vue+elementUi+echarts 柱状图饼图联动组件

封装组件pie-bar.vue

<template>
  <div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import * as echarts from 'echarts';
import resize from "./mixins/resize"; // 动态自适应
require('echarts/theme/macarons')
var option;
export default {
  mixins: [resize],
  name: 'PieBar',
  components: {},
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '80vw'
    },
    height: {
      type: String,
      default: '500px'
    },
    pieBarData: {
      type: Object,
      required: true,
      default: function () {
        return {

        }
      }
    }
  },
  data () {
    return {
      chart: null
    }
  },
  mounted () {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy () {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  watch: {
    pieBarData: {
      deep: true,
      handler (val) {
        // this.$nextTick(() => {
        this.setOptions(val)
        // });
      }
    }
  },
  methods: {
    initChart () {
      var that = this
      this.chart = echarts.init(this.$el, 'macarons')
      this.setOptions(that.pieBarData)
      //更新
      this.chart.on('updateAxisPointer', event => {
        let xAxisInfo = event.axesInfo[0];
        if (xAxisInfo) {
          let dimension = xAxisInfo.value + 1;
          this.chart.setOption({
            series: {
              id: 'pie',
              label: {
                formatter: '{b}: {@[' + dimension + ']} ({d}%)'
              },
              encode: {
                value: dimension,
                tooltip: dimension
              }
            }
          });
        }
      });
      this.chart.on('click', event => {
        if (event.seriesType == 'pie') {
          console.log(event.data[0])
          this.$emit('func', event.data[0])
        }
      })
    },
    setOptions (newVisitis) {
      this.chart.setOption({
        legend: {},
        title: {
          text: '',
          // left: 'center',
        },
        tooltip: {
          trigger: 'axis',
          showContent: true,
          backgroundColor: '#F6F8FC',
        },
        dataset: {
          source: newVisitis.source
        },
        xAxis: {
          type: 'category',
          min: 0,
          max: newVisitis.source[0].length + 1
        },
        yAxis: {
          gridIndex: 0
        },
        grid: {
          // top: '55%'
          left: '3%'
        },
        series: [
          {
            type: 'bar', barWidth: 25, seriesLayoutBy: 'row',
            emphasis: { focus: 'series' }
          },
{
            type: 'bar', barWidth: 25, seriesLayoutBy: 'row',
            emphasis: { focus: 'series' }
          },
{
            type: 'bar', barWidth: 25, seriesLayoutBy: 'row',
            emphasis: { focus: 'series' }
          },
{
            type: 'bar', barWidth: 25, seriesLayoutBy: 'row',
            emphasis: { focus: 'series' }
          },
          {
            type: 'pie',
            id: 'pie',
            radius: '30%',
            center: ['65%', '35%'],
            label: {
              formatter: '{b}: {@2012} ({d}%)'
            },
            encode: {
              itemName: newVisitis.source[0],
              value: newVisitis.source[1],
              tooltip: newVisitis.source[1]
            }
          }
        ]
      })
    },
  },


}
</script>

父组件引用

<PieBar
            :pieBarData="pieBarData"
            width="100vw"
          ></PieBar>

import PieBar from '@/components/XXX/pie-bar'
export default {
 components: { PieBar },// 注册组件
  data() {
    return {
      pieBarData: { source: [] },
    }
  },
}

数据结构

pieBarData: {
            source: [
                ['product', '2012', '2013', '2014', '2015', '2016', '2017'],
                ['Milk Tea', 56.5, 82.1, 88.7, 70.1, 53.4, 85.1],
                ['Matcha Latte', 51.1, 51.4, 55.1, 53.3, 73.8, 68.7],
                ['Cheese Cocoa', 40.1, 62.2, 69.5, 36.4, 45.2, 32.5],
                ['Walnut Brownie', 25.2, 37.1, 41.2, 18, 33.9, 49.1]
            ]
        },