;">​</a></h3><h4 id="_1-2-4-1-安装" tabindex="-1">1.2.4.1 安装 <a class="header-anchor" href="#_1-2-4-1-安装" aria-label="Permalink to &quot;1.2.4.1 安装&quot;">​</a></h4><ul><li>下载到本地：略。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>下载地址在<a href="https://www.msys2.org/" target="_blank" rel="noreferrer">这里</a>。</p></div><p><img src="'+S+'" alt="" loading="lazy"></p><ul><li>点击安装：</li></ul><p><img src="'+L+'" alt="" loading="lazy"></p><p><img src="'+z+'" alt="" loading="lazy"></p><p><img src="'+P+'" alt="" loading="lazy"></p><p><img src="'+W+'" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>可能很多人，会遇到安装到 <code>50%</code> 就一直卡死在那边，不用慌，关闭它，再次重新安装即可。</p></div><p><img src="'+T+'" alt="" loading="lazy"></p><ul><li>出现命令终端：</li></ul><p><img src="'+M+`" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>如果没有出现命令终端，也不要慌，去 Win11 操作系统的<code>开始</code>菜单，那边找一下，就能找到。</p></div><ul><li>替换清华镜像源（可选）：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">sed</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -i</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \\</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;s#https\\?://mirror.msys2.org/#https://mirrors.tuna.tsinghua.edu.cn/msys2/#g&quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \\</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /etc/pacman.d/mirrorlist</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">*</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p><img src="`+U+'" alt="" loading="lazy"></p><ul><li>安装 gcc 等相关开发包：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">pacman</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -Syu</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --noconfirm</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 更新包管理器</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">pacman</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -Sy</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> base-devel</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --noconfirm</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 安装开发工具包</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">pacman</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -Sy</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> mingw-w64-ucrt-x86_64-toolchain</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --noconfirm</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 安装开发 gcc 相关工具链</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>也许，你会看到其他人的安装命令是 <code>pacman -Sy mingw-w64-x86_64-toolchain --noconfirm</code>，此处解释下两者的区别：</p><ul><li>① <code>mingw-w64-x86_64-toolchain</code> 使用更传统的 MSVCRT，适合需要经典 MinGW 环境的项目或依赖较老 C 运行时的应用。</li><li>② <code>mingw-w64-ucrt-x86_64-toolchain</code> 使用 Microsoft 的 UCRT，更适合现代 Windows 开发，提供更好的兼容性和性能。</li></ul></div><p><img src="'+O+'" alt="" loading="lazy"></p><h4 id="_1-2-4-2-配置-path-环境变量" tabindex="-1">1.2.4.2 配置 path 环境变量 <a class="header-anchor" href="#_1-2-4-2-配置-path-环境变量" aria-label="Permalink to &quot;1.2.4.2 配置 path 环境变量&quot;">​</a></h4><ul><li>和 <code>1.2.2.2 配置 path 环境变量</code> 步骤相同：略。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>本人需要配置的 path 环境变量是 <code>C:\\msys64\\ucrt64\\bin</code> 。</p></div><h2 id="_1-3-什么是-ide-集成开发环境" tabindex="-1">1.3 什么是 IDE（集成开发环境）？ <a class="header-anchor" href="#_1-3-什么是-ide-集成开发环境" aria-label="Permalink to &quot;1.3 什么是 IDE（集成开发环境）？&quot;">​</a></h2><ul><li><p>在实际开发中，除了<code>编译器</code>是必须安装的工具之外，我们往往还需要很多其他的辅助软件，如下所示：</p><ul><li>编辑器：用来编写代码，并且给代码着色，以方便阅读。</li><li>代码提示器：输入部分代码，即可提示全部代码，加速代码的编写过程。</li><li>调试器：观察程序的每一个运行步骤，发现程序的逻辑错误。</li><li>项目管理工具：对程序涉及到的所有资源进行管理，包括：源文件、图片、视频、第三方库等。</li><li>漂亮的界面：各种按钮、面板、菜单、窗口等控件整齐排布，操作更方便。</li></ul></li><li><p>这些工具通常被打包在一起，统一安装和发布，如：Visual Studio、CLion 以及 VS Code ，通常统称为集成开发环境（IDE，Integrated Development Environment）。</p></li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① IDE（集成开发环境）就是一系列开发工具的组合套装。这就好比台式机，核心部件是主机。主机就相当于 IDE 的代码编辑器和编译器，有了它们，开发者就可以进行基本的编程工作。然而，正如我们在购买台式机时，通常还会附带显示器、键盘、鼠标、U盘、摄像头等外围设备，IDE 也同样提供了一系列额外的工具和插件，比如：调试器、版本控制集成、代码补全、代码重构工具等。这些“外围设备”让开发过程更加高效、直观，并且能够满足更多的开发需求，使得 IDE 成为一个完整的开发环境。</li><li>② 严格来讲， VS Code 属于编辑器，而不是 IDE；但是，可以通过安装各种插件，来完成 IDE 的功能；而 Visual Studio 和 CLion 属于 IDE。</li><li>③ 在实际开发中，使用 IDE 进行编程并不是一种非常丢人的事情。而使用编辑器，如：<code>记事本</code>、<code>vi/vim</code> 等，进行编程，也并不是一件非常骄傲的事情。可能有些人会在网上发布这样的言论：“学习编程，刚开始需要使用<code>记事本</code>或 <code>vi/vim</code>等简单的编辑器软件，不要使用 IDE ”，目的可能是为了让初学者熟悉编程的基础概念和语法，并避免依赖 IDE 的辅助功能。但是，这种方法或许可以起到锻炼基础技能的功能，但这并不意味着 IDE 就不适合初学者。事实上，许多 IDE 还提供了初学者友好的界面和工具，可以帮助新手更快地入门和理解编程。</li></ul></div><h2 id="_1-4-ide-的安装和配置" tabindex="-1">1.4 IDE 的安装和配置 <a class="header-anchor" href="#_1-4-ide-的安装和配置" aria-label="Permalink to &quot;1.4 IDE 的安装和配置&quot;">​</a></h2><h3 id="_1-4-1-clion" tabindex="-1">1.4.1 CLion <a class="header-anchor" href="#_1-4-1-clion" aria-label="Permalink to &quot;1.4.1 CLion&quot;">​</a></h3><h4 id="_1-4-1-1-概述" tabindex="-1">1.4.1.1 概述 <a class="header-anchor" href="#_1-4-1-1-概述" aria-label="Permalink to &quot;1.4.1.1 概述&quot;">​</a></h4><ul><li><a href="https://www.jetbrains.com/clion/" target="_blank" rel="noreferrer">CLion</a> 是一款由 JetBrains 推出的跨平台 C/C++ 集成开发环境（IDE），它具有智能编辑器、CMake 构建支持、调试器、单元测试、代码分析等功能，可以极大提高 C/C++ 开发效率。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① 本次，演示的 CLion 的安装版本是 2024.1.4 ，后续版本可能会更新，但是操作几乎不会发生太多变化！！！</li><li>② CLion 作为一个 IDE，本身就携带了各个平台（操作系统）的 C 语言编译器，如：Windows 中就是 MinGW；但是，CLion 中自带的 C 语言编译器版本可能并非我们实际开发所想要的，这也是在 Windows 中，为什么推荐使用 MSYS2 的原因所在。</li></ul></div><h4 id="_1-4-1-2-安装" tabindex="-1">1.4.1.2 安装 <a class="header-anchor" href="#_1-4-1-2-安装" aria-label="Permalink to &quot;1.4.1.2 安装&quot;">​</a></h4><ul><li>鼠标双击，进入安装：</li></ul><p><img src="'+I+'" alt="" loading="lazy"></p><ul><li>下一步：</li></ul><p><img src="'+N+'" alt="" loading="lazy"></p><ul><li>下一步：</li></ul><p><img src="'+R+'" alt="" loading="lazy"></p><ul><li>下一步：</li></ul><p><img src="'+V+'" alt="" loading="lazy"></p><ul><li>安装：</li></ul><p><img src="'+G+'" alt="" loading="lazy"></p><ul><li>安装完成：</li></ul><p><img src="'+X+'" alt="" loading="lazy"></p><h4 id="_1-4-1-3-配置" tabindex="-1">1.4.1.3 配置 <a class="header-anchor" href="#_1-4-1-3-配置" aria-label="Permalink to &quot;1.4.1.3 配置&quot;">​</a></h4><ul><li>打开 CLion ：</li></ul><p><img src="'+$+'" alt="" loading="lazy"></p><ul><li>安装中文插件（可选）：</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>对于以中文、韩语和日语为母语的开发者，CLion 在 2024.2 之后的版本就绑定了本地化插件，即不需要再安装本地化插件了。</p></div><p><img src="'+H+'" alt="" loading="lazy"></p><p><img src="'+K+'" alt="" loading="lazy"></p><ul><li>配置新 UI ：</li></ul><p><img src="'+Q+'" alt="" loading="lazy"></p><p><img src="'+J+'" alt="" loading="lazy"></p><ul><li>新 UI 配置自定义字体（可选）：</li></ul><p><img src="'+Y+'" alt="" loading="lazy"></p><ul><li>配置<code>自动保存</code>功能：</li></ul><p><img src="'+j+'" alt="" loading="lazy"></p><ul><li>配置<code>文件编码</code> 为 UTF-8：</li></ul><p><img src="'+Z+'" alt="" loading="lazy"></p><ul><li>配置<code>控制台编码</code>为 UTF-8：</li></ul><p><img src="'+ss+'" alt="" loading="lazy"></p><ul><li>配置<code>显示方法分隔符</code>功能：</li></ul><p><img src="'+as+'" alt="" loading="lazy"></p><ul><li>配置<code>编辑器</code>的字体（可选）：</li></ul><p><img src="'+is+'" alt="" loading="lazy"></p><ul><li>检测 GCC 工具链是否安装成功：</li></ul><p><img src="'+ns+'" alt="" loading="lazy"></p><h3 id="_1-4-2-vs-code" tabindex="-1">1.4.2 VS Code <a class="header-anchor" href="#_1-4-2-vs-code" aria-label="Permalink to &quot;1.4.2 VS Code&quot;">​</a></h3><h4 id="_1-4-2-1-概述" tabindex="-1">1.4.2.1 概述 <a class="header-anchor" href="#_1-4-2-1-概述" aria-label="Permalink to &quot;1.4.2.1 概述&quot;">​</a></h4><ul><li><a href="https://code.visualstudio.com/" target="_blank" rel="noreferrer">Visual Studio Code (VS Code)</a> 是一个免费的开源代码编辑器，适用于 Windows、MacOS 和 Linux 平台。它支持语法高亮、智能代码补全（IntelliSense）、内置调试工具和Git集成。用户可以通过扩展来添加更多功能，如：支持新的编程语言、主题和调试工具。VS Code 还支持在微软 Azure 上进行部署和托管，适用于各种编程语言和框架。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① Visual Studio Code 需要安装对应的插件，才能运行 C/C++ 代码。</li><li>② Visual Studio Code 除了开源免费的优点之外，还有一个优点就是插件巨多（几乎所有主流的编程语言都提供有对应的插件），这也是很多程序员喜欢使用它的原因。</li></ul></div><h4 id="_1-4-2-2-安装" tabindex="-1">1.4.2.2 安装 <a class="header-anchor" href="#_1-4-2-2-安装" aria-label="Permalink to &quot;1.4.2.2 安装&quot;">​</a></h4><ul><li>鼠标双击，进入安装：</li></ul><p><img src="'+ls+'" alt="" loading="lazy"></p><ul><li>同意协议：</li></ul><p><img src="'+es+'" alt="" loading="lazy"></p><ul><li>下一步：</li></ul><p><img src="'+ps+'" alt="" loading="lazy"></p><ul><li>下一步：</li></ul><p><img src="'+ts+'" alt="" loading="lazy"></p><ul><li>下一步：</li></ul><p><img src="'+rs+'" alt="" loading="lazy"></p><ul><li>安装：</li></ul><p><img src="'+cs+'" alt="" loading="lazy"></p><ul><li>安装过程：</li></ul><p><img src="'+hs+'" alt="" loading="lazy"></p><ul><li>安装完成：</li></ul><p><img src="'+ds+'" alt="" loading="lazy"></p><h4 id="_1-4-2-3-配置" tabindex="-1">1.4.2.3 配置 <a class="header-anchor" href="#_1-4-2-3-配置" aria-label="Permalink to &quot;1.4.2.3 配置&quot;">​</a></h4><ul><li>安装<code>中文</code>插件：</li></ul><p><img src="'+os+'" alt="" loading="lazy"></p><p><img src="'+ks+'" alt="" loading="lazy"></p><ul><li>安装 <code>C/C++</code> 插件：</li></ul><p><img src="'+us+'" alt="" loading="lazy"></p><p><img src="'+gs+'" alt="" loading="lazy"></p><h3 id="_1-4-3-microsoft-visual-studio" tabindex="-1">1.4.3 Microsoft Visual Studio <a class="header-anchor" href="#_1-4-3-microsoft-visual-studio" aria-label="Permalink to &quot;1.4.3 Microsoft Visual Studio&quot;">​</a></h3><h4 id="_1-4-3-1-概述" tabindex="-1">1.4.3.1 概述 <a class="header-anchor" href="#_1-4-3-1-概述" aria-label="Permalink to &quot;1.4.3.1 概述&quot;">​</a></h4><ul><li><a href="https://visualstudio.microsoft.com/" target="_blank" rel="noreferrer">Visual Studio</a>（简称 VS）是由微软公司发布的集成开发环境。它包括了整个软件生命周期中所需要的大部分工具，如：UML 工具、代码管控工具、项目版本控制 Git 等。</li><li>Visual Studio 支持 C/C++、C#、F#、VB 等多种程序语言的开发和测试，可以用于生成 Web 应用程序，也可以生成桌面应用程序，功能十分强大，但下载和安装很可能耗时数小时，还可能会塞满磁盘。</li><li>Visual Studio 有三种版本：社区版（免费，不支持企业使用），专业版（收费）和企业版（收费）。企业版拥有面向架构师的功能、高级调试和测试，这些功能是另外两种版本所没有的。</li><li>Visual Studio 旨在成为世界上最好的 IDE（集成开发环境），号称“宇宙第一强大 IDE”。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>本次，演示的 Visual Studio 的安装版本是 Visual Studio 2022 ，后续版本可能会更新，但是操作几乎不会发生太多变化！！！