<cn>
#### 顶部-侧边布局
拥有顶部导航及侧边栏的页面，多用于展示类网站。
</cn>

<us>
#### Header-Sider
Both the top navigation and the sidebar, commonly used in documentation site.
</us>

```html
<template>
  <a-layout id="components-layout-demo-top-side">
    <a-layout-header class="header">
      <div class="logo" />
      <a-menu
        theme="dark"
        mode="horizontal"
        :defaultSelectedKeys="['2']"
        :style="{ lineHeight: '64px' }"
      >
        <a-menu-item key="1">nav 1</a-menu-item>
        <a-menu-item key="2">nav 2</a-menu-item>
        <a-menu-item key="3">nav 3</a-menu-item>
      </a-menu>
    </a-layout-header>
    <a-layout-content style="padding: 0 50px">
      <a-breadcrumb style="margin: 16px 0">
        <a-breadcrumb-item>Home</a-breadcrumb-item>
        <a-breadcrumb-item>List</a-breadcrumb-item>
        <a-breadcrumb-item>App</a-breadcrumb-item>
      </a-breadcrumb>
      <a-layout style="padding: 24px 0; background: #fff">
        <a-layout-sider width="200" style="background: #fff">
          <a-menu
            mode="inline"
            :defaultSelectedKeys="['1']"
            :defaultOpenKeys="['sub1']"
            style="height: 100%"
          >
            <a-sub-menu key="sub1">
              <span slot="title"><a-icon type="user" />subnav 1</span>
              <a-menu-item key="1">option1</a-menu-item>
              <a-menu-item key="2">option2</a-menu-item>
              <a-menu-item key="3">option3</a-menu-item>
              <a-menu-item key="4">option4</a-menu-item>
            </a-sub-menu>
            <a-sub-menu key="sub2">
              <span slot="title"><a-icon type="laptop" />subnav 2</span>
              <a-menu-item key="5">option5</a-menu-item>
              <a-menu-item key="6">option6</a-menu-item>
              <a-menu-item key="7">option7</a-menu-item>
              <a-menu-item key="8">option8</a-menu-item>
            </a-sub-menu>
            <a-sub-menu key="sub3">
              <span slot="title"><a-icon type="notification" />subnav 3</span>
              <a-menu-item key="9">option9</a-menu-item>
              <a-menu-item key="10">option10</a-menu-item>
              <a-menu-item key="11">option11</a-menu-item>
              <a-menu-item key="12">option12</a-menu-item>
            </a-sub-menu>
          </a-menu>
        </a-layout-sider>
        <a-layout-content :style="{ padding: '0 24px', minHeight: '280px' }">
          Content
        </a-layout-content>
      </a-layout>
    </a-layout-content>
    <a-layout-footer style="text-align: center">
      Ant Design ©2018 Created by Ant UED
    </a-layout-footer>
  </a-layout>
</template>

<style>
#components-layout-demo-top-side .logo {
  width: 120px;
  height: 31px;
  background: rgba(255,255,255,.2);
  margin: 16px 28px 16px 0;
  float: left;
}
</style>
```
