vue+elementUi+echarts 饼图组件

echarts官网

效果

饼图组件 pie.vue

<template>
  <div id="main" style="width: 78%;height: 350px;"></div>
</template>
<script>
import echarts from 'echarts'
import { debounce } from '@/utils'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'
export default {
  props: {
    opinion: {
      type: Array,
      default: []
    },
    opinionData: {
      type: Array,
      default: []
    },
    title: {
      type: String,
      default: ''
    }
  },
  name: '',
  data() {
    return {
      charts: '',
    }
  },
  methods: {
    drawPie(id) {
      this.charts = echarts.init(document.getElementById(id), 'macarons')
      this.charts.off('click'); //饼图点击事件
      this.charts.on('click', event => {
        console.log("maa:", event)
        if (event.seriesType == 'pie') {
          this.$emit('func', event.data)  //给父组件传值
        }
      })
      this.charts.setOption({
        title: {
          text: this.title,
          subtext: '',
          left: 'center'
        },
        tooltip: {
          trigger: 'item',
          formatter: '{b} <br/> 金额: {c} 元，占比： {d}%' 
        }, //自定义悬停内容
        legend: {
          orient: 'vertical',
          x: 'right',
          data: this.opinion,
        }, //导航数据
        series: [
          {
            name: '标题',
            type: 'pie',
            radius: '55%',
            center: ['50%', '60%'],
            emphasis: {
              itemStyle: {
                shadowBlur: 10,
                shadowOffsetX: 0,
                shadowColor: 'rgba(0, 0, 0, 0.9)'
              }
            },
            labelLine: {
              show: false
            },
            data: this.opinionData
          }
        ]
      })
    }
  },
  //调用
  mounted() {
    this.$nextTick(function () {
      setTimeout(this.drawPie('main'), 200);
    })
  },
  watch: {
    opinionData: {
      deep: true,
      handler(val) {
        console.log('监听', val)
        if (val) {
          setTimeout(this.drawPie('main'), 200);
        }
      }
    }
  }
}
</script>
<style scoped>
* {
  margin: 0;
  padding: 0;
  list-style: none;
}
</style>

父组件调用

 <pie :opinion="opinion" :opinionData="opinionData" :title="title"></pie>

import Pie from "@/components/Charts/Pie";
export default {
  components: { Pie },
  data() {
    return { opinion : [] , opinionData : [] ,title : '' }
  }
}