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

---
order: 3
title:
  zh-CN: 侧边布局
  en-US: Sider
---

## zh-CN

多用在两列式布局。

## en-US

Be used in the two-columns layout.

````jsx
import { Layout, Menu, Breadcrumb, Icon } from 'antd';
const { Header, Content, Footer, Sider } = Layout;
const SubMenu = Menu.SubMenu;

class SiderDemo extends React.Component {
  state = {
    collapsed: false,
    mode: 'inline',
  };
  onCollapse = (collapsed) => {
    console.log(collapsed);
    this.setState({
      collapsed,
      mode: collapsed ? 'vertical' : 'inline',
    });
  }
  render() {
    return (
      <Layout>
        <Sider
          collapsible
          collapsed={this.state.collapsed}
          onCollapse={this.onCollapse}
        >
          <div className="logo" />
          <Menu theme="dark" mode={this.state.mode} defaultSelectedKeys={['6']}>
            <SubMenu
              key="sub1"
              title={<span><Icon type="user" /><span className="nav-text">User</span></span>}
            >
              <Menu.Item key="1">Tom</Menu.Item>
              <Menu.Item key="2">Bill</Menu.Item>
              <Menu.Item key="3">Alex</Menu.Item>
            </SubMenu>
            <SubMenu
              key="sub2"
              title={<span><Icon type="team" /><span className="nav-text">Team</span></span>}
            >
              <Menu.Item key="4">Team 1</Menu.Item>
              <Menu.Item key="5">Team 2</Menu.Item>
            </SubMenu>
            <Menu.Item key="6">
              <span>
                <Icon type="file" />
                <span className="nav-text">File</span>
              </span>
            </Menu.Item>
          </Menu>
        </Sider>
        <Layout>
          <Header style={{ background: '#fff', padding: 0 }} />
          <Content style={{ margin: '0 16px' }}>
            <Breadcrumb style={{ margin: '12px 0' }}>
              <Breadcrumb.Item>User</Breadcrumb.Item>
              <Breadcrumb.Item>Bill</Breadcrumb.Item>
            </Breadcrumb>
            <div style={{ padding: 24, background: '#fff', minHeight: 360 }}>
              Bill is a cat.
            </div>
          </Content>
          <Footer style={{ textAlign: 'center' }}>
            Ant Design ©2016 Created by Ant UED
          </Footer>
        </Layout>
      </Layout>
    );
  }
}

ReactDOM.render(<SiderDemo />, mountNode);
````

````css
#components-layout-demo-side .logo {
  height: 32px;
  background: #333;
  border-radius: 6px;
  margin: 16px;
}

#components-layout-demo-side .ant-layout-sider-collapsed .anticon {
  font-size: 16px;
  margin-left: 8px;
}

#components-layout-demo-side .ant-layout-sider-collapsed .nav-text {
  display: none;
}

#components-layout-demo-side .ant-layout-sider-collapsed .ant-menu-submenu-vertical > .ant-menu-submenu-title:after {
  display: none;
}
````