vue element ui table过滤器显示过滤的内容

vue yekong 155℃

vue element table将选择的过滤器值现在在table的head内。
vue element ui table过滤器显示过滤的内容

<el-table
  ref="filterTable"
  @filter-change="filterChange"
  :data="tableData"
  style="width: 100%">
  <div class="tableEmpty" slot="empty">
    <img src="../../assets/empty/order_empty.png" alt="">
  </div>
  <el-table-column
    prop="orderStatus"
    property="orderStatus"
    align="left"
    column-key="orderStatus"
    :filter-multiple="false"
    :filters="filterList"
    :filter-method="filterHandler"
    :label="'状态('+statusInfo+')'"
  >
    <template slot-scope="scope">
      <status :status="scope.row.orderStatus"></status>
    </template>
  </el-table-column>
</el-table>

data

filterInfo: -1,
filterList: [{text: '待支付', value: 0}, {text: '支付完成', value: 1}, {text: '支付失败', value: 2}]

计算computed

computed: {
    statusInfo() {
      var info = ''
      this.filterList.forEach((type) => {
        if (type.value == this.filterInfo) {
          info = type.text
        }
      })
      if (!info) {
        info = '全部'
      }
      return info
    }
},

方法

filterChange(e) {
  console.log(e)
  if (e.orderStatus.length > 0) {
    this.filterInfo = e.orderStatus[0]
  } else {
    this.filterInfo = -1
  }
},
filterHandler(value, row, column) {
  console.log(value)
  const property = column.property
  return row[property] == value
},
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