关于echarts:echarts两个折线图共用x轴且合并tooltip功能代码

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问题形容

产品要这样的成果,就做这样的成果呗。有图有假相,咱们先来看一下效果图:

效果图

代码附上

运行的话,间接赋值粘贴即可,遇到相似的性能,ctrl+CV 改一下就行啦 ^_^

<template>
  <div class="eWrap">
    <div id="echartsDom"></div>
  </div>
</template>

<script>
import Echarts from "echarts";
export default {data() {
    return {
      myChart: null, // 定义变量用来寄存 echarts 实例
      xData: ["周一", "周二", "周三", "周四", "周五", "周六", "周日"], // 两个 echarts 专用的 x 轴的数据
      y1Data: [8888, 9999, 7777, 10000, 3334, 7878, 6543], // 小件货物
      y2Data: [56, 64, 32, 58, 64, 76, 81], // 网点负荷
      y3Data: [88, 99, 77, 100, 21, 66, 95], // 大件货物
    };
  },
  mounted() {this.drawEcharts();
  },
  methods: {
    // 画图办法
    drawEcharts() {this.myChart = Echarts.init(document.getElementById("echartsDom"));
      this.myChart.setOption({color: ["#bfa", "#baf", "pink", "#baf"], // 配置数据色彩
        grid: [
          // 配置第一个折线图的地位
          {
            left: "14.5%",
            right: "12%",
            top: "10%",
            height: "32%",
          },
          // 配置第二个折线图地位
          {
            left: "14.5%",
            right: "12%",
            top: "60%",
            height: "32%",
          },
        ],
        tooltip: {
          trigger: "axis",
          // formatter 函数动静批改 tooltip 款式
          formatter: function (params) {if (params) {
              var htmlStr = "";
              htmlStr += params[0].name.replace(/\-/g, "/") + "<br/>"; // x 轴的名称
              for (var i = 0; i < params.length; i++) {var param = params[i]; // 存一份 item 项
                var seriesName = param.seriesName; // 图例名称
                var value = param.value; // y 轴值
                var color = param.color; // 图例色彩
                htmlStr += "<div>";
                htmlStr +=
                  '<span style="margin-right:5px;display:inline-block;width:10px;height:10px;border-radius:5px;background-color:' +
                  color +
                  ';"></span>';
                // 圆点前面显示的文本
                htmlStr += seriesName + ":" + value;
                switch (seriesName) {
                  case "小件货物":
                    htmlStr += "" +" 件 ";
                    break;
                  case "网点负荷":
                    htmlStr += "" +"%";
                    break;
                  case "大件货物":
                    htmlStr += "" +" 件 ";
                    break;
                  default:
                    htmlStr += " ";
                }
                htmlStr += "</div>";
              }
              return htmlStr;
            } else {return;}
          },
          backgroundColor: "#ccc",
          borderWidth: 1,
          borderColor: "#ccc",
          padding: 10,
          textStyle: {
            color: "#000",
            fontSize: 12,
            align: "left",
          },
        },
        legend: {
          show: true,
          x: "center",
          y: "0",
          data: ["小件货物", "网点负荷", "大件货物", "网点负荷"],
          textStyle: {fontSize: 12,},
        },
        // 将高低两个 tootip 合成一个
        axisPointer: {link: { xAxisIndex: "all"},
        },
        xAxis: [
          {
            type: "category",
            scale: true,
            axisLabel: {show: false,},
            axisTick: {alignWithLabel: true,},
            splitLine: {show: false,},
            data: this.xData, // x 轴工夫的数据
          },
          {
            gridIndex: 1,
            type: "category",
            scale: true,
            axisLabel: {fontSize: 10,},
            axisTick: {alignWithLabel: true,},
            splitLine: {show: false,},
            data: this.xData, // x 轴工夫的数据
          },
        ],
        yAxis: [
          {
            type: "value",
            name: "件数",
            nameLocation: "center",
            nameGap: 50,
            nameTextStyle: {
              fontSize: 12,
              fontWeight: "500",
            },
            axisLabel: {fontSize: 12,},
            min: function (value) {return parseInt(value.min);
            },
            max: function (value) {return parseInt(value.max * 1.05);
            },
            scale: false,
            boundaryGap: [0, "100%"],
            splitLine: {show: false,},
            splitNumber: 4, // 设置坐标轴的宰割段数
          },
          {
            type: "value",
            name: "负荷 / 百分比",
            nameLocation: "center",
            nameGap: 42,
            nameTextStyle: {fontSize: 12,},
            axisLabel: {fontSize: 12,},
            // min: function (value) {//   return parseInt(value.min);
            // },
            // max: function (value) {//   return parseInt(value.max * 1.05);
            // },
            scale: true,
            boundaryGap: [0, "100%"],
            splitLine: {show: false,},
            splitNumber: 4, // 设置坐标轴的宰割段数
          },
          {
            type: "value",
            name: "件数",
            nameLocation: "center",
            gridIndex: 1,
            nameGap: 30,
            nameTextStyle: {fontSize: 12,},
            axisLabel: {fontSize: 12,},
            min: function (value) {return parseInt(value.min);
            },
            max: function (value) {return parseInt(value.max * 1.05);
            },
            scale: true,
            boundaryGap: [0, "100%"],
            splitLine: {show: false,},
            splitNumber: 4, // 设置坐标轴的宰割段数
          },
          {
            type: "value",
            name: "负荷 / 百分比",
            nameLocation: "center",
            gridIndex: 1,
            nameGap: 42,
            nameTextStyle: {fontSize: 12,},
            axisLabel: {fontSize: 12,},
            // min: function (value) {//   return parseInt(value.min);
            // },
            // max: function (value) {//   return parseInt(value.max * 1.05);
            // },
            scale: true,
            boundaryGap: [0, "100%"],
            splitLine: {show: false,},
            splitNumber: 4, // 设置坐标轴的宰割段数
          },
        ],
        dataZoom: [
          {
            type: "inside",
            startValue: this.y1Data.length - 4, // 搁置最初 4 个数组
            endValue: this.y1Data.length - 1,
            xAxisIndex: [0, 1], // 显示 0 1 的数据,这个要加,不加的话,悬浮提醒就会出问题
          },
        ],
        series: [
          {
            name: "小件货物",
            type: "line",
            xAxisIndex: 0,
            yAxisIndex: 0,
            hoverAnimation: true, // 悬浮的动画加上
            data: this.y1Data, // 小件货物
          },
          {
            name: "网点负荷",
            type: "line",
            xAxisIndex: 0,
            yAxisIndex: 1,
            hoverAnimation: true, // 悬浮的动画加上
            data: this.y2Data, // 网点负荷
          },
          {
            name: "大件货物",
            type: "line",
            xAxisIndex: 1,
            yAxisIndex: 2,
            hoverAnimation: true, // 悬浮的动画加上
            data: this.y3Data, // 大件货物
          },
          {
            name: "网点负荷",
            type: "line",
            xAxisIndex: 1,
            yAxisIndex: 3,
            hoverAnimation: true, // 悬浮的动画加上
            data: this.y2Data, // 网点负荷
          },
        ],
      });
      // 自适应
      window.addEventListener("resize", () => {this.myChart.resize();
      });
    },
  },
};
</script>
<style lang="less" scoped>
.eWrap {
  width: 100%;
  height: 400px;
  overflow: hidden;
  #echartsDom {
    width: 100%;
    height: 100%;
  }
}
</style>

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