129 lines
2.9 KiB
TypeScript
129 lines
2.9 KiB
TypeScript
import { ElMessage } from 'element-plus';
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import clipboard3 from 'vue-clipboard3'
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/**
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* 转义特殊字符
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* str: string: 需处理的字符串
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* reg: string: 需转义的特殊字符
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*
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* @param reg
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*/
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export function transferred(str: string, reg: string = "`~!@#$^&*()=|{}':;',\\[\\].<>/?~！@#￥……&*（）;—|【】‘；：”“'。，、？") {
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let pattern = new RegExp("[" + reg + "]");
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let res = '';
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Array.from(str).forEach((char: any) => {
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res += char.replace(pattern, `\\${char}`);
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});
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return res;
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}
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/**
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* 复制文本
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* @param resStr 文本内容
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* @returns
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*/
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export function copy(resStr: string) {
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try {
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//check
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if (resStr == '') {
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ElMessage({
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message: "无可复制内容",
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type: "warning",
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duration: 1500
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})
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return
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}
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//copy
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const {toClipboard} = clipboard3()
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toClipboard(resStr)
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ElMessage({
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message: "复制成功",
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type: "success",
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duration: 1500
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})
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} catch (error) {
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ElMessage({
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message: "复制失败",
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type: "error",
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duration: 1500
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})
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}
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}
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/**
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* 按指定字符生成随机字符串(场景：生成随机密码)
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*
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* @param char
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* @param length
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* @returns
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*/
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export function genRandomStrByChars(chars: string, length: number): string {
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let password = '';
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for (let i = 0; i < length; i++) {
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const randomIndex = Math.floor(Math.random() * chars.length);
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password += chars[randomIndex];
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}
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return password;
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}
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/**
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* 数字转中文
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* @param num
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* @returns
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*/
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export function numberToChinese(num: number): string {
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// const units = ['', '拾', '佰', '仟', '万', '亿'];
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const units = ['', '拾', '佰', '仟', '万', '拾', '佰', '仟', '亿', '拾', '佰', '仟', '万'];
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const chars = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];
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let numStr = num.toString()
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let len = numStr.length
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if (len > 13) {
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ElMessage({
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message: "金额太大无法转换",
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type: "error",
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duration: 1500
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})
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return ''
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}
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let isZero = false;
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let zeroCount = 0;
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let chinese = ''
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for (let i = 0; i < len; i++) {
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let n = parseInt(numStr[i]);
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if (n === 0) {
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isZero = true;
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zeroCount++;
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} else {
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if (isZero) {
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chinese += chars[0];
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}
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chinese += chars[n] + units[len - i - 1];
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isZero = false;
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zeroCount = 0;
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}
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// debugger
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}
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if (chinese.endsWith(chars[0])) {
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chinese = chinese.substring(0, chinese.length - 1);
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}
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return chinese;
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}
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//rtrim: 删除右侧指定字符， 默认删除空格
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export function rtrim(str, char = ' ') {
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return str.replace(new RegExp('\\'+char+'+$', 'g'), '');
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}
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const StringUtils = {
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transferred,
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copy,
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genRandomStrByChars,
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numberToChinese,
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rtrim,
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}
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export default StringUtils |