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echarts 實現雙軸,且柱狀圖重疊

效果預覽

 

 程式碼實現:

xAxis: [
          {
            type: "category",
            axisLabel: {
              show: true,
              textStyle: {
                color: this.xaxisLabelColor, //更改座標軸文字顏色
                fontSize: this.axisLabelFont,
              },
              rotate: this.xaxisLabelRotate,
            },
            nameTextStyle: {
              color: this.xaxisLabelColor,
            },
            data: [
              "1月",
              "2月",
              "3月",
              "4月",
              "5月",
              "6月",
              "7月",
              "8月",
              "9月",
              "10月",
              "11月",
              "12月",
            ],
          },
        ],
        yAxis: [  //雙軸則Y軸為陣列形式
{ type: "value", name: "水量", // min: 0, // max: 250, interval: 50, // axisLabel: { // formatter: "{value} ml", // }, axisLabel: { show: true, // formatter: "{value} ml", textStyle: { color: this.yaxisLabelColor, fontSize: this.axisLabelFont, rotate: this.xaxisLabelRotate, }, }, nameTextStyle: { color: this.yaxisLabelColor, }, }, { type: "value", name: "溫度", axisLabel: { show: true, textStyle: { color: this.yaxisLabelColor, fontSize: this.axisLabelFont, rotate: this.xaxisLabelRotate, }, }, nameTextStyle: { color: this.yaxisLabelColor, }, }, ], series: [ { name: "蒸發量", type: "bar", data: [ 2.0, 4.9, 7.0, 23.2, 25.6, 76.7, 135.6, 162.2, 32.6, 20.0, 6.4, 3.3, ], }, { name: "降水量", type: "bar", z: -1, //主要是實現這個柱狀圖為重合的
barGap: "-100%", //主要是實現這個柱狀圖為重合的
           data: [ 2.6, 5.9, 9.0, 26.4, 28.7, 70.7, 175.6, 182.2, 48.7, 18.8, 6.0, 2.3, ], 
},
       { name: "平均溫度",
         type: "line",
        yAxisIndex: 1, //設定與之匹配的Y軸 -- 1為下標
         data: [ 2.0, 2.2, 3.3, 4.5, 6.3, 10.2, 20.3, 23.4, 23.0, 16.5, 12.0, 6.2, ],
      },
    ],