Echarts联动和共享数据集，多个数据集时的处理

echarts【联动和共享数据集】

☆多数据集的处理

setTimeout(function () {
  option = {
    legend: {},
    tooltip: {
      trigger: ;axis;,
      showContent: false
    },
    dataset: [{
      source: [
        [;product;, ;2012;, ;2013;, ;2014;, ;2015;, ;2016;, ;2017;],
        [;Milk Tea;, 56.5, 82.1, 88.7, 70.1, 53.4, 85.1],
        [;Matcha Latte;, 51.1, 51.4, 55.1, 53.3, 73.8, 68.7],
        [;Cheese Cocoa;, 40.1, 62.2, 69.5, 36.4, 45.2, 32.5],
        [;Walnut Brownie;, 25.2, 37.1, 41.2, 18, 33.9, 49.1],
      ]
    },{
      source: [
        [;product;, ;2012;, ;2013;, ;2014;, ;2015;, ;2016;, ;2017;],
        [;多数据集;, 10, 20, 30, 40, 50, 60],
      ]
    }],
    xAxis: { type: ;category; },
    yAxis: { gridIndex: 0 },
    grid: { top: ;55% },
    series: [

      {
        type: ;bar;,
        smooth: true,
         stack: ;Ad;,
        seriesLayoutBy: ;row;,
        datasetIndex: 0
      
      },
      {
        type: ;bar;,
        smooth: true,
         stack: ;Ad;,
        seriesLayoutBy: ;row;,
      datasetIndex: 0
      },
      {
        type: ;bar;,
        smooth: true,
         stack: ;Ad;,
        seriesLayoutBy: ;row;,
      datasetIndex: 0
      },
      {
        type: ;bar;,
        smooth: true,
         stack: ;Ad;,
        seriesLayoutBy: ;row;,
        datasetIndex: 0
       
      },
       {
        type: ;bar;,
        smooth: true,
        seriesLayoutBy: ;row;,
       datasetIndex: 1
      },
      {
        type: ;pie;,
        id: ;pie;,
        radius: ;30%,
        center: [;50%, ;25%],
        label: {
          formatter: ;{b}: {;2012} ({d}%);
        },
        encode: {
          itemName: ;product;,
          value: ;2012;,
          tooltip: ;2012;
        }
      }
    ]
  };
  myChart.on(;updateAxisPointer;, function (event) {
    const xAxisInfo = event.axesInfo[0];
    if (xAxisInfo) {
      const dimension = xAxisInfo.value ; 1;
      myChart.setOption({
        series: {
          id: ;pie;,
          label: {
            formatter: ;{b}: {;[; ; dimension ; ;]} ({d}%);
          },
          encode: {
            value: dimension,
            tooltip: dimension
          }
        }
      });
    }
  });
  myChart.setOption(option);
});