在el-table中添加:row-key="getRowKeys"
<el-table
ref="form"
:model="form"
:row-key="getRowKeys"
@selection-change="handleChange"
>
</el-table>
getRowKeys(row) {
return row.id
},
handleChange(selection) {
console.log(selection)
}
然后第一列,即有多选框的一列,添加 :reserve-selection="true"
<el-table-column type="selection" :reserve-selection="true"></el-table-column>