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<docs>
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---
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order: 3
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title:
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en-US: Selection and operation
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zh-CN: 选择和操作
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---
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## zh-CN
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选择后进行操作，完成后清空选择，通过 `rowSelection.selectedRowKeys` 来控制选中项。
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## en-US
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To perform operations and clear selections after selecting some rows, use `rowSelection.selectedRowKeys` to control selected rows.
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</docs>
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<template>
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<div>
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<div style="margin-bottom: 16px">
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<a-button type="primary" :disabled="!hasSelected" :loading="loading" @click="start">
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Reload
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</a-button>
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<span style="margin-left: 8px">
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<template v-if="hasSelected">
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{{ `Selected ${selectedRowKeys.length} items` }}
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</template>
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</span>
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</div>
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<a-table
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:row-selection="{ selectedRowKeys: selectedRowKeys, onChange: onSelectChange }"
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:columns="columns"
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:data-source="data"
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/>
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</div>
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</template>
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<script lang="ts">
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import { computed, defineComponent, reactive, toRefs } from 'vue';
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type Key = string | number;
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interface DataType {
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key: Key;
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name: string;
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age: number;
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address: string;
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}
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const columns = [
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{
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title: 'Name',
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dataIndex: 'name',
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},
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{
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title: 'Age',
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dataIndex: 'age',
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},
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{
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title: 'Address',
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dataIndex: 'address',
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},
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];
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const data: DataType[] = [];
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for (let i = 0; i < 46; i++) {
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data.push({
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key: i,
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name: `Edward King ${i}`,
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age: 32,
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address: `London, Park Lane no. ${i}`,
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});
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}
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export default defineComponent({
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setup() {
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const state = reactive<{
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selectedRowKeys: Key[];
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loading: boolean;
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}>({
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selectedRowKeys: [], // Check here to configure the default column
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loading: false,
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});
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const hasSelected = computed(() => state.selectedRowKeys.length > 0);
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const start = () => {
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state.loading = true;
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// ajax request after empty completing
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setTimeout(() => {
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state.loading = false;
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state.selectedRowKeys = [];
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}, 1000);
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};
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const onSelectChange = (selectedRowKeys: Key[]) => {
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console.log('selectedRowKeys changed: ', selectedRowKeys);
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state.selectedRowKeys = selectedRowKeys;
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};
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return {
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data,
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columns,
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hasSelected,
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...toRefs(state),
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// func
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start,
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onSelectChange,
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};
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},
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});
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</script>
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