第十一课 布局后台管理页面的头部

一、编写头部AppHeader/index.vue

<div class="header">
    <a href="/" style="padding-left: 30px">
      <img src="@/assets/logo.png" class="logo" />
      <span class="title">后台管理系统</span>
    </a>
    <el-dropdown>
      <span class="el-dropdown-link">
        下拉菜单<i class="el-icon-arrow-down el-icon--right"></i>
      </span>
      <el-dropdown-menu slot="dropdown">
        <el-dropdown-item icon="el-icon-edit">修改密码</el-dropdown-item>
        <el-dropdown-item icon="el-icon-user">退出系统</el-dropdown-item>
      </el-dropdown-menu>
    </el-dropdown>
</div>

.logo {
  border-radius: 5px;
  vertical-align: middle;
  width: 25px;
}
.title {
  position: absolute;
  color: #fff;
  padding-left: 5px;
  font-size: 18px;
}
.el-dropdown-link{
  color: #fff;
  cursor: pointer;
}
.el-icon-arrow-down{
  font-size: 12px;
}
.el-dropdown{
  float:right;
  margin-right: 30px;
}