1. 在el-table中添加 :row-key="getRowKeys"
<el-table
:data="data"
:row-key="getRowKeys"
>
getRowKeys(row) {
return row.id;
},
<el-table
:data="data"
:row-key="getRowKeys"
@selection-change="handleSelectionChange"
>
handleSelectionChange(rows) {
console.log(rows);
},
2.在表格多选那一栏添加:reserve-selection="true"
<el-table-column type="selection" width="55" align="center" :reserve-selection="true">
</el-table-column>
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