--- order: 3 title: en-US: Selection and operation zh-CN: 选择和操作 --- ## zh-CN 选择后进行操作,完成后清空选择,通过 `rowSelection.selectedRowKeys` 来控制选中项。 ## en-US To perform operations and clear selections after selecting some rows, use `rowSelection.selectedRowKeys` to control selected rows. ```tsx import React, { useState } from 'react'; import { Table, Button } from 'antd'; import type { ColumnsType } from 'antd/lib/table'; interface DataType { key: React.Key; name: string; age: number; address: string; } const columns: ColumnsType = [ { title: 'Name', dataIndex: 'name', }, { title: 'Age', dataIndex: 'age', }, { title: 'Address', dataIndex: 'address', }, ]; const data: DataType[] = []; for (let i = 0; i < 46; i++) { data.push({ key: i, name: `Edward King ${i}`, age: 32, address: `London, Park Lane no. ${i}`, }); } const App: React.FC = () => { const [selectedRowKeys, setSelectedRowKeys] = useState([]); const [loading, setLoading] = useState(false); const start = () => { setLoading(true); // ajax request after empty completing setTimeout(() => { setSelectedRowKeys([]); setLoading(false); }, 1000); }; const onSelectChange = (newSelectedRowKeys: React.Key[]) => { console.log('selectedRowKeys changed: ', selectedRowKeys); setSelectedRowKeys(newSelectedRowKeys); }; const rowSelection = { selectedRowKeys, onChange: onSelectChange, }; const hasSelected = selectedRowKeys.length > 0; return (
{hasSelected ? `Selected ${selectedRowKeys.length} items` : ''}
); }; export default App; ```