</p></div><h4 id="_1-4-3-2-安装" tabindex="-1">1.4.3.2 安装 <a class="header-anchor" href="#_1-4-3-2-安装" aria-label="Permalink to &quot;1.4.3.2 安装&quot;">​</a></h4><ul><li>鼠标双击，进入安装：</li></ul><p><img src="'+bs+'" alt="" loading="lazy"></p><ul><li>继续：</li></ul><p><img src="'+ms+'" alt="" loading="lazy"></p><ul><li>等待：</li></ul><p><img src="'+Cs+'" alt="" loading="lazy"></p><ul><li>工作负荷（使用 C++ 的桌面开发）：</li></ul><p><img src="'+ys+'" alt="" loading="lazy"></p><ul><li>单个组件：</li></ul><p><img src="'+Es+'" alt="" loading="lazy"></p><ul><li>语言包：</li></ul><p><img src="'+Fs+'" alt="" loading="lazy"></p><ul><li>安装位置（修改默认的安装位置）：</li></ul><p><img src="'+_s+'" alt="" loading="lazy"></p><ul><li>如果不是第一次安装，可能会出现<code>共享组件、工具和 SDK</code>不可以修改，即：</li></ul><p><img src="'+vs+'" alt="" loading="lazy"></p><ul><li>此时，就需要打开<code>注册表编辑器</code>，将如下图中的除了第一个选项，全部删除，然后关闭再重新安装，即：</li></ul><p><img src="'+Bs+'" alt="" loading="lazy"></p><ul><li>开始安装：</li></ul><p><img src="'+fs+'" alt="" loading="lazy"></p><ul><li>安装中：</li></ul><p><img src="'+As+'" alt="" loading="lazy"></p><ul><li>安装完成，然后关闭：</li></ul><p><img src="'+Ds+'" alt="" loading="lazy"></p><h4 id="_1-4-3-3-配置" tabindex="-1">1.4.3.3 配置 <a class="header-anchor" href="#_1-4-3-3-配置" aria-label="Permalink to &quot;1.4.3.3 配置&quot;">​</a></h4><ul><li>在开始菜单处，启动 VS ：</li></ul><p><img src="'+xs+'" alt="" loading="lazy"></p><ul><li>登录或跳过该选项（有微软账号就注册，没有就暂时跳过）：</li></ul><p><img src="'+qs+'" alt="" loading="lazy"></p><ul><li>继续：</li></ul><p><img src="'+ws+'" alt="" loading="lazy"></p><ul><li>注册 VS ：</li></ul><p><img src="'+Ss+'" alt="" loading="lazy"></p><ul><li>填写注册码：</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① Pro 版本：<code>TD244-P4NB7-YQ6XK-Y8MMM-YWV2J</code></li><li>② Enterprise 版本：<code>VHF9H-NXBBB-638P6-6JHCY-88JWH</code></li></ul></div><p><img src="'+Ls+'" alt="" loading="lazy"></p><p><img src="'+zs+'" alt="" loading="lazy"></p><h2 id="_1-5-什么是工程-项目" tabindex="-1">1.5 什么是工程/项目 ？ <a class="header-anchor" href="#_1-5-什么是工程-项目" aria-label="Permalink to &quot;1.5 什么是工程/项目 ？&quot;">​</a></h2><h3 id="_1-5-1-概述" tabindex="-1">1.5.1 概述 <a class="header-anchor" href="#_1-5-1-概述" aria-label="Permalink to &quot;1.5.1 概述&quot;">​</a></h3><ul><li>一个真正的软件往往包含多项功能，每一项功能都需要几十行、几千行甚至几万行的代码，如果我们将这些代码都放到一个源文件中，不但打开的速度极慢，代码的编写和维护也会变得非常困难。</li><li>在实际开发中，随着软件规模的增加，代码的复杂性也会显著提升，为了提高代码的易读性、维护性等，程序员会将代码按照功能分别放到不同的源文件中。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>需要说明的是，一个真正的软件除了源代码之外，往往还会包括图片、视频、音频、库（框架）等其它资源，这些也是一个个的文件。</p></div><ul><li>为了有效的管理这些种类繁杂、数目众多的文件，我们会将这些文件按照功能放到不同的目录中进行统一管理，并且这个目录下只存放与当前程序有关的资源。其实，这就是工程或项目。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>总结：</p><ul><li>① 随着软件规模的增加，代码的复杂性也会显著提升。将代码分割成多个模块或文件并分别管理，可以减少每个文件的复杂度，使代码更易读、易理解、易维护。工程提供了一个结构化的环境，将这些文件组织在一个系统化的目录结构中。</li><li>② 除了代码，软件开发还涉及到各种资源的管理，如：图片、音频、视频、配置文件等。工程能够帮助开发者将这些资源合理地分类存放，并与代码一同管理，确保它们在开发、编译和运行时能被正确引用。</li></ul></div><ul><li>许多 IDE 都提供了工程或项目的概念，其目的就是为了帮助开发者合理的管理软件开发中所需要的资源，如：图片、视频、音频、库（框架）等。</li></ul><p><img src="'+Ps+'" alt="" loading="lazy"></p><h3 id="_1-5-2-工程类型-项目类型" tabindex="-1">1.5.2 工程类型/项目类型 <a class="header-anchor" href="#_1-5-2-工程类型-项目类型" aria-label="Permalink to &quot;1.5.2 工程类型/项目类型&quot;">​</a></h3><ul><li><p>程序或软件是一个非常宽泛的概念，它可以细分为很多种类，如下所示：</p><ul><li>控制台程序（Console Application）：控制台程序是一种不具备图形用户界面的程序，它通过文本方式与用户交互，通常运行在命令行窗口（黑底白字的终端），如：Unix/Linux 中的<code>ls</code>命令、Windows 中的<code>cmd.exe</code>等。</li><li>GUI 程序（Graphical User Interface Program）：GUI 程序是一种具有图形用户界面的程序，通过窗口、按钮、菜单等图形控件与用户交互，如：微信、QQ 等。</li><li>静态库和动态库：不单独出现，而是作为其它程序的一个组成部分，普通用户很难接触到它们。 <ul><li>静态库指的是在编译时包含到程序中的库，程序不依赖外部文件运行，如：在 C/C++ 中，静态库通常以<code>.lib</code>（Windows）或<code>.a</code>（Unix/Linux）为扩展名。</li><li>动态库指的是在运行时加载的库，允许多个程序共享，并且程序在运行时依赖这些库，如： 在Windows中，动态库通常以<code>.dll</code>为扩展名；在 Unix/Linux 中，以<code>.so</code>为扩展名。</li></ul></li></ul></li><li><p>不同类型的程序（控制台程序、GUI 程序、静态库、动态库等）需要不同的配置和文件结构，因此在 IDE 中创建项目时，选择正确的工程类型非常重要。不同的工程类型决定了 IDE 为我们生成的初始文件、目录结构，以及预设的一些编译和链接参数。</p></li></ul><div class="important custom-block github-alert"><p class="custom-block-title">IMPORTANT</p><p></p><ul><li>① 控制台程序适合初学者，因为它更简单，没有复杂的界面元素，开发时可以专注于逻辑和代码本身。</li><li>② 而 GUI 程序则涉及到用户界面设计和事件驱动编程，更适合有一定编程基础的人进行学习和开发。</li></ul></div><h1 id="第二章-c-语言入门-helloworld-⭐" tabindex="-1">第二章：C 语言入门（HelloWorld，⭐） <a class="header-anchor" href="#第二章-c-语言入门-helloworld-⭐" aria-label="Permalink to &quot;第二章：C 语言入门（HelloWorld，⭐）&quot;">​</a></h1><h2 id="_2-1-手动版" tabindex="-1">2.1 手动版 <a class="header-anchor" href="#_2-1-手动版" aria-label="Permalink to &quot;2.1 手动版&quot;">​</a></h2><ul><li>① 新建一个 <code>HelloWorld.c</code> 的文件：</li></ul><p><img src="'+Ws+`" alt="" loading="lazy"></p><ul><li>② 通过<code>记事本</code>等软件打开该文件，输入如下的代码，并保存：</li></ul><div class="language-c vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdio.h&gt;</span></span>
<span class="line"></span>
@ -290,8 +290,8 @@ import{_ as s,c as a,o as i,a6 as n}from"./chunks/framework.hMCIpNYY.js";const l
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> libelf++0</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> libbfb0-dev</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> python-dev-is-python3</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p><img src="`+ii+`" alt="" loading="lazy"></p><ul><li>下载源码：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">git</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> clone</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \\</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --depth</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \\</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --single-branch</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --branch=linux-msft-wsl-\${</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">KERNEL_VERSION</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">}</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \\</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> https://github.com/microsoft/WSL2-Linux-Kernel.git</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><img src="`+ni+'" alt="" loading="lazy"></p><ul><li>编译内核代码：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">cd</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> WSL2-Linux-Kernel</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -j</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">nproc</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">KCONFIG_CONFIG=Microsoft/config-wsl</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+li+'" alt="" loading="lazy"></p><ul><li>编译 perf 工具：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">cd</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> tools/perf</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> clean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> &amp;&amp; </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+ei+'" alt="" loading="lazy"></p><ul><li>复制到 PATH 变量所指向的路径中：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">cp</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> perf</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /usr/bin/</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+pi+'" alt="" loading="lazy"></p><h3 id="_8-4-3-整合" tabindex="-1">8.4.3 整合 <a class="header-anchor" href="#_8-4-3-整合" aria-label="Permalink to &quot;8.4.3 整合&quot;">​</a></h3><ul><li>CLion 中配置 perf 的路径：</li></ul><p><img src="'+ti+'" alt="" loading="lazy"></p><ul><li>在 CLion 中通过 perf 运行代码：</li></ul><p><img src="'+ri+'" alt="" loading="lazy"></p><h2 id="_8-5-win-中文乱码问题" tabindex="-1">8.5 Win 中文乱码问题 <a class="header-anchor" href="#_8-5-win-中文乱码问题" aria-label="Permalink to &quot;8.5 Win 中文乱码问题&quot;">​</a></h2><ul><li>前文，我们提及到，在 Win 中，如果出现<code>中文乱码</code>问题，就需要去<code>语言和区别</code>设置<code>系统区域</code>的编码为 UTF-8 ；但是，这样可能会造成其它的软件出现中文乱码问题，如：Xshell 等。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① 之所以，修改系统的编码为 UTF-8 会出现问题，是因为早期的 Win 系统的中文默认编码是 GBK（目前也是，Win 并没有强制第三方软件使用 UTF-8 编码） ，而 Xshell 等也使用的这些编码，一旦我们修改为 UTF-8 之后，可能会造成这些第三方软件出现中文乱码问题（第三方软件适配问题，相信将来应该都会切换为 UTF-8 编码），体验较差！！！</li><li>② 在 Linux 或 MacOS 之所以不会出现中文乱码的问题，是因为这些系统默认的编码就是 UTF-8 。</li></ul></div><ul><li>其实，还有一种解决方案，如下所示：</li></ul><p><img src="'+ci+'" alt="" loading="lazy"></p><p><img src="'+hi+'" alt="" loading="lazy"></p><p><img src="'+di+'" alt="" loading="lazy"></p><ul><li>测试一下，是否配置成功：</li></ul><p><img src="'+oi+'" alt="" loading="lazy"></p><h2 id="_8-6-clion-中自动导入头文件" tabindex="-1">8.6 CLion 中自动导入头文件 <a class="header-anchor" href="#_8-6-clion-中自动导入头文件" aria-label="Permalink to &quot;8.6 CLion 中自动导入头文件&quot;">​</a></h2><ul><li>在 CLion 中，最为强大的功能就是直接输入函数，然后让 IDE 帮我们自动导入头文件，包括自定义的头文件，相当实用。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① CLion 中的<code>自动导入头文件</code>的<code>快捷键</code>是 <code>Alt + Enter</code> 。</li><li>② CLion 中的<code>自动提取变量的类型</code>的<code>快捷键</code>是 <code>Ctrl + Alt + V</code> 。</li></ul></div><p><img src="'+ki+'" alt="" loading="lazy"></p><ul><li>开启自动导入头文件的步骤，如下所示：</li></ul><p><img src="'+ui+'" alt="" loading="lazy"></p><p><img src="'+gi+'" alt="" loading="lazy"></p><h2 id="_8-7-wsl2-启用-systemd" tabindex="-1">8.7 WSL2 启用 systemd <a class="header-anchor" href="#_8-7-wsl2-启用-systemd" aria-label="Permalink to &quot;8.7 WSL2 启用 systemd&quot;">​</a></h2><h3 id="_8-7-1-概述" tabindex="-1">8.7.1 概述 <a class="header-anchor" href="#_8-7-1-概述" aria-label="Permalink to &quot;8.7.1 概述&quot;">​</a></h3><ul><li>根据 <a href="https://systemd.io/" target="_blank" rel="noreferrer">systemd.io</a>：“systemd 是 Linux 系统的基本构建基块套件。 它提供一个系统和服务管理器，该管理器作为 PID 1 运行并启动系统的其余部分。”</li><li>Systemd 主要是一个 init 系统和服务管理器，它包括按需启动守护程序、装载和自动装载点维护、快照支持以及使用 Linux 控制组进行跟踪等功能。</li><li>大多数主要的 Linux 发行版现在都运行 systemd，因此在 WSL 上启用它可使体验更接近于使用裸机 Linux。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>默认情况下，在 WSL2 中，只有 Ubuntu 才会将 systemd 作为 pid-1 的守护进程启动整个 WSL2，而其余的 Linux 的守护进程并不是这样的。