feat: 工具：柱状图
This commit is contained in:
osiris
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<script setup lang="ts">
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import {ref, reactive, onMounted } from 'vue'
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import Spreadsheet from 'x-data-spreadsheet'
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import 'x-data-spreadsheet/dist/locale/zh-cn';
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import DetailHeader from '@/components/Layout/DetailHeader/DetailHeader.vue'
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// import { copy } from '@/utils/string'
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import { toEchartsData, toSpreadsheetData } from '@/utils/echarts'
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import * as echarts from 'echarts'
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import * as XLSX from 'xlsx'
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const info = reactive({
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title: "柱状图",
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})
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const chartDom = ref<HTMLElement|null>()
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const myChart = ref<echarts.ECharts>()
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const setOptionName = ref(1)
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//缩放比例
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const sacleSize = ref(100)
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//画布宽高
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const widthCanvas = ref(720)
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const heightCanvas = ref(400)
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//下载文件类型
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const downType = ref('1')
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//图形属性颜色
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const attrColor = ref('#5470c6')
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//标题位置
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const titlePos = ref('center')
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//标题
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const title = ref('然部落在线工具')
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//副标题
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const subTitle = ref('在线图表制作工具')
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//显示标题 - 开关
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const titleSwitch = ref(true)
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//显示副标题 - 开关
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const subTitleSwitch = ref(true)
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/** 水印 */
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const watermarkSwitch = ref(false) //开关
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const waterMarkText = ref('然部落工具');
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//创建水印
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const createWatermark = () => {
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let canvas = document.createElement('canvas');
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let ctx = canvas.getContext('2d');
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canvas.width = canvas.height = 100;
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ctx!.textAlign = 'center';
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ctx!.textBaseline = 'middle';
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ctx!.globalAlpha = 0.08;
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ctx!.font = '20px Microsoft Yahei';
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ctx!.translate(50, 50);
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ctx!.rotate(-Math.PI / 4);
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ctx!.fillText(waterMarkText.value, 0, 0);
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return canvas
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}
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//操作图表
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const canvasHandle = (type) => {
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// let element = document.getElementById('main')
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let element = chartDom.value
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switch(type) {
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case "scale":
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//缩放画布
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let scale = sacleSize.value / 100
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element!.style.transform = `scale(${scale})`
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break
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case "size":
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//图表尺寸
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element!.style.width = widthCanvas.value + 'px';
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element!.style.height = heightCanvas.value + 'px';
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reloadCanvas()
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break
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case "title":
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let fakerTitle = ''
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let fakerSubTitle = ''
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//修改标题相关配置
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if (titleSwitch.value === true) {
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fakerTitle = title.value
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}
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if (subTitleSwitch.value === true) {
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fakerSubTitle = subTitle.value
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}
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myChart.value?.setOption({
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title: {
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text: fakerTitle,
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subtext: fakerSubTitle,
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left: titlePos.value
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}
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})
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break
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case "color":
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//图表属性颜色
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myChart.value?.setOption({
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series: [
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{
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itemStyle: {
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color: attrColor.value
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}
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}
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]
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})
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break;
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case "watermark":
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//水印
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if (watermarkSwitch.value === true) {
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myChart.value?.setOption({
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backgroundColor: {
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image: createWatermark(),
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}
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})
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} else {
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myChart.value?.setOption({
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backgroundColor: '#fff'
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})
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}
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break;
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case "data":
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//更新数据
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myChart.value?.setOption({
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xAxis: {
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data: colunmData.value,
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},
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series: [
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{
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data: valueData.value,
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}
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]
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})
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break;
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}
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}
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const handleChange = () => {
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}
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//数据
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const colunmData = ref(['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']);
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const valueData = ref(['23', '24', '18', '25', '27', '28', '25']);
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//选项
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const option = {
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backgroundColor: '#fff',
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// backgroundColor: {
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// // type: 'pattern',
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// // image: canvas,
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// // repeat: 'repeat'
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// },
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title: {
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text: title.value,
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subtext: subTitle.value,
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left: titlePos.value
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},
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xAxis: {
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data: colunmData.value,
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},
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yAxis: {},
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series: [
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{
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type: 'bar',
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data: valueData.value,
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itemStyle: {
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color: attrColor.value
