element table表格树形数据展示

1、效果

2、代码

 <el-table  ref="pointMultipleTable" border class="table-box" :data="[damActiveObj]"
      row-key="id" :tree-props="{ children: 'children' }" :expand-row-keys="expandRowKeys">
      <el-table-column v-for="column in columnAttrs" :key="column.prop" :label="column.label" :prop="column.prop"
        :align="column.align || 'right'" :width="column.width" :show-overflow-tooltip="true">
        <template slot-scope="{ row }">
          <span v-if="column.prop === 'evaluateLevelNm'" :style="{
            color: colors[row['evaluateLevel']]
          }">
            {{ row[column.prop] }}
          </span>
          <span v-else>{{ row[column.prop] }}</span>

        </template>
      </el-table-column>
    </el-table>

const colors = {
  95: '#1EE36D', // 正常
  85: '#00F0FF', // 基本正常
  75: '#FFD600', // 轻度异常
  65: '#FF6B00', // 异常
  55: '#FF331D' // 极度异常
}
	data() {
    return {
      colors,
      columnAttrs: [
        {
          label: '指标名称',
          prop: 'quotaName'
        },
        {
          label: '综合权重',
          prop: 'quotaWeight',
          align: 'center'
        },
        {
          label: '最大隶属度',
          prop: 'evaluateMaxScore',
          align: 'right'
        },
        {
          label: '安全状态',
          prop: 'evaluateLevelNm',
          align: 'center'
        },
        {
          label: '分值',
          prop: 'evaluateScore',
          align: 'right'
        }
      ],
      expandRowKeys: []
    }
  },

 handleSelectDam(item) {
      // this.expandRowKeys取前面1级
      this.expandRowKeys = [item.id]
     
    },