</p></div><ul><li>检查进程树，判断 systemd 是否正在运行：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ps</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -o</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> comm=</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 如果显示 systemd ，则表示 systemd 正在运行</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+bi+`" alt="" loading="lazy"></p><h3 id="_8-7-2-操作步骤" tabindex="-1">8.7.2 操作步骤 <a class="header-anchor" href="#_8-7-2-操作步骤" aria-label="Permalink to &quot;8.7.2 操作步骤&quot;">​</a></h3><ul><li>① 查询 WSL2 的版本，确保 WSL2 的版本为 <code>0.67.6</code> 或更高版本：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"># 如果未满足要求，则使用 wsl --update 更新 WSL2 版本</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">wsl</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --version</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 在 win 中的 cmd 或 PowerShell</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p><img src="`+mi+`" alt="" loading="lazy"></p><ul><li>② 向 <code>/etc/wsl.conf</code> 配置文件中写入以下内容：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">cat</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &lt;&lt;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">EOF</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> tee</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /etc/wsl.conf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> https://github.com/microsoft/WSL2-Linux-Kernel.git</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><img src="`+ni+'" alt="" loading="lazy"></p><ul><li>编译内核代码：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">cd</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> WSL2-Linux-Kernel</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -j</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">nproc</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">KCONFIG_CONFIG=Microsoft/config-wsl</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+li+'" alt="" loading="lazy"></p><ul><li>编译 perf 工具：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">cd</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> tools/perf</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> clean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> &amp;&amp; </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+ei+'" alt="" loading="lazy"></p><ul><li>复制到 PATH 变量所指向的路径中：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">cp</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> perf</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /usr/bin/</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+pi+'" alt="" loading="lazy"></p><h3 id="_8-4-3-整合" tabindex="-1">8.4.3 整合 <a class="header-anchor" href="#_8-4-3-整合" aria-label="Permalink to &quot;8.4.3 整合&quot;">​</a></h3><ul><li>CLion 中配置 perf 的路径：</li></ul><p><img src="'+ti+'" alt="" loading="lazy"></p><ul><li>在 CLion 中通过 perf 运行代码：</li></ul><p><img src="'+ri+'" alt="" loading="lazy"></p><h2 id="_8-5-win-中文乱码问题" tabindex="-1">8.5 Win 中文乱码问题 <a class="header-anchor" href="#_8-5-win-中文乱码问题" aria-label="Permalink to &quot;8.5 Win 中文乱码问题&quot;">​</a></h2><ul><li>前文，我们提及到，在 Win 中，如果出现<code>中文乱码</code>问题，就需要去<code>语言和区别</code>设置<code>系统区域</code>的编码为 UTF-8 ；但是，这样可能会造成其它的软件出现中文乱码问题，如：Xshell 等。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① 之所以，修改系统的编码为 UTF-8 会出现问题，是因为早期的 Win 系统的中文默认编码是 GBK（目前也是，Win 并没有强制第三方软件使用 UTF-8 编码） ，而 Xshell 等也使用的这些编码，一旦我们修改为 UTF-8 之后，可能会造成这些第三方软件出现中文乱码问题（第三方软件适配问题，相信将来应该都会切换为 UTF-8 编码），体验较差！！！</li><li>② 在 Linux 或 MacOS 之所以不会出现中文乱码的问题，是因为这些系统默认的编码就是 UTF-8 。</li></ul></div><ul><li>其实，还有一种解决方案，如下所示：</li></ul><p><img src="'+ci+'" alt="" loading="lazy"></p><p><img src="'+hi+'" alt="" loading="lazy"></p><p><img src="'+di+'" alt="" loading="lazy"></p><ul><li>测试一下，是否配置成功：</li></ul><p><img src="'+oi+'" alt="" loading="lazy"></p><h2 id="_8-6-clion-中自动导入头文件" tabindex="-1">8.6 CLion 中自动导入头文件 <a class="header-anchor" href="#_8-6-clion-中自动导入头文件" aria-label="Permalink to &quot;8.6 CLion 中自动导入头文件&quot;">​</a></h2><ul><li>在 CLion 中，最为强大的功能就是直接输入函数，然后让 IDE 帮我们自动导入头文件，包括自定义的头文件，相当实用。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① CLion 中的<code>自动导入头文件</code>的<code>快捷键</code>是 <code>Alt + Enter</code> 。</li><li>② CLion 中的<code>自动提取变量的类型</code>的<code>快捷键</code>是 <code>Ctrl + Alt + V</code> 。</li></ul></div><p><img src="'+ki+'" alt="" loading="lazy"></p><ul><li>开启自动导入头文件的步骤，如下所示：</li></ul><p><img src="'+ui+'" alt="" loading="lazy"></p><p><img src="'+gi+'" alt="" loading="lazy"></p><h2 id="_8-7-wsl2-启用-systemd" tabindex="-1">8.7 WSL2 启用 systemd <a class="header-anchor" href="#_8-7-wsl2-启用-systemd" aria-label="Permalink to &quot;8.7 WSL2 启用 systemd&quot;">​</a></h2><h3 id="_8-7-1-概述" tabindex="-1">8.7.1 概述 <a class="header-anchor" href="#_8-7-1-概述" aria-label="Permalink to &quot;8.7.1 概述&quot;">​</a></h3><ul><li>根据 <a href="https://systemd.io/" target="_blank" rel="noreferrer">systemd.io</a>：“systemd 是 Linux 系统的基本构建基块套件。 它提供一个系统和服务管理器，该管理器作为 PID 1 运行并启动系统的其余部分。”</li><li>Systemd 主要是一个 init 系统和服务管理器，它包括按需启动守护程序、装载和自动装载点维护、快照支持以及使用 Linux 控制组进行跟踪等功能。</li><li>大多数主要的 Linux 发行版现在都运行 systemd，因此在 WSL2 上启用它可使体验更接近于使用裸机 Linux。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① 默认情况下，在 WSL2 中，只有 Ubuntu 才会将 systemd 作为 pid-1 的守护进程。</li><li>② 但是，基于 WSL2 为内核的其余 Linux 发行版本并非将 systemd 作为 pid-1 的守护进程。</li><li>③ 本次以 AlmaLinux9 作为演示！！！</li></ul></div><ul><li>检查进程树，判断 systemd 是否正在运行：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ps</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -o</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> comm=</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 如果显示 systemd ，则表示 systemd 正在运行</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+bi+`" alt="" loading="lazy"></p><h3 id="_8-7-2-操作步骤" tabindex="-1">8.7.2 操作步骤 <a class="header-anchor" href="#_8-7-2-操作步骤" aria-label="Permalink to &quot;8.7.2 操作步骤&quot;">​</a></h3><ul><li>① 查询 WSL2 的版本，确保 WSL2 的版本为 <code>0.67.6</code> 或更高版本：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"># 如果未满足要求，则使用 wsl --update 更新 WSL2 版本</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">wsl</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --version</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 在 win 中的 cmd 或 PowerShell 执行该命令</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p><img src="`+mi+`" alt="" loading="lazy"></p><ul><li>② 向 <code>/etc/wsl.conf</code> 配置文件中写入以下内容：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">cat</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &lt;&lt;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">EOF</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> tee</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /etc/wsl.conf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">[boot]</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">systemd=true</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">EOF</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><img src="`+Ci+'" alt="" loading="lazy"></p><ul><li>③ 重启 WSL 实例：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">wsl</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --shutdown</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 在 win 中的 cmd 或 PowerShell</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+yi+'" alt="" loading="lazy"></p><ul><li>④ 查看是否启用成功：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ps</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -o</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> comm=</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+Ei+'" alt="" loading="lazy"></p>',592),vi=[_i];function Bi(fi,Ai,Di,xi,qi,wi){return i(),a("div",null,vi)}const zi=s(Fi,[["render",Bi]]);export{Li as __pageData,zi as default};
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">EOF</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><img src="`+Ci+'" alt="" loading="lazy"></p><ul><li>③ 重启 WSL 实例：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">wsl</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --shutdown</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 在 win 中的 cmd 或 PowerShell 执行该命令</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+yi+'" alt="" loading="lazy"></p><ul><li>④ 查看是否启用成功：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ps</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -o</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> comm=</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="'+Ei+'" alt="" loading="lazy"></p>',592),vi=[_i];function Bi(fi,Ai,Di,xi,qi,wi){return i(),a("div",null,vi)}const zi=s(Fi,[["render",Bi]]);export{Li as __pageData,zi as default};

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assets/notes_01_c-basic_01_xdx_index.md.B6akZIP5.lean.js → assets/notes_01_c-basic_01_xdx_index.md.DvCUr2L0.lean.js
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<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> libelf++0</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> libbfb0-dev</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> python-dev-is-python3</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p><img src="/c/assets/161.BPOK9irZ.gif" alt="" loading="lazy"></p><ul><li>下载源码：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">git</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> clone</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --depth</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --single-branch</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --branch=linux-msft-wsl-${</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">KERNEL_VERSION</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">}</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> https://github.com/microsoft/WSL2-Linux-Kernel.git</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><img src="/c/assets/162.B1eB55rC.gif" alt="" loading="lazy"></p><ul><li>编译内核代码：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">cd</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> WSL2-Linux-Kernel</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -j</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">nproc</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">KCONFIG_CONFIG=Microsoft/config-wsl</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/163.VIcU-hkN.gif" alt="" loading="lazy"></p><ul><li>编译 perf 工具：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">cd</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> tools/perf</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> clean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> &amp;&amp; </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/164.BM9viRZJ.gif" alt="" loading="lazy"></p><ul><li>复制到 PATH 变量所指向的路径中：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">cp</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> perf</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /usr/bin/</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/165.DpMBA1SK.gif" alt="" loading="lazy"></p><h3 id="_8-4-3-整合" tabindex="-1">8.4.3 整合 <a class="header-anchor" href="#_8-4-3-整合" aria-label="Permalink to &quot;8.4.3 整合&quot;">​</a></h3><ul><li>CLion 中配置 perf 的路径：</li></ul><p><img src="/c/assets/166.DgXuU6LF.png" alt="" loading="lazy"></p><ul><li>在 CLion 中通过 perf 运行代码：</li></ul><p><img src="/c/assets/167.Dnw73s2h.gif" alt="" loading="lazy"></p><h2 id="_8-5-win-中文乱码问题" tabindex="-1">8.5 Win 中文乱码问题 <a class="header-anchor" href="#_8-5-win-中文乱码问题" aria-label="Permalink to &quot;8.5 Win 中文乱码问题&quot;">​</a></h2><ul><li>前文，我们提及到，在 Win 中，如果出现<code>中文乱码</code>问题，就需要去<code>语言和区别</code>设置<code>系统区域</code>的编码为 UTF-8 ；但是，这样可能会造成其它的软件出现中文乱码问题，如：Xshell 等。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① 之所以，修改系统的编码为 UTF-8 会出现问题，是因为早期的 Win 系统的中文默认编码是 GBK（目前也是，Win 并没有强制第三方软件使用 UTF-8 编码） ，而 Xshell 等也使用的这些编码，一旦我们修改为 UTF-8 之后，可能会造成这些第三方软件出现中文乱码问题（第三方软件适配问题，相信将来应该都会切换为 UTF-8 编码），体验较差！！！</li><li>② 在 Linux 或 MacOS 之所以不会出现中文乱码的问题，是因为这些系统默认的编码就是 UTF-8 。