---
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.
```jsx
import { Tabs } from 'antd';
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,
},
];
class Demo extends React.Component {
newTabIndex = 0;
state = {
activeKey: initialPanes[0].key,
panes: initialPanes,
};
onChange = activeKey => {
this.setState({ activeKey });
};
onEdit = (targetKey, action) => {
this[action](targetKey);
};
add = () => {
const { panes } = this.state;
const activeKey = `newTab${this.newTabIndex++}`;
const newPanes = [...panes];
newPanes.push({ title: 'New Tab', content: 'Content of new Tab', key: activeKey });
this.setState({
panes: newPanes,
activeKey,
});
};
remove = targetKey => {
const { panes, activeKey } = this.state;
let newActiveKey = activeKey;
let lastIndex;
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;
}
}
this.setState({
panes: newPanes,
activeKey: newActiveKey,
});
};
render() {
const { panes, activeKey } = this.state;
return (
{panes.map(pane => (
{pane.content}
))}
);
}
}
ReactDOM.render(, mountNode);
```