ant-design/components/layout/demo/fixed.md

---
order: 6
iframe: 360
title:
  zh-CN: 固定头部
  en-US: Fixed Header
---

## zh-CN

一般用于固定顶部导航，方便页面切换。

## en-US

Fixed Header is generally used to fix the top navigation to facilitate page switching.

```jsx
import { Layout, Menu, Breadcrumb } from 'antd';

const { Header, Content, Footer } = Layout;

ReactDOM.render(
  <Layout>
    <Header style={{ position: 'fixed', zIndex: 1, width: '100%' }}>
      <div className="logo" />
      <Menu
        theme="dark"
        mode="horizontal"
        defaultSelectedKeys={['2']}
      >
        <Menu.Item key="1">nav 1</Menu.Item>
        <Menu.Item key="2">nav 2</Menu.Item>
        <Menu.Item key="3">nav 3</Menu.Item>
      </Menu>
    </Header>
    <Content className="site-layout" style={{ padding: '0 50px', marginTop: 64 }}>
      <Breadcrumb style={{ margin: '16px 0' }}>
        <Breadcrumb.Item>Home</Breadcrumb.Item>
        <Breadcrumb.Item>List</Breadcrumb.Item>
        <Breadcrumb.Item>App</Breadcrumb.Item>
      </Breadcrumb>
      <div className="site-layout-background" style={{ padding: 24, minHeight: 380 }}>
        Content
      </div>
    </Content>
    <Footer style={{ textAlign: 'center' }}>Ant Design ©2018 Created by Ant UED</Footer>
  </Layout>,
  mountNode,
);
```

```css
#components-layout-demo-fixed .logo {
  width: 120px;
  height: 31px;
  background: rgba(255, 255, 255, 0.2);
  margin: 16px 24px 16px 0;
  float: left;
}
.site-layout .site-layout-background {
  background: #fff;
}
```

<style>
[data-theme="dark"] .site-layout .site-layout-background {
  background: #141414;
}
</style>