</li></ul></div><ul><li>其实，还有一种解决方案，如下所示：</li></ul><p><img src="/c/assets/168.SnFXRSaL.png" alt="" loading="lazy"></p><p><img src="/c/assets/169.DnoEqOjV.png" alt="" loading="lazy"></p><p><img src="/c/assets/170.BJBdn7pw.png" alt="" loading="lazy"></p><ul><li>测试一下，是否配置成功：</li></ul><p><img src="/c/assets/171.DXtQWYsM.gif" alt="" loading="lazy"></p><h2 id="_8-6-clion-中自动导入头文件" tabindex="-1">8.6 CLion 中自动导入头文件 <a class="header-anchor" href="#_8-6-clion-中自动导入头文件" aria-label="Permalink to &quot;8.6 CLion 中自动导入头文件&quot;">​</a></h2><ul><li>在 CLion 中，最为强大的功能就是直接输入函数，然后让 IDE 帮我们自动导入头文件，包括自定义的头文件，相当实用。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① CLion 中的<code>自动导入头文件</code>的<code>快捷键</code>是 <code>Alt + Enter</code> 。</li><li>② CLion 中的<code>自动提取变量的类型</code>的<code>快捷键</code>是 <code>Ctrl + Alt + V</code> 。</li></ul></div><p><img src="/c/assets/172.hcERTQkN.gif" alt="" loading="lazy"></p><ul><li>开启自动导入头文件的步骤，如下所示：</li></ul><p><img src="/c/assets/173.CioraEUv.png" alt="" loading="lazy"></p><p><img src="/c/assets/174.kWHWwnc_.png" alt="" loading="lazy"></p><h2 id="_8-7-wsl2-启用-systemd" tabindex="-1">8.7 WSL2 启用 systemd <a class="header-anchor" href="#_8-7-wsl2-启用-systemd" aria-label="Permalink to &quot;8.7 WSL2 启用 systemd&quot;">​</a></h2><h3 id="_8-7-1-概述" tabindex="-1">8.7.1 概述 <a class="header-anchor" href="#_8-7-1-概述" aria-label="Permalink to &quot;8.7.1 概述&quot;">​</a></h3><ul><li>根据 <a href="https://systemd.io/" target="_blank" rel="noreferrer">systemd.io</a>：“systemd 是 Linux 系统的基本构建基块套件。 它提供一个系统和服务管理器，该管理器作为 PID 1 运行并启动系统的其余部分。”</li><li>Systemd 主要是一个 init 系统和服务管理器，它包括按需启动守护程序、装载和自动装载点维护、快照支持以及使用 Linux 控制组进行跟踪等功能。</li><li>大多数主要的 Linux 发行版现在都运行 systemd，因此在 WSL 上启用它可使体验更接近于使用裸机 Linux。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>默认情况下，在 WSL2 中，只有 Ubuntu 才会将 systemd 作为 pid-1 的守护进程启动整个 WSL2，而其余的 Linux 的守护进程并不是这样的。</p></div><ul><li>检查进程树，判断 systemd 是否正在运行：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ps</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -o</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> comm=</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 如果显示 systemd ，则表示 systemd 正在运行</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/175.DhVZ6aP-.gif" alt="" loading="lazy"></p><h3 id="_8-7-2-操作步骤" tabindex="-1">8.7.2 操作步骤 <a class="header-anchor" href="#_8-7-2-操作步骤" aria-label="Permalink to &quot;8.7.2 操作步骤&quot;">​</a></h3><ul><li>① 查询 WSL2 的版本，确保 WSL2 的版本为 <code>0.67.6</code> 或更高版本：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"># 如果未满足要求，则使用 wsl --update 更新 WSL2 版本</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">wsl</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --version</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 在 win 中的 cmd 或 PowerShell</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p><img src="/c/assets/176.CUl5g8VJ.png" alt="" loading="lazy"></p><ul><li>② 向 <code>/etc/wsl.conf</code> 配置文件中写入以下内容：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">cat</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &lt;&lt;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">EOF</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> tee</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /etc/wsl.conf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> https://github.com/microsoft/WSL2-Linux-Kernel.git</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><img src="/c/assets/162.B1eB55rC.gif" alt="" loading="lazy"></p><ul><li>编译内核代码：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">cd</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> WSL2-Linux-Kernel</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -j</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">nproc</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">KCONFIG_CONFIG=Microsoft/config-wsl</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/163.VIcU-hkN.gif" alt="" loading="lazy"></p><ul><li>编译 perf 工具：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">cd</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> tools/perf</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> clean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> &amp;&amp; </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">make</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/164.BM9viRZJ.gif" alt="" loading="lazy"></p><ul><li>复制到 PATH 变量所指向的路径中：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">cp</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> perf</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /usr/bin/</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/165.DpMBA1SK.gif" alt="" loading="lazy"></p><h3 id="_8-4-3-整合" tabindex="-1">8.4.3 整合 <a class="header-anchor" href="#_8-4-3-整合" aria-label="Permalink to &quot;8.4.3 整合&quot;">​</a></h3><ul><li>CLion 中配置 perf 的路径：</li></ul><p><img src="/c/assets/166.DgXuU6LF.png" alt="" loading="lazy"></p><ul><li>在 CLion 中通过 perf 运行代码：</li></ul><p><img src="/c/assets/167.Dnw73s2h.gif" alt="" loading="lazy"></p><h2 id="_8-5-win-中文乱码问题" tabindex="-1">8.5 Win 中文乱码问题 <a class="header-anchor" href="#_8-5-win-中文乱码问题" aria-label="Permalink to &quot;8.5 Win 中文乱码问题&quot;">​</a></h2><ul><li>前文，我们提及到，在 Win 中，如果出现<code>中文乱码</code>问题，就需要去<code>语言和区别</code>设置<code>系统区域</code>的编码为 UTF-8 ；但是，这样可能会造成其它的软件出现中文乱码问题，如：Xshell 等。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① 之所以，修改系统的编码为 UTF-8 会出现问题，是因为早期的 Win 系统的中文默认编码是 GBK（目前也是，Win 并没有强制第三方软件使用 UTF-8 编码） ，而 Xshell 等也使用的这些编码，一旦我们修改为 UTF-8 之后，可能会造成这些第三方软件出现中文乱码问题（第三方软件适配问题，相信将来应该都会切换为 UTF-8 编码），体验较差！！！</li><li>② 在 Linux 或 MacOS 之所以不会出现中文乱码的问题，是因为这些系统默认的编码就是 UTF-8 。</li></ul></div><ul><li>其实，还有一种解决方案，如下所示：</li></ul><p><img src="/c/assets/168.SnFXRSaL.png" alt="" loading="lazy"></p><p><img src="/c/assets/169.DnoEqOjV.png" alt="" loading="lazy"></p><p><img src="/c/assets/170.BJBdn7pw.png" alt="" loading="lazy"></p><ul><li>测试一下，是否配置成功：</li></ul><p><img src="/c/assets/171.DXtQWYsM.gif" alt="" loading="lazy"></p><h2 id="_8-6-clion-中自动导入头文件" tabindex="-1">8.6 CLion 中自动导入头文件 <a class="header-anchor" href="#_8-6-clion-中自动导入头文件" aria-label="Permalink to &quot;8.6 CLion 中自动导入头文件&quot;">​</a></h2><ul><li>在 CLion 中，最为强大的功能就是直接输入函数，然后让 IDE 帮我们自动导入头文件，包括自定义的头文件，相当实用。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① CLion 中的<code>自动导入头文件</code>的<code>快捷键</code>是 <code>Alt + Enter</code> 。</li><li>② CLion 中的<code>自动提取变量的类型</code>的<code>快捷键</code>是 <code>Ctrl + Alt + V</code> 。</li></ul></div><p><img src="/c/assets/172.hcERTQkN.gif" alt="" loading="lazy"></p><ul><li>开启自动导入头文件的步骤，如下所示：</li></ul><p><img src="/c/assets/173.CioraEUv.png" alt="" loading="lazy"></p><p><img src="/c/assets/174.kWHWwnc_.png" alt="" loading="lazy"></p><h2 id="_8-7-wsl2-启用-systemd" tabindex="-1">8.7 WSL2 启用 systemd <a class="header-anchor" href="#_8-7-wsl2-启用-systemd" aria-label="Permalink to &quot;8.7 WSL2 启用 systemd&quot;">​</a></h2><h3 id="_8-7-1-概述" tabindex="-1">8.7.1 概述 <a class="header-anchor" href="#_8-7-1-概述" aria-label="Permalink to &quot;8.7.1 概述&quot;">​</a></h3><ul><li>根据 <a href="https://systemd.io/" target="_blank" rel="noreferrer">systemd.io</a>：“systemd 是 Linux 系统的基本构建基块套件。 它提供一个系统和服务管理器，该管理器作为 PID 1 运行并启动系统的其余部分。”</li><li>Systemd 主要是一个 init 系统和服务管理器，它包括按需启动守护程序、装载和自动装载点维护、快照支持以及使用 Linux 控制组进行跟踪等功能。</li><li>大多数主要的 Linux 发行版现在都运行 systemd，因此在 WSL2 上启用它可使体验更接近于使用裸机 Linux。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① 默认情况下，在 WSL2 中，只有 Ubuntu 才会将 systemd 作为 pid-1 的守护进程。</li><li>② 但是，基于 WSL2 为内核的其余 Linux 发行版本并非将 systemd 作为 pid-1 的守护进程。</li><li>③ 本次以 AlmaLinux9 作为演示！！！</li></ul></div><ul><li>检查进程树，判断 systemd 是否正在运行：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ps</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -o</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> comm=</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 如果显示 systemd ，则表示 systemd 正在运行</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/175.DhVZ6aP-.gif" alt="" loading="lazy"></p><h3 id="_8-7-2-操作步骤" tabindex="-1">8.7.2 操作步骤 <a class="header-anchor" href="#_8-7-2-操作步骤" aria-label="Permalink to &quot;8.7.2 操作步骤&quot;">​</a></h3><ul><li>① 查询 WSL2 的版本，确保 WSL2 的版本为 <code>0.67.6</code> 或更高版本：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"># 如果未满足要求，则使用 wsl --update 更新 WSL2 版本</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">wsl</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --version</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 在 win 中的 cmd 或 PowerShell 执行该命令</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p><img src="/c/assets/176.CUl5g8VJ.png" alt="" loading="lazy"></p><ul><li>② 向 <code>/etc/wsl.conf</code> 配置文件中写入以下内容：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">cat</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &lt;&lt;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">EOF</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> tee</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /etc/wsl.conf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">[boot]</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">systemd=true</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">EOF</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><img src="/c/assets/177.FJeffiE3.gif" alt="" loading="lazy"></p><ul><li>③ 重启 WSL 实例：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">wsl</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --shutdown</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 在 win 中的 cmd 或 PowerShell</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/178.Bee0LcNX.gif" alt="" loading="lazy"></p><ul><li>④ 查看是否启用成功：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ps</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -o</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> comm=</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/179.BDqd1eDo.png" alt="" loading="lazy"></p></div></div></main><footer class="VPDocFooter" data-v-39a288b8 data-v-e257564d><!--[--><!--]--><div class="edit-info" data-v-e257564d><!----><div class="last-updated" data-v-e257564d><p class="VPLastUpdated" data-v-e257564d data-v-e98dd255>上次更新: <time datetime="2024-08-26T08:20:32.000Z" data-v-e98dd255></time></p></div></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-e257564d><span class="visually-hidden" id="doc-footer-aria-label" data-v-e257564d>Pager</span><div class="pager" data-v-e257564d><a class="VPLink link pager-link prev" href="/c/notes/01_c-basic/00_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>上一篇</span><span class="title" data-v-e257564d>编程基础</span><!--]--></a></div><div class="pager" data-v-e257564d><a class="VPLink link pager-link next" href="/c/notes/01_c-basic/02_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>下一篇</span><span class="title" data-v-e257564d>变量和进制</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-5d98c3a5 data-v-e315a0ad><div class="container" data-v-e315a0ad><p class="message" data-v-e315a0ad>Released under the MIT License.</p><p class="copyright" data-v-e315a0ad>Copyright © 2024 许大仙</p></div></footer><!--[--><!--]--></div></div>
