<template>
  <a-layout id="components-layout-demo-top-side-2">
    <a-layout-header class="header">
      <div class="logo" />
      <a-menu
          theme="dark"
          mode="horizontal"
          v-model:defaultSelectedKeys="selectedKeys1"
          :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>
      <a-layout-sider width="200" style="background: #ffffff">
        <a-menu
            mode="inline"
            v-model:defaultSelectedKeys="selectedKeys2"
            v-model:openkeys="openkeys"
            :style="{height : '100%' , borderRight: 0}"
        >
          <a-sub-menu key="sub1">
            <template #title>
              <span><user-outlined/>subnav 1</span>
            </template>
            <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-menu>
      </a-layout-sider>

      <a-layout-content :style="{ padding: '0 24px', minHeight: '280px' }">
        Content
      </a-layout-content>

    </a-layout>

    <a-layout-footer style="text-align: center">
       甲蛙电子书
    </a-layout-footer>

  </a-layout>



</template>


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