父组件：

  <pieChartNormal :opt="contractStatics" style="width: 100%;height: 100%;" />
  
  import pieChartNormal from "./components/pieChartNormal";

data() {
	return {
		contractStatics: {
		        seriesData: [{
		          name: '技术服务类',
		          value: 30.5,
		          itemStyle: {
		            color: '#3562D4',
		          },
		        },
		        {
		          name: '监理监测类',
		          value: 41.4,
		          itemStyle: {
		            color: '#2BC4CD',
		          },
		          },
		        {
		          name: '工程总承包类',
		          value: 21.1,
		          itemStyle: {
		            color: '#E68B29',
		          },
		        }],
		      }
      }
}

子组件：

<template>
  <div style="width: 100%;height: 100%;">
    <ChartPanel ref="chart" :option="options" :style="opt.yAxisName ? 'height:calc(100% - 16px)' : ''"></ChartPanel>
  </div>
</template>

<script>
import * as echarts from 'echarts'
import ChartPanel from '@/components/ChartPanel';
export default {
  components: {
    ChartPanel
  },
  props: {
    opt: {
      type: Object,
      default() {
        return {}
      }
    }
  },
  data() {
    return {
      options: null
    }
  },
  watch: {
    opt: {
      deep: true,
      immediate: true,
      handler(val) {
        // if (val && val.seriesData) {
        this.getOpt(val)
        // }
      }
    }
  },
  methods: {
    getOpt(val) {
      let {
        seriesData
      } = val
      let color = ['#3666E0', '#26D7E0', '#F0922E']
      this.options = {
        animation: true,
        legend: {
          orient: 'vertical',
          show: true,
          x: '40%',
          y: 'center',
          itemWidth: 0,
          itemHeight: 0,
          textStyle: {
            color: '#595D64',
            fontSize: 14,
            lineHeight: 20,
            rich: {
              percent0: {
                color: color[0],
                fontSize: 14,
                fontWeight: 700
              },
              percent1: {
                color: color[1],
                fontSize: 14,
                fontWeight: 700
              },
              percent2: {
                color: color[2],
                fontSize: 14,
                fontWeight: 700
              },
            },
          },
          formatter: name => {
            let dataIndex = 0
            let obj = (seriesData.filter((item, index) => {
              if (item.name == name) {
                dataIndex = index
                return item
              }
            }))[0]
            return obj.name + ' {percent'+ dataIndex +'|' + obj.value + '亿元} ' +
              ' {percent' + dataIndex + '|30%}'
          },
        },
        tooltip: {
          borderWidth: 0,
          show: true,
          formatter: params => {
            if (params.seriesName != '内边线') {
              return `<div style="font-weight:700">${params.name}</div>
                        <div>
                          <span style="color:${params.color};font-weight:700">${params.value}亿元 ${params.percent}%</span>  
                        </div>
              `
            }
          }
        },
        series: [
          {
            type: 'pie',
            roseType: 'area',
            radius: ['45%', '90%'],
            center: ['15%', '50%'],
            hoverAnimation: false,
            z: 10,
            color: color,
            label: {
              show: false,
            },
            data: seriesData,
            labelLine: {
              show: false,
            },
          },
          {
            type: "pie",
            name: '内边线',
            center: ["15%", "50%"],
            radius: ["89%", "90%"],
            label: {
              show: false
            },
            hoverAnimation: false,
            data: [{
              value: 1,
              itemStyle: {
                normal: {
                  color: 'rgba(242, 244, 247, 1)'
                }
              }
            }]
          },
        ],
      };
      this.$nextTick(() => {
        this.$refs.chart.initChart(echarts, chart => {
          // chart.setOption(this.options)
          this.options && chart.setOption(this.options, true);
        });
      })
    }
  }
}
</script>