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<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">EOF</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><img src="/c/assets/177.FJeffiE3.gif" alt="" loading="lazy"></p><ul><li>③ 重启 WSL 实例：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">wsl</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --shutdown</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> # 在 win 中的 cmd 或 PowerShell 执行该命令</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/178.Bee0LcNX.gif" alt="" loading="lazy"></p><ul><li>④ 查看是否启用成功：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ps</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -o</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> comm=</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/179.BDqd1eDo.png" alt="" loading="lazy"></p></div></div></main><footer class="VPDocFooter" data-v-39a288b8 data-v-e257564d><!--[--><!--]--><div class="edit-info" data-v-e257564d><!----><div class="last-updated" data-v-e257564d><p class="VPLastUpdated" data-v-e257564d data-v-e98dd255>上次更新: <time datetime="2024-08-26T08:26:35.000Z" data-v-e98dd255></time></p></div></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-e257564d><span class="visually-hidden" id="doc-footer-aria-label" data-v-e257564d>Pager</span><div class="pager" data-v-e257564d><a class="VPLink link pager-link prev" href="/c/notes/01_c-basic/00_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>上一篇</span><span class="title" data-v-e257564d>编程基础</span><!--]--></a></div><div class="pager" data-v-e257564d><a class="VPLink link pager-link next" href="/c/notes/01_c-basic/02_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>下一篇</span><span class="title" data-v-e257564d>变量和进制</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-5d98c3a5 data-v-e315a0ad><div class="container" data-v-e315a0ad><p class="message" data-v-e315a0ad>Released under the MIT License.</p><p class="copyright" data-v-e315a0ad>Copyright © 2024 许大仙</p></div></footer><!--[--><!--]--></div></div>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br></div></div><ul><li>其实，C 语言的底层逻辑很简单，C 语言压根不关心你定义的是有符号数还是无符号数，它只关心内存（如果定义的是有符号数，那就按照有符号数的规则来存储；如果定义的是无符号数，那就按照无符号数的规则来存储）。换言之，有符号数可以按照无符号数的规则来输出，无符号数也可以按照有符号数的规则来输出，至于输出结果对不对，那是程序员的事情，和 C 语言没有任何关系。</li></ul><div class="important custom-block github-alert"><p class="custom-block-title">IMPORTANT</p><p></p><ul><li>① 实际开发中，<code>printf</code> 函数中的常量、变量或表达式，需要和格式占位符一一对应；否则，将会出现数据错误的现象。</li><li>② 正因为上述的原因，很多现代化的编程语言，如：Java 等，直接取消了无符号的概念。但是，很多数据库是使用 C 语言开发的，如：MySQL 等，就提供了创建数据表的字段为无符号类型的功能，即：<code>UNSIGNED</code>（正整数） ，不要感觉困惑！！！</li><li>③ 对于 <code>1000 0000 …… 0000 0000</code> 这个特殊的补码，无法按照上述的方法转换为原码，所以计算机直接规定这个补码对应的值就是 <code>-2³¹</code>，至于为什么，下节我们会详细分析。</li></ul></div></div></div></main><footer class="VPDocFooter" data-v-39a288b8 data-v-e257564d><!--[--><!--]--><div class="edit-info" data-v-e257564d><!----><div class="last-updated" data-v-e257564d><p class="VPLastUpdated" data-v-e257564d data-v-e98dd255>上次更新: <time datetime="2024-08-26T06:06:37.000Z" data-v-e98dd255></time></p></div></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-e257564d><span class="visually-hidden" id="doc-footer-aria-label" data-v-e257564d>Pager</span><div class="pager" data-v-e257564d><a class="VPLink link pager-link prev" href="/c/notes/01_c-basic/01_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>上一篇</span><span class="title" data-v-e257564d>C 语言入门</span><!--]--></a></div><div class="pager" data-v-e257564d><a class="VPLink link pager-link next" href="/c/notes/01_c-basic/03_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>下一篇</span><span class="title" data-v-e257564d>数据类型和运算符</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-5d98c3a5 data-v-e315a0ad><div class="container" data-v-e315a0ad><p class="message" data-v-e315a0ad>Released under the MIT License.</p><p class="copyright" data-v-e315a0ad>Copyright © 2024 许大仙</p></div></footer><!--[--><!--]--></div></div>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h2 id="_2-8-运算符优先级" tabindex="-1">2.8 运算符优先级 <a class="header-anchor" href="#_2-8-运算符优先级" aria-label="Permalink to &quot;2.8 运算符优先级&quot;">​</a></h2><ul><li>C 语言中运算符的优先级，如下所示：</li></ul><table tabindex="0"><thead><tr><th><strong>优先级</strong></th><th><strong>运算符</strong></th><th><strong>名称或含义</strong></th><th><strong>结合方向</strong></th></tr></thead><tbody><tr><td><strong>1</strong></td><td><code>[]</code></td><td>数组下标</td><td>➡️（从左到右）</td></tr><tr><td></td><td><code>()</code></td><td>圆括号</td><td></td></tr><tr><td></td><td><code>.</code></td><td>成员选择（对象）</td><td></td></tr><tr><td></td><td><code>-&gt;</code></td><td>成员选择（指针）</td><td></td></tr><tr><td><strong>2</strong></td><td><code>-</code></td><td>负号运算符</td><td>⬅️（从右到左）</td></tr><tr><td></td><td><code>（类型）</code></td><td>强制类型转换</td><td></td></tr><tr><td></td><td><code>++</code></td><td>自增运算符</td><td></td></tr><tr><td></td><td><code>--</code></td><td>自减运算符</td><td></td></tr><tr><td></td><td><code>*</code></td><td>取值运算符</td><td></td></tr><tr><td></td><td><code>&amp;</code></td><td>取地址运算符</td><td></td></tr><tr><td></td><td><code>!</code></td><td>逻辑非运算符</td><td></td></tr><tr><td></td><td><code>~</code></td><td>按位取反运算符</td><td></td></tr><tr><td></td><td><code>sizeof</code></td><td>长度运算符</td><td></td></tr><tr><td><strong>3</strong></td><td><code>/</code></td><td>除</td><td>➡️（从左到右）</td></tr><tr><td></td><td><code>*</code></td><td>乘</td><td></td></tr><tr><td></td><td><code>%</code></td><td>余数（取模）</td><td></td></tr><tr><td><strong>4</strong></td><td><code>+</code></td><td>加</td><td>➡️（从左到右）</td></tr><tr><td></td><td><code>-</code></td><td>减</td><td></td></tr><tr><td><strong>5</strong></td><td><code>&lt;&lt;</code></td><td>左移</td><td>➡️（从左到右）</td></tr><tr><td></td><td><code>&gt;&gt;</code></td><td>右移</td><td></td></tr><tr><td><strong>6</strong></td><td><code>&gt;</code></td><td>大于</td><td>➡️（从左到右）</td></tr><tr><td></td><td><code>&gt;=</code></td><td>大于等于</td><td></td></tr><tr><td></td><td><code>&lt;</code></td><td>小于</td><td></td></tr><tr><td></td><td><code>&lt;=</code></td><td>小于等于</td><td></td></tr><tr><td><strong>7</strong></td><td><code>==</code></td><td>等于</td><td>➡️（从左到右）</td></tr><tr><td></td><td><code>!=</code></td><td>不等于</td><td></td></tr><tr><td><strong>8</strong></td><td><code>&amp;</code></td><td>按位与</td><td>➡️（从左到右）</td></tr><tr><td><strong>9</strong></td><td><code>^</code></td><td>按位异或</td><td>➡️（从左到右）</td></tr><tr><td><strong>10</strong></td><td><code>|</code></td><td>按位或</td><td>➡️（从左到右）</td></tr><tr><td><strong>11</strong></td><td><code>&amp;&amp;</code></td><td>逻辑与</td><td>➡️（从左到右）</td></tr><tr><td><strong>12</strong></td><td><code>||</code></td><td>逻辑或</td><td>➡️（从左到右）</td></tr><tr><td><strong>13</strong></td><td><code>?:</code></td><td>条件运算符</td><td>⬅️（从右到左）</td></tr><tr><td><strong>14</strong></td><td><code>=</code></td><td>赋值运算符</td><td>⬅️（从右到左）</td></tr><tr><td></td><td><code>/=</code></td><td>除后赋值</td><td></td></tr><tr><td></td><td><code>*=</code></td><td>乘后赋值</td><td></td></tr><tr><td></td><td><code>%=</code></td><td>取模后赋值</td><td></td></tr><tr><td></td><td><code>+=</code></td><td>加后赋值</td><td></td></tr><tr><td></td><td><code>-=</code></td><td>减后赋值</td><td></td></tr><tr><td></td><td><code>&lt;&lt;=</code></td><td>左移后赋值</td><td></td></tr><tr><td></td><td><code>&gt;&gt;=</code></td><td>右移后赋值</td><td></td></tr><tr><td></td><td><code>&amp;=</code></td><td>按位与后赋值</td><td></td></tr><tr><td></td><td><code>^=</code></td><td>按位异或后赋值</td><td></td></tr><tr><td></td><td><code>|=</code></td><td>按位或后赋值</td><td></td></tr><tr><td><strong>15</strong></td><td><code>,</code></td><td>逗号运算符</td><td>➡️（从左到右）</td></tr></tbody></table><div class="warning custom-block github-alert"><p class="custom-block-title">WARNING</p><p></p><ul><li>① 不要过多的依赖运算符的优先级来控制表达式的执行顺序，这样可读性太差，尽量<code>使用小括号来控制</code>表达式的执行顺序。</li><li>② 不要把一个表达式写得过于复杂，如果一个表达式过于复杂，则把它<code>分成几步</code>来完成。</li><li>③ 运算符优先级不用刻意地去记忆，总体上：一元运算符 &gt; 算术运算符 &gt; 关系运算符 &gt; 逻辑运算符 &gt; 三元运算符 &gt; 赋值运算符。</li></ul></div><h1 id="第三章-附录" tabindex="-1">第三章：附录 <a class="header-anchor" href="#第三章-附录" aria-label="Permalink to &quot;第三章：附录&quot;">​</a></h1><h2 id="_3-1-字符集和字符集编码" tabindex="-1">3.1 字符集和字符集编码 <a class="header-anchor" href="#_3-1-字符集和字符集编码" aria-label="Permalink to &quot;3.1 字符集和字符集编码&quot;">​</a></h2><h3 id="_3-3-1-概述" tabindex="-1">3.3.1 概述 <a class="header-anchor" href="#_3-3-1-概述" aria-label="Permalink to &quot;3.3.1 概述&quot;">​</a></h3><ul><li>字符集和字符集编码（简称编码）计算机系统中处理文本数据的两个基本概念，它们密切相关但又有区别。</li><li>字符集（Character Set）是一组字符的集合，其中每个字符都被分配了一个<code>唯一的编号</code>（通常是数字）。字符可以是字母、数字、符号、控制代码（如换行符）等。<code>字符集定义了可以表示的字符的范围</code>，但它并不直接定义如何将这些字符存储在计算机中。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>ASCII（美国信息交换标准代码）是最早期和最简单的字符集之一，它只包括了英文字母、数字和一些特殊字符，共 128 个字符。每个字符都分配给了一个从 0 到 127 的数字。</p></div><ul><li>字符集编码（Character Encoding，简称编码）是一种方案或方法，<code>它定义了如何将字符集中的字符转换为计算机存储和传输的数据（通常是一串二进制数字）</code>。简而言之，编码是字符到二进制数据之间的映射规则。</li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p>ASCII 编码方案定义了如何将 ASCII 字符集中的每个字符表示为 7 位的二进制数字。例如：大写字母<code>&#39;A&#39;</code>在 ASCII 编码中表示为二进制的<code>1000001</code>，十进制的 <code>65</code> 。</p></div><ul><li><code>字符集</code>和<code>字符集编码</code>之间的关系如下：</li></ul><p><img src="/c/assets/35.CGTVELeO.png" alt="" loading="lazy"></p><ul><li>Linux 中安装帮助手册：</li></ul><p><img src="/c/assets/36.Bz4_lEH0.gif" alt="" loading="lazy"></p><h3 id="_3-3-2-ascii-编码" tabindex="-1">3.3.2 ASCII 编码 <a class="header-anchor" href="#_3-3-2-ascii-编码" aria-label="Permalink to &quot;3.3.2 ASCII 编码&quot;">​</a></h3><ul><li>从<code>冯·诺依曼</code>体系结构中，我们知道，计算机中所有的<code>数据</code>和<code>指令</code>都是以<code>二进制</code>的形式表示的；所以，计算机中对于文本数据的数据也是以二进制来存储的，那么对应的流程如下：</li></ul><p><img src="/c/assets/37.CcDWE4nn.png" alt="" loading="lazy"></p><ul><li>我们知道，计算机是上个世纪 60 年代在美国研制成功的，为了实现字符和二进制的转换，美国就制定了一套字符编码，即英语字符和二进制位之间的关系，即 ASCII （American Standard Code for Information Interchange）编码： <ul><li>ASCII 编码只包括了英文字符、数字和一些特殊字符，一共 128 个字符，并且每个字符都分配了唯一的数字，范围是 0 - 127。</li><li>ASCII 编码中的每个字符都使用 7 位的二进制数字表示；但是，计算机中的存储的最小单位是 1 B = 8 位，那么最高位统一规定为 0 。</li></ul></li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① 其实，早期是没有字符集的概念的，只是后来为了解决乱码问题，而产生了字符集的概念。