Vue饼状图

<template>
  <div>
    <div :id="chartId" style="height:500px; width:100%"></div>
  </div>
</template>

<script>
import echarts from "echarts";

export default {
  name: "e5",
  data() {
    return{
      option : {
        title: {
          text: '便民热线办结率统计',
          subtext: 'Fake Data',
          left: 'center'
        },
        tooltip: {
          trigger: 'item'
        },
        legend: {
          orient: 'vertical',
          left: 'left',
          textStyle:{
            fontSize:12
          }
        },
        series: [
          {
            name: 'Access From',
            type: 'pie',
            radius: '50%',
            label:{
              show: true,
              fontSize: 20
            },
            data: [
              { value: 1048, name: 'Search Engine' },
              { value: 735, name: '已办结' },
              { value: 580, name: 'Email' },
              { value: 484, name: 'Union Ads' },
              { value: 300, name: 'Video Ads' }
            ],
            emphasis: {
              itemStyle: {
                shadowBlur: 10,
                shadowOffsetX: 0,
                shadowColor: 'rgba(0, 0, 0, 0.5)'
              },
              label: {
                show: true,
                fontSize: 8,
                fontWeight: 'bold'
              }
            }
          }
        ]
      }
    }
  },
  created() {
    //随机ID
    this.chartId = "chartId" + Math.random();

  },
  mounted() {

    if (this.echart == null) {
      this.echart = echarts.init(
        document.getElementById(this.chartId)
      );
    }
    this.echart.clear();
    this.echart.setOption(this.option);


  }
}
</script>

<style scoped>

</style>