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}
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}
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],
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tooltip: {}
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};
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//重新加载画布
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const reloadCanvas = () => {
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myChart.value = echarts.init(chartDom.value)
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myChart.value.clear();
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myChart.value.resize({
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width: widthCanvas.value,
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height: heightCanvas.value
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})
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myChart.value.setOption(option)
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}
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//下载echarts图表图片
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const downEchartsImg = () => {
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let ext = downType.value == '1' ? 'png' : 'jpeg'
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let imgUrl = myChart.value?.getDataURL({
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type: ext as "png" | 'jpeg',
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pixelRatio: 2,
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})
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if (imgUrl != undefined) {
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var downloadLink = document.createElement('a');
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downloadLink.href = imgUrl;
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downloadLink.download = 'echart.' + ext;
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downloadLink.click();
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}
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}
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/** 上传、编辑数据 */
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//抽屉开关
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const drawer = ref(false)
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const rowsData = ref({})
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const editData = () => {
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if (drawer.value == true) {
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drawer.value = false
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} else {
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drawer.value = true
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/** 在线excel */
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Spreadsheet.locale('zh-cn', (window.x_spreadsheet as any).$messages['zh-cn']);
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//const sheet = new Spreadsheet("#x-spreadsheet", {
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new Spreadsheet("#x-spreadsheet", {
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showToolbar: false, //隐藏顶部工具栏
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showBottomBar: false,//隐藏底部工具栏,
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view: {
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height: () => document.documentElement.clientHeight / 2,
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width: () => document.documentElement.clientWidth,
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}
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})
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.loadData({
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//样式
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styles: [
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{
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bgcolor: '#f4f5f8',
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textwrap: true,
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color: '#900b09',
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border: {
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top: ['thin', '#0366d6'],
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bottom: ['thin', '#0366d6'],
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right: ['thin', '#0366d6'],
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left: ['thin', '#0366d6'],
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},
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},
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],
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//数据
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rows: rowsData.value
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}) // load data
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.change(data => {
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//表格数据改变后触发
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//规则: 获取第一列和第二列的数据
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let tmp = toEchartsData(data)
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colunmData.value = tmp[0]
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valueData.value = tmp[1]
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canvasHandle('data')
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});
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// sheet.validate()
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}
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}
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//上传数据文件
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const fileList = ref()
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const updateDataFile = async (params) => {
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const _file = params.file;
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const fileReader = new FileReader();
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fileReader.onload = (ev) => {
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try {
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if (!ev.target) {
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return
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}
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const data = ev.target.result;
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const workbook = XLSX.read(data, {
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type: 'binary'
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});
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let useCount = 0;
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let tmpColumnData:any[] = [];
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let tmpValueData:any[] = [];
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for (let sheet in workbook.Sheets) {
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//这里只需要第一个sheet
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if (useCount > 0) {
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continue;
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}
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//循环读取每个文件
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const sheetArray = XLSX.utils.sheet_to_json(workbook.Sheets[sheet], {header: ['0', '1']});
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//若当前sheet没有数据，则continue
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if(sheetArray.length == 0){
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continue;
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}
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for(let item in sheetArray){
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if (sheetArray[item] != undefined) {
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tmpColumnData.push(sheetArray[item][0])
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tmpValueData.push(sheetArray[item][1])
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}
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}
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useCount++
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}
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//更新数据
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colunmData.value = tmpColumnData
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valueData.value = tmpValueData
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//更新图表
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canvasHandle('data')
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//更新表格
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rowsData.value = toSpreadsheetData([
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colunmData, valueData
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])
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} catch (e) {
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console.log('error')
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console.log(e)
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}
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}
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fileReader.readAsBinaryString(_file)
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}
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//copy
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// const copyRes = async (resStr: string) => {
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// copy(resStr)
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// }
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onMounted(() => {
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//init echart dom
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chartDom.value = document.getElementById('main')
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//设置画布宽高
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canvasHandle('size')
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//reload canvas
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reloadCanvas()
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//数据格式转换成
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rowsData.value = toSpreadsheetData([
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colunmData, valueData
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])
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// console.log(rowsData.value)
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})
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</script>
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<template>
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<div class="flex flex-col mt-3 flex-1">
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<DetailHeader :title="info.title"></DetailHeader>
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<div class="p-4 rounded-2xl flex">
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<div class="w-4/6">
