el-table多选框,只选一个的方法

<el-table

      ref="table"

      v-loading="listLoading"

      :data="tableData"

      border

      :row-key="getRow"

      stripe

      :height="tableHeight"

      :header-cell-style="{'background':'#F5F4F7'}"

      @selection-change="handleCurrentChange"

    >

      <el-table-column

        type="selection"

        width="50"

        align="center"

        fixed="left"

        :resizable="false"

      />

      <el-table-column

        type="index"

        label="序号"

        width="60"

        fixed="left"

        :index="indexMethod"

        align="center"

      />

      <el-table-column

        prop="strdate"

        label="单据日期"

        min-width="160"

      />

</el-table>

methods: {

    handleCurrentChange(val) {

      this.currentRow = val

      this.tableData.forEach(item => {

        if (val[val.length - 1] === item) {

          this.$refs.table.toggleRowSelection(item, true)

        } else {

          this.$refs.table.toggleRowSelection(item, false)

        }

      })

    },

}