--- order: 11 title: zh-CN: 自定义新增页签触发器 en-US: Customized trigger of new tab --- ## zh-CN 隐藏默认的页签增加图标,给自定义触发器绑定事件。 ## en-US Hide default plus icon, and bind event for customized trigger. ````jsx import { Tabs, Button } from 'antd'; const TabPane = Tabs.TabPane; const Demo = React.createClass({ getInitialState() { this.newTabIndex = 0; const panes = [ { title: 'Tab 1', content: 'Content of Tab Pane 1', key: '1' }, { title: 'Tab 2', content: 'Content of Tab Pane', 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: 'New Tab Pane', 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); ````