--- order: 9 title: zh-CN: 新增和关闭页签 en-US: Add & close tab --- ## zh-CN 只有卡片样式的页签支持新增和关闭选项。使用 `closable={false}` 禁止关闭。 ## en-US Only card type Tabs support adding & closable. +Use `closable={false}` to disable close. ```tsx import { Tabs } from 'antd'; import React, { useRef, useState } from 'react'; const { TabPane } = Tabs; const initialPanes = [ { title: 'Tab 1', content: 'Content of Tab 1', key: '1' }, { title: 'Tab 2', content: 'Content of Tab 2', key: '2' }, { title: 'Tab 3', content: 'Content of Tab 3', key: '3', closable: false, }, ]; const App: React.FC = () => { const [activeKey, setActiveKey] = useState(initialPanes[0].key); const [panes, setPanes] = useState(initialPanes); const newTabIndex = useRef(0); const onChange = (newActiveKey: string) => { setActiveKey(newActiveKey); }; const add = () => { const newActiveKey = `newTab${newTabIndex.current++}`; const newPanes = [...panes]; newPanes.push({ title: 'New Tab', content: 'Content of new Tab', key: newActiveKey }); setPanes(newPanes); setActiveKey(newActiveKey); }; const remove = (targetKey: string) => { let newActiveKey = activeKey; let lastIndex = -1; panes.forEach((pane, i) => { if (pane.key === targetKey) { lastIndex = i - 1; } }); const newPanes = panes.filter(pane => pane.key !== targetKey); if (newPanes.length && newActiveKey === targetKey) { if (lastIndex >= 0) { newActiveKey = newPanes[lastIndex].key; } else { newActiveKey = newPanes[0].key; } } setPanes(newPanes); setActiveKey(newActiveKey); }; const onEdit = (targetKey: string, action: 'add' | 'remove') => { if (action === 'add') { add(); } else { remove(targetKey); } }; return ( {panes.map(pane => ( {pane.content} ))} ); }; export default App; ```