cjd-parkball/src/components/layout/demo/fixed-sider.md

> 中后台业务组件库，中后台就像公园，进入需要买门票（登录），所以以 Parkball(公园球) 命名，公园内必定捕获！作为一个组件库，提供使用方法文档，方便开发者的调用

---
category: 2
iframe: 360
title: 固定侧边栏
title_en: Fixed Sider
---

 zh-CN

当内容较长时，使用固定侧边栏可以提供更好的体验。

 en-US

When dealing with long content, a fixed sider can provide a better user experience.

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

const { Header, Content, Footer, Sider } = Layout;

ReactDOM.render(
  <Layout>
    <Sider style={{ overflow: 'auto', height: '100vh', position: 'fixed', left: 0 }}>
      <div className="logo" />
      <Menu theme="dark" mode="inline" defaultSelectedKeys={['4']}>
        <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.Item key="4">
          <Icon type="bar-chart" />
          <span className="nav-text">nav 4</span>
        </Menu.Item>
        <Menu.Item key="5">
          <Icon type="cloud-o" />
          <span className="nav-text">nav 5</span>
        </Menu.Item>
        <Menu.Item key="6">
          <Icon type="appstore-o" />
          <span className="nav-text">nav 6</span>
        </Menu.Item>
        <Menu.Item key="7">
          <Icon type="team" />
          <span className="nav-text">nav 7</span>
        </Menu.Item>
        <Menu.Item key="8">
          <Icon type="shop" />
          <span className="nav-text">nav 8</span>
        </Menu.Item>
      </Menu>
    </Sider>
    <Layout style={{ marginLeft: 200 }}>
      <Header style={{ background: '#fff', padding: 0 }} />
      <Content style={{ margin: '24px 16px 0', overflow: 'initial' }}>
        <div style={{ padding: 24, background: '#fff', textAlign: 'center' }}>
          ...
          <br />
          Really
          <br />...<br />...<br />...<br />
          long
          <br />...<br />...<br />...<br />...<br />...<br />...
          <br />...<br />...<br />...<br />...<br />...<br />...
          <br />...<br />...<br />...<br />...<br />...<br />...
          <br />...<br />...<br />...<br />...<br />...<br />...
          <br />...<br />...<br />...<br />...<br />...<br />...
          <br />...<br />...<br />...<br />...<br />...<br />...
          <br />...<br />...<br />...<br />...<br />...<br />
          content
        </div>
      </Content>
      <Footer style={{ textAlign: 'center' }}>
        Ant Design ©2018 Created by Ant UED
      </Footer>
    </Layout>
  </Layout>,
  mountNode);
````

````css
#components-layout-demo-fixed-sider .logo {
  height: 32px;
  background: rgba(255,255,255,.2);
  margin: 16px;
}
````