<!DOCTYPE html><html> <head> <meta charset="utf-8" /> <title>ECharts</title> <!-- 引入 echarts.js --> <script src="https://www.echartsjs.com/examples/vendors/echarts/echarts.min.js"></script> </head> <body> <div style="position: relative; width: 600px;height:400px;"> <!-- 为ECharts准备一个具备大小（宽高）的Dom --> <div style="position: absolute; left: 50%; transform: translateX(-50%);z-index: 10;"> <button style="height: 28px;" onclick="onLegendClick('邮件营销')" > 邮件营销 </button> <button style="height: 28px;" onclick="onLegendClick('联盟广告')" > 联盟广告 </button> </div> <div id="main" style="width: 100%;height: 100%"></div> </div> <script type="text/javascript"> // 基于准备好的dom，初始化echarts实例 var myChart = echarts.init(document.getElementById("main")); // 指定图表的配置项和数据 var option = { title: { text: "折线图堆叠" }, tooltip: { trigger: "axis" }, legend: { show: false, }, grid: { left: "3%", right: "4%", bottom: "3%", containLabel: true }, xAxis: { type: "category", boundaryGap: false, data: ["周一", "周二", "周三", "周四", "周五", "周六", "周日"] }, yAxis: { type: "value" }, series: [ { name: "邮件营销", type: "line", stack: "总量", data: [120, 132, 101, 134, 90, 230, 210] }, { name: "联盟广告", type: "line", stack: "总量", data: [220, 182, 191, 234, 290, 330, 310] }, { name: "视频广告", type: "line", stack: "总量", data: [150, 232, 201, 154, 190, 330, 410] }, { name: "直接访问", type: "line", stack: "总量", data: [320, 332, 301, 334, 390, 330, 320] }, { name: "搜索引擎", type: "line", stack: "总量", data: [820, 932, 901, 934, 1290, 1330, 1320] } ] }; // 使用刚指定的配置项和数据显示图表。 myChart.setOption(option); var onLegendClick = function(name) { myChart.dispatchAction({ type: "legendToggleSelect", // 图例名称 name: name, }); }; </script> </body></html>