vue使用echart画圆环

 mounted() {
    this.initEcharts("myCharts");
   
  },

  .chartBox_d {
    width: 490px;
    height: 293px;
    margin: 12px 28px 32px;
  }

 

 initEcharts(myCharts) {
      this.mycharts = echarts.init(this.$refs[myCharts]);
      this.mycharts.setOption({
        tooltip: {
          trigger: "item",
          formatter: "{a} 
{b}: {c} ({d}%)"
        },
        legend: {
          orient: "vertical",
          right: 10,
          data: ["其他", "三级甲等", "三级", "二级甲等", "二级", "一级"]
        },
        series: [
          {
            name: "医院等级统计",
            type: "pie",
            radius: ["30%", "45%"],
            emphasis: {
              label: {
                show: true,
                fontSize: "30",
                fontWeight: "bold"
              }
            },
            data: [
              { value: 335, name: "其他" },
              { value: 310, name: "三级甲等" },
              { value: 448, name: "三级" },
              { value: 435, name: "二级甲等" },
              { value: 234, name: "二级" },
              { value: 203, name: "一级" }
            ]
          }
        ]
      });
    },