ant-design/components/layout/demo/custom-trigger.md

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---
order: 4
title:
zh-CN: 自定义触发器
en-US: Custom trigger
---
## zh-CN
要使用自定义触发器,可以设置 `trigger={null}` 来隐藏默认设定。
## en-US
If you want to use a customized trigger, you can hide the default one by setting `trigger={null}`.
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````jsx
import { Layout, Menu, Icon } from 'antd';
const { Header, Sider, Content } = Layout;
class SiderDemo extends React.Component {
state = {
collapsed: false,
};
toggle = () => {
this.setState({
collapsed: !this.state.collapsed,
});
}
render() {
return (
<Layout>
<Sider
trigger={null}
collapsible
collapsed={this.state.collapsed}
>
<div className="logo" />
<Menu theme="dark" mode="inline" defaultSelectedKeys={['1']}>
<Menu.Item key="1">
<Icon type="user" />
<span className="nav-text">nav 1</span>
</Menu.Item>
<Menu.Item key="2">
<Icon type="video-camera" />
<span className="nav-text">nav 2</span>
</Menu.Item>
<Menu.Item key="3">
<Icon type="upload" />
<span className="nav-text">nav 3</span>
</Menu.Item>
</Menu>
</Sider>
<Layout>
<Header style={{ background: '#fff', padding: 0 }}>
<Icon
className="trigger"
type={this.state.collapsed ? 'menu-unfold' : 'menu-fold'}
onClick={this.toggle}
/>
</Header>
<Content style={{ margin: '24px 16px', padding: 24, background: '#fff', minHeight: 280 }}>
Content
</Content>
</Layout>
</Layout>
);
}
}
ReactDOM.render(<SiderDemo />, mountNode);
````
````css
#components-layout-demo-custom-trigger .trigger {
font-size: 18px;
line-height: 64px;
padding: 0 16px;
cursor: pointer;
transition: color .3s;
}
#components-layout-demo-custom-trigger .trigger:hover {
color: #108ee9;
}
#components-layout-demo-custom-trigger .logo {
height: 32px;
background: #333;
border-radius: 6px;
margin: 16px;
}
#components-layout-demo-custom-trigger .ant-layout-sider-collapsed .anticon {
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font-size: 16px;
}
#components-layout-demo-custom-trigger .ant-layout-sider-collapsed .nav-text {
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display: none;
}
````