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<div class="flex flex-row-reverse mb-4">
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<el-input-number v-model="sacleSize" :min="1" :max="100" :step="5" @change="canvasHandle('scale')" step-strictly/>
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<el-text>缩放：</el-text>
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</div>
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<!-- <div class="flex justify-center items-center"> -->
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<div class="flex justify-center items-center max-h-[500px] max-w-[1000px] overflow-auto">
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<div id="main" class="bg-white"></div>
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</div>
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</div>
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<div class="w-2/6 bg-white ml-3 rounded-lg p-3">
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<div class="mb-3">
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<el-button class="w-full mb-3" type="primary" size="large" @click="downEchartsImg">下载图表</el-button>
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<div class="flex items-center ml-1">
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<el-text>文件类型</el-text>
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<el-radio-group v-model="downType" class="ml-4">
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<el-radio size="large" label="1">PNG</el-radio>
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<el-radio size="large" label="2">JPEG</el-radio>
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</el-radio-group>
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</div>
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<div class="flex w-full">
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<el-tooltip
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class="box-item"
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effect="dark"
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content="支持上传：xls, xlsx, csv文件"
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placement="top-start"
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>
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<el-button class="w-1/2">
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<el-upload
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v-model:file-list="fileList"
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class="dataFileRef flex"
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ref="dataFileRef"
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accept=".xls,.xlsx,.csv"
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:http-request="updateDataFile"
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:limit="1"
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>
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上传数据
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</el-upload>
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</el-button>
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</el-tooltip>
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<el-button class="w-1/2" @click="editData">编辑数据</el-button>
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</div>
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</div>
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<el-collapse v-model="setOptionName" @change="handleChange" accordion>
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<el-collapse-item title="画布设置" name="1">
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<div class="flex">
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<el-text class="w-16 text-right">宽度</el-text>
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<el-input-number
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v-model="widthCanvas"
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:min="1"
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:max="4000"
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:step="10"
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controls-position="right"
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class="h-8 w-60 max-w-[60%] ml-3"
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@change="canvasHandle('size')"
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/>
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</div>
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<div class="flex mt-3">
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<el-text class="w-16 text-right">高度</el-text>
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<el-input-number
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v-model="heightCanvas"
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:min="1"
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:max="4000"
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:step="10"
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controls-position="right"
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class="h-8 w-60 max-w-[60%] ml-3"
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@change="canvasHandle('size')"
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/>
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</div>
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</el-collapse-item>
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<el-collapse-item title="标题设置" name="2">
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<div class="flex">
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<el-text class="w-16 text-right">位置</el-text>
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<el-radio-group v-model="titlePos" class="ml-3" @change="canvasHandle('title')">
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<el-radio-button label="left" value="left">左</el-radio-button>
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<el-radio-button label="center" value="center">中</el-radio-button>
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<el-radio-button label="right" value="right">右</el-radio-button>
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</el-radio-group>
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</div>
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<el-divider content-position="left" class="pl-10">标题</el-divider>
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<div class="flex">
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<el-text class="w-16 text-right">显示</el-text>
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<el-switch v-model="titleSwitch" class="ml-3" @change="canvasHandle('title')"/>
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</div>
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<div class="flex">
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<el-text class="w-16 text-right">标题</el-text>
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<el-input class="h-8 w-60 max-w-[60%] ml-3" v-model="title" @blur="canvasHandle('title')"></el-input>
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</div>
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<el-divider content-position="left">副标题</el-divider>
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<div class="flex">
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<el-text class="w-16 text-right">显示</el-text>
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<el-switch v-model="subTitleSwitch" class="ml-3" @change="canvasHandle('title')"/>
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</div>
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<div class="flex">
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<el-text class="w-16 text-right">副标题</el-text>
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<el-input class="h-8 w-60 max-w-[60%] ml-3" v-model="subTitle" @blur="canvasHandle('title')"></el-input>
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</div>
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</el-collapse-item>
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<el-collapse-item title="图形属性" name="3">
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<div class="flex">
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<el-text class="w-16 text-right">颜色</el-text>
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<el-color-picker v-model="attrColor" class="ml-3" @change="canvasHandle('color')"/>
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</div>
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</el-collapse-item>
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<el-collapse-item title="水印设置" name="4">
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<div class="flex">
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<el-text class="w-16 text-right">显示</el-text>
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<el-switch v-model="watermarkSwitch" class="ml-3" @change="canvasHandle('watermark')"/>
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</div>
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<div class="flex">
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<el-text class="w-16 text-right">水印内容</el-text>
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<el-input class="h-8 w-60 max-w-[60%] ml-3" v-model="waterMarkText" @change="canvasHandle('watermark')"></el-input>
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</div>
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</el-collapse-item>
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</el-collapse>
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</div>
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</div>
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<el-drawer id="x-spreadsheet" v-model="drawer" direction="btt" custom-class="sheet" style="">
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</el-drawer>
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</div>
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</template>
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<style scoped>
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:deep(.el-drawer__body){
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display: none !important;
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}
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:deep(.el-drawer__header){
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display: none !important;
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margin-bottom: 0 !important;
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}
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:deep(.el-drawer){
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height: 50% !important;
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}
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:deep(.el-upload-list){
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display: none !important;
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}
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</style>
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Reference in New Issue
Block a user