echarts.jpg

 option = {
   xAxis: {
     type: "category",
     data: ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
   },
   yAxis: {},
   series: [{
     data: [820, 932, 901, 934, 1290, 1330.2356, 1320],
     type: "line",
     markPoint: {
       data: [
         {
           type: "max",
         },
         {
           type: 'min'
         }
       ],
         // 根據(jù)當(dāng)前某項(xiàng)數(shù)據(jù)確定標(biāo)注容器寬高。若為0，固定為30；若非0，其數(shù)值位數(shù)少于等于4位，固定為 60 ，否則 位數(shù)*14 作為其寬高
       symbolSize: (e, e1) => e ? e.toString().length <= 4 ? 60 : e.toString().length * 14 : 30,
     }
   }]
 }