代码
提交代码
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta name="viewport" content="width=device-width,initial-scale=1.0" /> <title>Echarts Example</title> </head> <body> <div id="main" style="width: 600px;height: 400px"></div> <script src="//cdn.bootcss.com/echarts/4.5.0/echarts.common.js"></script> <script type="text/javascript"> var myChart = echarts.init(document.getElementById('main')); var data = [ ['Mon', 820], ['Tue', 932], ['Wed', 901], ['Thu', 934], ['Fri', 1290], ['Sat', 1330], ['Sun', 1320], ]; var total = data.reduce((r, row) => r + row[1], 0); var option = { toolbox: { feature: { saveAsImage: {}, }, }, xAxis: { type: 'category', data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'], }, yAxis: { type: 'value', }, series: [ { data: data, type: 'line', label: { show: true, position: 'bottom', formatter(obj) { var data = obj.data; var v = data[1]; // 计算百分比 var percent = ((v / total) * 100).toFixed(2); return data[0] + ': ' + v + '\n' + percent + '%'; }, }, }, ], }; myChart.setOption(option); </script> </body> </html>
运行结果