echarts折线图标识最大值_echarts折线图最大值

效果图

            series: [
              {
                name: "总需量",
                symbolSize: 5,
                data: demandArr,
                type: "line",
                // smooth:true,
                showSymbol: false,
                markPoint: vm.markPoint,
              }
            ]
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  data() {
    return {
      markPoint:{
         label: {
           show: true,
           position: "top",
           distance: 7,
           offset: [1, 1],
           formatter: '{b}: {c} kw'
         },
         symbol: "circle",
         symbolSize: 10,
         symbolOffset: [0, 0],                          
         data: [ {type: 'max', name: '最大需量'}, ],        
      }
    };
  },
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