el-table设置只能单选_el-table只能单选

<el-table
    ref="videoList"
    :data="list"
    border
    style="width: 100%"
    @selection-change="setSelectRows"
>
    <el-table-column type="selection" width="50"></el-table-column>
</el-table>
 
 
export default {
    data() {
      return {
        list: [],
        selectRows:[],
      }
    },
methods: {
  //表格只能单选
      setSelectRows(selection) {
        this.selectRows = []
        if (selection.length > 1) {
          this.$refs.videoList.clearSelection()
          this.$refs.videoList.toggleRowSelection(
            selection[selection.length - 1]
          )
        }
        this.selectRows = [selection[selection.length - 1]]
      },
}