el-tabe单选

<el-table
  ref="multipleTable"
  highlight-current-row
  @current-change="rowClick"
  border
  stripe
  align="center"
  :data="valueForm.orders"
  style="width: 100%">

  <el-table-column label width="35">
    <template slot-scope="scope">
      <el-radio :label="scope.row.id" v-model="radioId">&nbsp;&nbsp;&nbsp;&nbsp;</el-radio>
    </template>
  </el-table-column>
</el-table>

radioId: ‘‘,

 /** 单选 */
rowClick(row) {
  // console.log(row.id, ‘row.id‘)
  if (row) {
    this.radioId = row.id;
  }
},