--- order: 9 title: 新增和关闭页签 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。 ## en-US Only card type Tabs support adding & closeable. ````jsx import { Tabs } from 'antd'; const TabPane = Tabs.TabPane; const Demo = React.createClass({ getInitialState() { this.newTabIndex = 0; const panes = [ { title: 'Tab 1', content: 'Content of Tab 1', key: '1' }, { title: 'Tab 2', content: 'Content of Tab 2', key: '2' }, ]; return { activeKey: panes[0].key, panes, }; }, onChange(activeKey) { this.setState({ activeKey }); }, onEdit(targetKey, action) { this[action](targetKey); }, add() { const panes = this.state.panes; const activeKey = `newTab${this.newTabIndex++}`; panes.push({ title: 'New Tab', content: 'Content of new Tab', key: activeKey }); this.setState({ panes, activeKey }); }, remove(targetKey) { let activeKey = this.state.activeKey; let lastIndex; this.state.panes.forEach((pane, i) => { if (pane.key === targetKey) { lastIndex = i - 1; } }); const panes = this.state.panes.filter(pane => pane.key !== targetKey); if (lastIndex >= 0 && activeKey === targetKey) { activeKey = panes[lastIndex].key; } this.setState({ panes, activeKey }); }, render() { return ( {this.state.panes.map(pane => {pane.content})} ); }, }); ReactDOM.render(, mountNode); ````