Vue统计图表的树状图和爆炸图功能实现

<template>
  <div id="chart"></div>
</template>

<script>
import * as echarts from 'echarts';

export default {
  data() {
    return {
      chartData: [
        { name: '根节点', value: 100, children: [
          { name: '子节点1', value: 50 },
          { name: '子节点2', value: 30 },
          { name: '子节点3', value: 20 }
        ]}
      ]
    }
  },
  mounted() {
    this.renderChart();
  },
  methods: {
    renderChart() {
      const chart = echarts.init(document.getElementById('chart'));
      const option = {
        series: [{
          type: 'tree',
          data: [this.chartData],
          top: '10%',
          left: '12%',
          bottom: '14%',
          right: '15%',
          symbolSize: 7,
          label: {
            position: 'left',
            verticalAlign: 'middle',
            align: 'right',
            fontSize: 9
          },
          leaves: {
            label: {
              position: 'right',
              verticalAlign: 'middle',
              align: 'left'
            }
          },
          expandAndCollapse: true,
          initialTreeDepth: 2
        }]
      };
      chart.setOption(option);
    }
  }
}
</script>

// 数据定义
chartData: [
  { name: '根节点', value: 100, children: [
    { name: '子节点1', value: 50, highlight: true },
    { name: '子节点2', value: 30 },
    { name: '子节点3', value: 20 }
  ]}
]

// option配置
label: {
  position: 'left',
  verticalAlign: 'middle',
  align: 'right',
  fontSize: 9,
  formatter: function(params) {
    if (params.data.highlight) {
      return '{highlight|' + params.name + '}' + '
{highlight|' + params.value + '}';
    } else {
      return params.name + '
' + params.value;
    }
  },
  rich: {
    highlight: {
      color: '#ff0000'
    }
  }
}