// 监听 tooltip:show 事件
      this.chart.on('tooltip:show', (event) => {
   
        this.currentShowTooltipName = event.data.items[0].name
      })

      // 监听绘图区plot的点击事件
      this.chart.on('interval:click', ev => {
   
        this.$emit('chartClick', this.currentShowTooltipName);
      })

      // 监听绘图区label的点击事件
      this.chart.on('label:click', ev => {
   
        this.$emit('chartClick', this.currentShowTooltipName);
      })

[
  {
   
    "title": "APP",
    "value": "292"
  },
  {
   
    "title": "门户",
    "value": "304"
  },
  {
   
    "title": "小程序",
    "value": "924"
  }
]

<template>
  <div class="pie-chart" ref="pie-chart"/>
</template>

<script>
import {
     Chart} from