</li><li>② 对于英文体系来说，<code>a-zA-Z0-9</code>以及一些<code>特殊字符</code>一共 <code>128</code> 就可以满足实际存储需求；所以，在也是为什么 ASCII 码使用 7 位二进制（2^7 = 128 ）来存储的。</li></ul></div><ul><li>在操作系统中，就内置了对应的编码表，Linux 也不例外；可以使用如下的命令查看：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">man</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> ascii</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/38.B7y2_JVX.gif" alt="" loading="lazy"></p><ul><li>其对应的 ASCII 编码表，如下所示：</li></ul><p><img src="/c/assets/39.Btcc3rs2.gif" alt="" loading="lazy"></p><ul><li>但是，随着计算机的发展，计算机开始了东征之路，由美国传播到东方：</li></ul><p><img src="/c/assets/40.CR4ARW8y.png" alt="" loading="lazy"></p><ul><li>先是传播到了欧洲，欧洲在兼容 ASCII 编码的基础上，推出了 ISO8859-1 编码，即： <ul><li>ISO8859-1 编码包括基本的拉丁字母表、数字、标点符号，以及西欧语言中特有的一些字符，如：法语中的 <code>è</code>、德语中的 <code>ü</code> 等。</li><li>ISO 8859-1 为每个字符分配一个单字节（8 位）编码，意味着它可以表示最多 256 （2^8）个不同的字符（编号从 0 到 255）。</li><li>ISO 8859-1 的前 128 个字符与 ASCII 编码完全一致，这使得 ASCII 编码的文本可以无缝转换为 ISO 8859-1 编码。</li></ul></li></ul><p><img src="/c/assets/39.Btcc3rs2.gif" alt="" loading="lazy"></p><p><img src="/c/assets/42.DOX3ymYP.gif" alt="" loading="lazy"></p><ul><li>计算机继续传播到了亚洲，亚洲（双字节）各个国家分别给出了自己国家对应的字符集编码，如： <ul><li>日本推出了 Shift-JIS 编码： <ul><li>单字节 ASCII 范围：0 - 127。</li><li>双字节范围： <ul><li>第一个字节：129 - 159 和 224 - 239 。</li><li>第二个字节：64 - 126 和 128 - 252 。</li></ul></li></ul></li><li>韩国推出了 EUC-KR 编码： <ul><li>单字节 ASCII 范围：0 - 127。</li><li>双字节范围：从 41281 - 65278。</li></ul></li><li>中国推出了 GBK 编码： <ul><li>单字节 ASCII 范围：0 - 127。</li><li>双字节范围：33088 - 65278 。</li></ul></li></ul></li></ul><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><ul><li>① 通过上面日本、韩国、中国的编码十进制范围，我们可以看到，虽然这些编码系统在技术上的编码范围存在重叠（特别是在高位字节区域），但因为它们各自支持的字符集完全不同，所以实际上它们并不直接冲突。</li><li>② 但是，如果一个中国人通过 GBK 编码写的文章，通过邮件发送给韩国人，因为韩国和中国在字符集编码上的高位字节有重叠部分，必然会造成歧义。</li></ul></div><h3 id="_3-3-3-unicode-编码" tabindex="-1">3.3.3 Unicode 编码 <a class="header-anchor" href="#_3-3-3-unicode-编码" aria-label="Permalink to &quot;3.3.3 Unicode 编码&quot;">​</a></h3><ul><li><p>在 Unicode 之前，世界上存在着数百种不同的编码系统，每一种编码系统都是为了支持特定语言或一组语言的字符集。这些编码系统，包括：ASCII、ISO 8859 系列、GBK、Shift-JIS、EUC-KR 等，它们各自有不同的字符范围和编码方式。这种多样性虽然在局部范围内解决了字符表示的问题，但也带来了以下几个方面的挑战：</p><ul><li><code>编码冲突</code>：由于不同的编码系统可以为相同的字节值分配不同的字符，因此在不同编码之间转换文本时，如果没有正确处理编码信息，就很容易产生乱码。这种编码冲突在尝试处理多种语言的文本时尤为突出。</li><li><code>编码的复杂性</code>：随着全球化的发展，软件和系统需要支持越来越多的语言，这就要求开发者和系统同时处理多种不同的编码系统。这不仅增加了开发和维护的复杂性，而且也增加了出错的风险。</li><li><code>资源限制</code>：在早期计算机技术中，内存和存储资源相对有限。不同的编码标准要求系统存储多套字符集数据，这无疑增加了对有限资源的消耗。</li><li>……</li></ul></li><li><p>针对上述的种种问题，为了推行全球化，Unicode 应运而生，Unicode 的核心规则和设计原则是建立一个全球统一的字符集，使得世界上所有的文字和符号都能被唯一地识别和使用，无论使用者位于何地或使用何种语言。这套规则包括了字符的编码、表示、处理和转换机制，旨在确保不同系统和软件间能够无缝交换和处理文本数据。</p><ul><li><code>通用字符集 (UCS)</code>：Unicode 为每一个字符分配一个唯一的编号（称为<code>“码点”</code>）。这些码点被组织在一个统一的字符集中，官方称之为 “通用字符集”（Universal Character Set，UCS）。码点通常表示为 <code>U+</code> 后跟一个十六进制数，例如：<code>U+0041</code> 代表大写的英文字母 <code>“A”</code>。</li><li><code>编码平面和区段</code>：Unicode 码点被划分为多个 “平面（Planes）”，每个平面包含 65536（16^4）个码点。目前，Unicode定义了 17 个平面（从 0 到16），每个平面被分配了一个编号，从 “基本多文种平面（BMP）” 的 0 开始，到 16 号平面结束。这意味着 Unicode 理论上可以支持超过 110万（17*65536）个码点。</li></ul></li><li><p>Unicode 仅仅只是字符集，给每个字符设置了唯一的数字编号而已，却没有给出这些数字编号实际如何存储，可以通过如下命令查看：</p></li></ul><p><img src="/c/assets/43.Cie9_tkP.gif" alt="" loading="lazy"></p><ul><li>为了在计算机系统中表示 Unicode 字符，定义了几种编码方案，这些方案包括 UTF-8、UTF-16 和 UTF-32 等。 <ul><li><strong>UTF-8</strong>：使用 1 - 4 个字节表示每个 Unicode 字符，兼容 ASCII，是网络上最常用的编码。</li><li><strong>UTF-16</strong>：使用 2 - 4 个字节表示每个 Unicode 字符，适合于需要经常处理基本多文种平面之外字符的应用。</li><li><strong>UTF-32</strong>：使用固定的 4 个字节表示每个 Unicode 字符，简化了字符处理，但增加了存储空间的需求。</li></ul></li><li><code>Unicode 字符集</code>和对应的<code>UTF-8 字符编码</code>之间的关系，如下所示：</li></ul><p><img src="/c/assets/44.DLjH9Ges.png" alt="" loading="lazy"></p><h2 id="_3-2-wsl2-中设置默认编码为中文" tabindex="-1">3.2 WSL2 中设置默认编码为中文 <a class="header-anchor" href="#_3-2-wsl2-中设置默认编码为中文" aria-label="Permalink to &quot;3.2 WSL2 中设置默认编码为中文&quot;">​</a></h2><h3 id="_3-2-1-概述" tabindex="-1">3.2.1 概述 <a class="header-anchor" href="#_3-2-1-概述" aria-label="Permalink to &quot;3.2.1 概述&quot;">​</a></h3><ul><li>查看 WSL2 的 Linux 发行版的默认编码：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">echo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $LANG</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/45.DhSh546m.gif" alt="" loading="lazy"></p><div class="note custom-block github-alert"><p class="custom-block-title">NOTE</p><p></p><p><code>C.UTF-8</code> 是一种字符编码设置，结合了 <code>C</code> 区域设定和 <code>UTF-8</code> 字符编码。</p><ul><li>① <strong>C 区域设定</strong>：这是一个标准的、最小化的区域设置，通常用于系统默认的语言环境。<code>C</code> 区域设定下，所有字符都被认为是 ASCII 字符集的一部分，这意味着仅支持基本的英文字符和符号。在 <code>C</code> 区域设定中，字符串的排序和比较是基于简单的二进制值比较，这与本地化的语言设置相比相对简单。</li><li>② <strong>UTF-8 编码</strong>：UTF-8 是一种变长的字符编码方式，可以编码所有的 Unicode 字符。它是一种广泛使用的字符编码，能够支持多种语言和符号。每个 UTF-8 字符可以由1到4个字节表示，这使得它兼容 ASCII（对于标准 ASCII 字符，UTF-8 只使用一个字节）。</li></ul><p>因此，<code>C.UTF-8</code> 结合了 <code>C</code> 区域设定和 UTF-8 字符编码的优势。使用 <code>C.UTF-8</code> 时，系统默认语言环境保持简单和高效，同时支持更广泛的字符集，特别是多语言和非英语字符。这样可以在需要兼容性的同时，提供对全球化字符的支持。</p></div><h3 id="_3-2-2-almalinux9-设置默认编码" tabindex="-1">3.2.2 AlmaLinux9 设置默认编码 <a class="header-anchor" href="#_3-2-2-almalinux9-设置默认编码" aria-label="Permalink to &quot;3.2.2 AlmaLinux9 设置默认编码&quot;">​</a></h3><ul><li>① 搜索中文语言包：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">dnf</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> search</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> locale</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> zh</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/46.CCFwxiA0.gif" alt="" loading="lazy"></p><ul><li>② 安装中文语言包：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">dnf</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -y</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> install</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> glibc-langpack-zh</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/47.DCdP5ufU.gif" alt="" loading="lazy"></p><ul><li>③ 切换语言环境为中文：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">localectl</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> set-locale</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> LANG=zh_CN.UTF-8</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/48.CjdgNuy4.gif" alt="" loading="lazy"></p><ul><li>④ 手动加载配置文件，使其生效：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">source</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /etc/locale.conf</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/49.Bg9sWT0a.gif" alt="" loading="lazy"></p><h3 id="_3-2-3-ubuntu-22-04-设置默认编码" tabindex="-1">3.2.3 Ubuntu 22.04 设置默认编码 <a class="header-anchor" href="#_3-2-3-ubuntu-22-04-设置默认编码" aria-label="Permalink to &quot;3.2.3 Ubuntu 22.04 设置默认编码&quot;">​</a></h3><ul><li>① 安装中文语言包：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">sudo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> apt</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> update</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -y</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> &amp;&amp; </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">apt</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> install</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> language-pack-zh-hans</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -y</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/50.Ma73wRvf.gif" alt="" loading="lazy"></p><ul><li>② 切换环境为中文：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">update-locale</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> LANG=zh_CN.UTF-8</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> LANGUAGE=zh_CN:zh</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/51.rJLsU7Sw.gif" alt="" loading="lazy"></p><ul><li>③ 手动加载配置文件，使其生效：</li></ul><div class="language-shell vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">source</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> /etc/default/locale</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p><img src="/c/assets/52.hwwW_QQc.gif" alt="" loading="lazy"></p></div></div></main><footer class="VPDocFooter" data-v-39a288b8 data-v-e257564d><!--[--><!--]--><div class="edit-info" data-v-e257564d><!----><div class="last-updated" data-v-e257564d><p class="VPLastUpdated" data-v-e257564d data-v-e98dd255>上次更新: <time datetime="2024-08-26T08:18:00.000Z" data-v-e98dd255></time></p></div></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-e257564d><span class="visually-hidden" id="doc-footer-aria-label" data-v-e257564d>Pager</span><div class="pager" data-v-e257564d><a class="VPLink link pager-link prev" href="/c/notes/01_c-basic/02_xdx/" data-v-e257564d><!--[--><span class="desc" 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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br></div></div></div></div></main><footer class="VPDocFooter" data-v-39a288b8 data-v-e257564d><!--[--><!--]--><div class="edit-info" data-v-e257564d><!----><div class="last-updated" data-v-e257564d><p class="VPLastUpdated" data-v-e257564d data-v-e98dd255>上次更新: <time datetime="2024-08-06T08:32:38.000Z" data-v-e98dd255></time></p></div></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-e257564d><span class="visually-hidden" id="doc-footer-aria-label" data-v-e257564d>Pager</span><div class="pager" data-v-e257564d><a class="VPLink link pager-link prev" href="/c/notes/01_c-basic/03_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>上一篇</span><span class="title" data-v-e257564d>数据类型和运算符</span><!--]--></a></div><div class="pager" data-v-e257564d><a class="VPLink link pager-link next" href="/c/notes/01_c-basic/05_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>下一篇</span><span class="title" data-v-e257564d>数组</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-5d98c3a5 data-v-e315a0ad><div class="container" data-v-e315a0ad><p class="message" data-v-e315a0ad>Released under the MIT License.</p><p class="copyright" data-v-e315a0ad>Copyright © 2024 许大仙</p></div></footer><!--[--><!--]--></div></div>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br></div></div><div class="warning custom-block github-alert"><p class="custom-block-title">WARNING</p><p></p><p>在上述示例中，<code>arr</code> 和 <code>&amp;arr</code> 的值是一样的，但是对应的含义是不同的。</p><ul><li>① <code>arr</code> 是数组名，在大多数情况下会转换为数组第一个元素的地址，即：<code>arr</code> 等价于 <code>&amp;arr[0]</code>，其数据类型是 <code>int *</code>。</li><li>② <code>&amp;arr</code>是数组名的地址，即整个数组的地址，它指向数组本身，并不是数组第一个元素的地址，<code>&amp;arr</code> 的数据类型是 <code>int(*)[3]</code>。</li></ul></div></div></div></main><footer class="VPDocFooter" data-v-39a288b8 data-v-e257564d><!--[--><!--]--><div class="edit-info" data-v-e257564d><!----><div class="last-updated" data-v-e257564d><p class="VPLastUpdated" data-v-e257564d data-v-e98dd255>上次更新: <time datetime="2024-08-12T02:47:17.000Z" data-v-e98dd255></time></p></div></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-e257564d><span class="visually-hidden" id="doc-footer-aria-label" data-v-e257564d>Pager</span><div class="pager" data-v-e257564d><a class="VPLink link pager-link prev" href="/c/notes/01_c-basic/04_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>上一篇</span><span class="title" data-v-e257564d>流程控制</span><!--]--></a></div><div class="pager" data-v-e257564d><a class="VPLink link pager-link next" href="/c/notes/01_c-basic/06_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>下一篇</span><span class="title" data-v-e257564d>指针</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-5d98c3a5 data-v-e315a0ad><div class="container" data-v-e315a0ad><p class="message" data-v-e315a0ad>Released under the MIT License.</p><p class="copyright" data-v-e315a0ad>Copyright © 2024 许大仙</p></div></footer><!--[--><!--]--></div></div>
