刚刚发现官网实例里边的数据其实在：https://www.echartsjs.com/data/asset/data/flare.json
源码：
html:
1 <!DOCTYPE html> 2 <head> 3 <meta charset="utf-8"> 4 <script type="text/javascript" src="js/echarts.js"></script> 5 <script type="text/javascript" src="js/jquery-3.3.1.js"></script> 6 <script type="text/javascript" src="js/jsonTool.js"></script> 7 </head> 8 <body style="height: 600px; margin: 0"> 9 <div id="container" style="height: 100%"></div> 10 <script type="text/javascript"> 11 var dom = document.getElementById("container"); 12 var myChart = echarts.init(dom); 13 var app = {}; 14 option = null; 15 myChart.showLoading(); 16 $.get('data/flare.json', function (data) { 17 myChart.hideLoading(); 18 19 myChart.setOption(option = { 20 tooltip: { 21 trigger: 'item', 22 triggerOn: 'mousemove' 23 }, 24 series: [ 25 { 26 type: 'tree', 27 28 data: [data], 29 30 top: '18%', 31 bottom: '14%', 32 33 layout: 'radial', 34 35 symbol: 'emptyCircle', 36 37 symbolSize: 7, 38 39 initialTreeDepth: 3, 40 41 animationDurationUpdate: 750 42 43 } 44 ] 45 }); 46 }); 47 if (option && typeof option === "object") { 48 var startTime = +new Date(); 49 myChart.setOption(option, true); 50 var endTime = +new Date(); 51 var updateTime = endTime - startTime; 52 console.log("Time used:", updateTime); 53 } 54 </script> 55 </body> 56 </html>
效果图
