javascript
复制代码
<template>
<el-table ref="multipleTableRef" :data="tableData" style="width: 100%">
<el-table-column type="selection" width="55" />
<el-table-column label="时间" width="120">
<template #default="scope">{{ scope.row.date }}</template>
</el-table-column>
<el-table-column property="name" label="姓名" width="120" />
<el-table-column property="address" label="地址" show-overflow-tooltip />
</el-table>
</template>
<script lang="ts" setup>
import { ref, reactive, onMounted } from 'vue'
import { ElTable } from 'element-plus'
const multipleTableRef = ref<any>()
const tableData = [
{
id: '1',
date: '2016-05-03',
name: 'Tom',
address: 'No. 189, Grove St, Los Angeles',
},
{
id: '2',
date: '2016-05-02',
name: 'Tom',
address: 'No. 189, Grove St, Los Angeles',
},
{
id: '3',
date: '2016-05-04',
name: 'Tom',
address: 'No. 189, Grove St, Los Angeles',
},
{
id: '4',
date: '2016-05-01',
name: 'Tom',
address: 'No. 189, Grove St, Los Angeles',
},
]
//部分显示，默认回显 id 为 1 的勾选框
const toggleSelection = (rows: any) => {
console.log( multipleTableRef.value,'值必须不为空');
console.log(rows, 'table全部数据');
const ids = ['1', '2', '4']
if (rows) {
rows.forEach((row: any) => {
if(row.id === '1'){ //单个情况回显
// if (ids.includes(row.id)) { // 判断当前行是否为默认回显行 数组多个数据回显情况
multipleTableRef.value!.toggleRowSelection(row, true) // 默认勾选
} else {
multipleTableRef.value!.toggleRowSelection(row, false) // 不选中
}
})
} else {
multipleTableRef.value!.clearSelection()
}
}
onMounted(() => {
// getTableData()
toggleSelection(tableData)
})
</script>
