ant-design/components/tabs/demo/custom-add-trigger.md

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---
order: 11
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title:
zh-CN: 自定义新增页签触发器
en-US: Customized trigger of new tab
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---
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## zh-CN
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隐藏默认的页签增加图标,给自定义触发器绑定事件。
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## en-US
Hide default plus icon, and bind event for customized trigger.
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```jsx
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import { Tabs, Button } from 'antd';
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const { TabPane } = Tabs;
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class Demo extends React.Component {
constructor(props) {
super(props);
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this.newTabIndex = 0;
const panes = new Array(2).fill(null).map((_, index) => {
const id = String(index + 1);
return { title: `Tab ${id}`, content: `Content of Tab Pane ${id}`, key: id };
});
this.state = {
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activeKey: panes[0].key,
panes,
};
}
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onChange = activeKey => {
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this.setState({ activeKey });
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};
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onEdit = (targetKey, action) => {
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this[action](targetKey);
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};
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add = () => {
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const { panes } = this.state;
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const activeKey = `newTab${this.newTabIndex++}`;
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panes.push({ title: 'New Tab', content: 'New Tab Pane', key: activeKey });
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this.setState({ panes, activeKey });
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};
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remove = targetKey => {
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let { activeKey } = this.state;
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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);
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if (panes.length && activeKey === targetKey) {
if (lastIndex >= 0) {
activeKey = panes[lastIndex].key;
} else {
activeKey = panes[0].key;
}
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}
this.setState({ panes, activeKey });
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};
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render() {
return (
<div>
<div style={{ marginBottom: 16 }}>
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<Button onClick={this.add}>ADD</Button>
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</div>
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<Tabs
hideAdd
onChange={this.onChange}
activeKey={this.state.activeKey}
type="editable-card"
onEdit={this.onEdit}
>
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{this.state.panes.map(pane => (
<TabPane tab={pane.title} key={pane.key}>
{pane.content}
</TabPane>
))}
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</Tabs>
</div>
);
}
}
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export default () => <Demo />;
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```