4dkankan-components/docs/examples-bk/table/multi-select.vue

<template>
    <el-table ref="multipleTableRef" :data="tableData" style="width: 100%" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" />
        <el-table-column label="Date" width="120">
            <template #default="scope">{{ scope.row.date }}</template>
        </el-table-column>
        <el-table-column property="name" label="Name" width="120" />
        <el-table-column property="address" label="Address" show-overflow-tooltip />
    </el-table>
    <div style="margin-top: 20px">
        <el-button @click="toggleSelection([tableData[1], tableData[2]])">Toggle selection status of second and third rows</el-button>
        <el-button @click="toggleSelection()">Clear selection</el-button>
    </div>
</template>

<script lang="ts" setup>
import { ref } from 'vue'
import type { ElTable } from 'element-plus'

interface User {
    date: string
    name: string
    address: string
}

const multipleTableRef = ref<InstanceType<typeof ElTable>>()
const multipleSelection = ref<User[]>([])
const toggleSelection = (rows?: User[]) => {
    if (rows) {
        rows.forEach(row => {
            // TODO: improvement typing when refactor table
            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
            // @ts-expect-error
            multipleTableRef.value!.toggleRowSelection(row, undefined)
        })
    } else {
        multipleTableRef.value!.clearSelection()
    }
}
const handleSelectionChange = (val: User[]) => {
    multipleSelection.value = val
}

const tableData: User[] = [
    {
        date: '2016-05-03',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
    },
    {
        date: '2016-05-02',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
    },
    {
        date: '2016-05-04',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
    },
    {
        date: '2016-05-01',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
    },
    {
        date: '2016-05-08',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
    },
    {
        date: '2016-05-06',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
    },
    {
        date: '2016-05-07',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
    },
]
</script>