npm install echarts --save npm install @types/echarts --save
定义一个domhtml
<div id="chart" style="min-width: 1500px;min-height:800px;"></div>
定义对象git
//数据 eChartDatas: any; //图例 legends:any; //echart echarts: any; myChart: any;
得到echarts对象github
// 基于准备好的dom,初始化echarts实例 this.echarts = require('echarts'); //只能初始化一次:https://www.echartsjs.com/api.html#echarts.init if (this.myChart == null || this.myChart == undefined) { this.myChart = this.echarts.init(document.getElementById('chart') as HTMLDivElement); }
效果如图
typescript
//绘制chart // 指定图表的配置项和数据 var option = { //标题 title: { text: '监测数据统计图', // left: 'center' }, //图例 legend: { data: this.legends }, tooltip: { trigger: 'axis', grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true }, toolbox: { feature: { saveAsImage: {} } }, xAxis: { type: 'time', splitLine: { show: false } }, yAxis: { type: 'value', splitLine: { show: false } }, series: [] }; //循环录入数据 this.eChartDatas.forEach(dataList => { option.series.push({ name: dataList[0].tip, type: 'line', showSymbol: false, hoverAnimation: false, data: dataList }); }); // 使用刚指定的配置项和数据显示图表。 this.myChart.clear(); this.myChart.setOption(option);
示例代码npm
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