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<span class="line"></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Address of array: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%p\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">arr</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // 返回整个数组的地址</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Address of pointer: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%p\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">ptr</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // 返回指针变量ptr的地址</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li></ol><p>综上所述，通过这些示例和解释，可以看出数组名虽然在某些场合下可以像指针一样使用，但它并不是一个真正的指针变量，而是一个常量，表示数组的首地址。</p></div></div></main><footer class="VPDocFooter" data-v-39a288b8 data-v-e257564d><!--[--><!--]--><div class="edit-info" data-v-e257564d><!----><div class="last-updated" data-v-e257564d><p class="VPLastUpdated" data-v-e257564d data-v-e98dd255>上次更新: <time datetime="2024-08-13T02:39:52.000Z" data-v-e98dd255></time></p></div></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-e257564d><span class="visually-hidden" id="doc-footer-aria-label" data-v-e257564d>Pager</span><div class="pager" data-v-e257564d><a class="VPLink link pager-link prev" href="/c/notes/01_c-basic/05_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>上一篇</span><span class="title" data-v-e257564d>数组</span><!--]--></a></div><div class="pager" data-v-e257564d><a class="VPLink link pager-link next" href="/c/notes/01_c-basic/07_xdx/" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>下一篇</span><span class="title" data-v-e257564d>函数</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-5d98c3a5 data-v-e315a0ad><div class="container" data-v-e315a0ad><p class="message" data-v-e315a0ad>Released under the MIT License.</p><p class="copyright" data-v-e315a0ad>Copyright © 2024 许大仙</p></div></footer><!--[--><!--]--></div></div>
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data-v-b7550ba0>调试工具和调试技巧（gdb和make）</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/01_c-basic/13_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>常用库函数</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h2 class="text" data-v-b7550ba0>C 语言高级</h2><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 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class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><section class="VPSidebarItem level-1 collapsible collapsed" data-v-b7550ba0 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h3 class="text" data-v-b7550ba0>meson</h3><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/03_build/01_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>meson 入门</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1 collapsible collapsed" data-v-b7550ba0 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h3 class="text" data-v-b7550ba0>Cmake</h3><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/03_build/01_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>Cmake 入门</p><!--]--></a><!----></div><!----></div><!--]--></div></section><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/03_build/01_${commonDirectoryName}/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>Conan </p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-1 collapsible collapsed" data-v-b7550ba0 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h3 class="text" data-v-b7550ba0>Gradle</h3><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/03_build/01_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>Gradle 入门</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h2 class="text" data-v-b7550ba0>Linux</h2><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/04_linux/01_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>Linux 初识和安装</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h2 class="text" data-v-b7550ba0>C++ 基础</h2><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/01_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>C++ 入门</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/02_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>变量、数据类型、运算符</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/03_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>流程控制</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/04_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>数组</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/05_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>指针</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/06_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>函数</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/07_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>自定义数据类型</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/08_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>类和对象</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/09_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>C++ 引用</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/10_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>继承和派生</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/11_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>C++ 多态和虚函数</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/12_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>运算符重载</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/13_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>模板</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/14_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>C++ 异常</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/15_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>面向对象进阶</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/16_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>文件操作和 IO 流</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/17_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>STL（标准模板库）</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><div class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><p class="text" data-v-b7550ba0>C++ 高级</p><!----></div><!----></div></div><div class="no-transition group" data-v-c40bc020><div class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><p class="text" data-v-b7550ba0>QT 桌面开发</p><!----></div><!----></div></div><div class="no-transition group" data-v-c40bc020><div class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><p class="text" data-v-b7550ba0>Linux 高并发服务器开发</p><!----></div><!----></div></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-5d98c3a5 data-v-1428d186><div class="VPDoc has-sidebar has-aside" data-v-1428d186 data-v-39a288b8><!--[--><!--]--><div class="container" data-v-39a288b8><div class="aside" data-v-39a288b8><div class="aside-curtain" data-v-39a288b8></div><div class="aside-container" data-v-39a288b8><div class="aside-content" data-v-39a288b8><div class="VPDocAside" data-v-39a288b8 data-v-3f215769><!--[--><!--]--><!--[--><!--]--><nav aria-labelledby="doc-outline-aria-label" class="VPDocAsideOutline" data-v-3f215769 data-v-a5bbad30><div class="content" data-v-a5bbad30><div class="outline-marker" data-v-a5bbad30></div><div aria-level="2" class="outline-title" id="doc-outline-aria-label" role="heading" data-v-a5bbad30>目录</div><ul class="VPDocOutlineItem root" data-v-a5bbad30 data-v-b933a997><!--[--><!--]--></ul></div></nav><!--[--><!--]--><div class="spacer" data-v-3f215769></div><!--[--><!--]--><!----><!--[--><!--]--><!--[--><!--]--></div></div></div></div><div class="content" data-v-39a288b8><div class="content-container" data-v-39a288b8><!--[--><!--]--><main class="main" data-v-39a288b8><div style="position:relative;" class="vp-doc _c_notes_about_" data-v-39a288b8><div><h3 id="后端技术栈" tabindex="-1">后端技术栈 <a class="header-anchor" href="#后端技术栈" aria-label="Permalink to &quot;后端技术栈&quot;">​</a></h3><p><img src="https://img.shields.io/badge/-Spring-6DB33F?logo=Spring&amp;logoColor=FFF" alt="Spring" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Spring%20Boot-6DB33F?logo=Spring-Boot&amp;logoColor=FFF" alt="Spring Boot" style="display:inline-block;">  <img src="https://img.shields.io/badge/-MySQL-4479A1?logo=MySQL&amp;logoColor=FFF" alt="MySQL" style="display:inline-block;">  <img src="https://img.shields.io/badge/-MariaDB-A9A9A9?logo=MariaDB&amp;logoColor=003545" alt="MariaDB" style="display:inline-block;">  <img src="https://img.shields.io/badge/-PostgreSQL-C0C0C0?logo=PostgreSQL&amp;logoColor=4169E1" alt="PostgreSQL" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Oracle-C0C0C0?logo=Oracle&amp;logoColor=F80000" alt="Oracle" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Microsoft%20SQL%20Server-D3D3D3?logo=Microsoft-SQL-Server&amp;logoColor=CC2927" alt="Microsoft SQL Server" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Redis-DC382D?logo=Redis&amp;logoColor=FFF" alt="Redis" style="display:inline-block;">  <img src="https://img.shields.io/badge/-MongoDB-47A248?logo=MongoDB&amp;logoColor=FFF" alt="MongoDB" style="display:inline-block;">  <img src="https://img.shields.io/badge/-RabbitMQ-FF6600?logo=RabbitMQ&amp;logoColor=FFF" alt="RabbitMQ" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Solr-D9411E?logo=Apache-Solr&amp;logoColor=FFF" alt="Solr" style="display:inline-block;">  <img src="https://img.shields.io/badge/-ElasticSearch-005571?logo=ElasticSearch&amp;logoColor=FFF" alt="ElasticSearch" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Logstash-A9A9A9?logo=Logstash&amp;logoColor=005571" alt="Logstash" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Kibana-A9A9A9?logo=Kibana&amp;logoColor=005571" alt="Kibana" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Kafka-C0C0C0?logo=Apache-Kafka&amp;logoColor=231F20" alt="Kafka" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Consul-F24C53?logo=Consul&amp;logoColor=FFF" alt="Consul" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Tomcat-F8DC75?logo=Apache-Tomcat&amp;logoColor=000" alt="Tomcat" style="display:inline-block;">  <img src="https://img.shields.io/badge/-JUnit5-25A162?logo=JUnit5&amp;logoColor=FFF" alt="JUnit5" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Liquibase-2962FF?logo=Liquibase&amp;logoColor=FFF" alt="Liquibase" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Maven-C71A36?logo=Apache-Maven&amp;logoColor=FFF" alt="Maven" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Gradle-D3D3D3?logo=Gradle&amp;logoColor=02303A" alt="Gradle" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Spring%20Security-6DB33F?logo=Spring-Security&amp;logoColor=FFF" alt="Spring Security" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Hibernate-59666C?logo=Hibernate&amp;logoColor=FFF" alt="Hibernate" style="display:inline-block;">  <img src="https://img.shields.io/badge/-JSON-000?logo=JSON&amp;logoColor=FFF" alt="JSON" style="display:inline-block;">  <img src="https://img.shields.io/badge/-JWT-000?logo=JSON-Web-Tokens&amp;logoColor=FFF" alt="JWT" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Java-F78C40?logo=OpenJDK&amp;logoColor=FFF" alt="Java" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Python-A9A9A9?logo=Python&amp;logoColor=3776AB" alt="Python" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Android-C0C0C0?logo=Android&amp;logoColor=3DDC84" alt="Android" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Go-DCDCDC?logo=Go&amp;logoColor=00ADD8" alt="Go" style="display:inline-block;">  <img src="https://img.shields.io/badge/-GraphQL-FFF?logo=GraphQL&amp;logoColor=E10098" alt="GraphQL" style="display:inline-block;">  </p><h3 id="前端技术栈" tabindex="-1">前端技术栈 <a class="header-anchor" href="#前端技术栈" aria-label="Permalink to &quot;前端技术栈&quot;">​</a></h3><p><img src="https://img.shields.io/badge/-Vue3-C0C0C0?logo=Vue.js&amp;logoColor=4FC08D" alt="Vue3" style="display:inline-block;">  <img src="https://img.shields.io/badge/-TypeScript-C0C0C0?logo=TypeScript&amp;logoColor=3178C6" alt="TypeScript" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Ant%20Design-C0C0C0?logo=Ant-Design&amp;logoColor=0170FE" alt="Ant Design" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Node.js-D3D3D3?logo=Node.js&amp;logoColor=339933" alt="Node.js" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Vite-D3D3D3?logo=Vite&amp;logoColor=646CFF" alt="Vite" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Webpack-D3D3D3?logo=Webpack&amp;logoColor=8DD6F9" alt="Webpack" style="display:inline-block;">  <img src="https://img.shields.io/badge/-NPM-C0C0C0?logo=npm&amp;logoColor=CB3837" alt="NPM" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Axios-C0C0C0?logo=Axios&amp;logoColor=5A29E4" alt="Axios" style="display:inline-block;">  <img src="https://img.shields.io/badge/-ESLint-C0C0C0?logo=ESLint&amp;logoColor=4B32C3" alt="ESLint" style="display:inline-block;">  <img src="https://img.shields.io/badge/-jQuery-0769AD?logo=jQuery&amp;logoColor=FFF" alt="jQuery" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Bootstrap-7952B3?logo=Bootstrap&amp;logoColor=FFF" alt="BootStrap" style="display:inline-block;">  <img src="https://img.shields.io/badge/-ECharts-C0C0C0?logo=Apache-ECharts&amp;logoColor=AA344D" alt="ECharts" style="display:inline-block;">  <img src="https://img.shields.io/badge/-JavaScript-A9A9A9?logo=JavaScript&amp;logoColor=F7DF1E" alt="JavaScript" style="display:inline-block;">  <img src="https://img.shields.io/badge/-HTML5-A9A9A9?logo=HTML5&amp;logoColor=E34F26" alt="HTML5" style="display:inline-block;">  <img src="https://img.shields.io/badge/-CSS3-A9A9A9?logo=CSS3&amp;logoColor=1572B6" alt="CSS3" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Tailwind%20CSS-FFF?logo=Tailwind-CSS&amp;logoColor=06B6D4" alt="Tailwind CSS" style="display:inline-block;">  <img src="https://img.shields.io/badge/-Less-D3D3D3?logo=Less&amp;logoColor=1D365D" alt="Less" style="display:inline-block;">  </p><h3 id="devops" tabindex="-1">DevOps <a 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link link" href="/c/notes/01_c-basic/06_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>指针</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/01_c-basic/07_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>函数</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/01_c-basic/08_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>预处理器</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/01_c-basic/09_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>自定义数据类型</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/01_c-basic/10_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>内存管理</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/01_c-basic/11_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>文件操作</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/02_c-basic/13_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>调试工具和调试技巧（gdb和make）</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/01_c-basic/13_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>常用库函数</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h2 class="text" data-v-b7550ba0>C 语言高级</h2><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 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class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/02_c-advance/04_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>链表和回调函数</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/02_c-advance/05_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>编译过程和面向接口</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h2 class="text" data-v-b7550ba0>项目构建工具</h2><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><section class="VPSidebarItem level-1 collapsible collapsed" data-v-b7550ba0 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h3 class="text" data-v-b7550ba0>meson</h3><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/03_build/01_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>meson 入门</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1 collapsible collapsed" data-v-b7550ba0 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h3 class="text" data-v-b7550ba0>Cmake</h3><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/03_build/01_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>Cmake 入门</p><!--]--></a><!----></div><!----></div><!--]--></div></section><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/03_build/01_${commonDirectoryName}/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>Conan </p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-1 collapsible collapsed" data-v-b7550ba0 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h3 class="text" data-v-b7550ba0>Gradle</h3><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/03_build/01_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>Gradle 入门</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h2 class="text" data-v-b7550ba0>Linux</h2><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/04_linux/01_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>Linux 初识和安装</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><h2 class="text" data-v-b7550ba0>C++ 基础</h2><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b7550ba0><span class="vpi-chevron-right caret-icon" data-v-b7550ba0></span></div></div><div class="items" data-v-b7550ba0><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/01_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>C++ 入门</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/02_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>变量、数据类型、运算符</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/03_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>流程控制</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/04_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>数组</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/05_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>指针</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/06_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>函数</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/07_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>自定义数据类型</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/08_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>类和对象</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/09_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>C++ 引用</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/10_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>继承和派生</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/11_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>C++ 多态和虚函数</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/12_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>运算符重载</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/13_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>模板</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/14_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>C++ 异常</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/15_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>面向对象进阶</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/16_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>文件操作和 IO 流</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/c/notes/05_cpp/17_xdx/" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>STL（标准模板库）</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><div class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><p class="text" data-v-b7550ba0>C++ 高级</p><!----></div><!----></div></div><div class="no-transition group" data-v-c40bc020><div class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><p class="text" data-v-b7550ba0>QT 桌面开发</p><!----></div><!----></div></div><div class="no-transition group" data-v-c40bc020><div class="VPSidebarItem level-0 collapsible collapsed" data-v-c40bc020 data-v-b7550ba0><div class="item" role="button" tabindex="0" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><p class="text" data-v-b7550ba0>Linux 高并发服务器开发</p><!----></div><!----></div></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-5d98c3a5 data-v-1428d186><div class="VPDoc has-sidebar has-aside" data-v-1428d186 data-v-39a288b8><!--[--><!--]--><div class="container" data-v-39a288b8><div class="aside" data-v-39a288b8><div 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