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# 优化前端 本章的后端逻辑代码到这里就结束了,现在的前端页面不难看,但是也不好看,由于我们是要打造一款类似微博功能的网站,恰好今日看到 twitter 更新了 UI,布局简洁值得模仿,由下图为例,我们尽可能的还原 twitter。 ![eMfWYd.png](https://s2.ax1x.com/2019/07/27/eMfWYd.png) ## 整体布局 由于上图中的布局呈 左-中-右 的形式,所以我们需要把默认布局更改为三栏。 `resources\views\_layout\default.blade.php` ~~~html ... <body> <div class="container mt-5"> <div class="row"> <div class="col"> @include('_layout.header') </div> <div class="col-6"> <ul class="list-group"> <li class="list-group-item"> <a onclick="window.history.go(-1); return false;" class="btn btn-light" aria-label="Previous"> <span aria-hidden="true">&laquo;</span> </a> @yield('title') </li> <li class="list-group-item"> @yield('content') </li> </ul> </div> <div class="col"> @include('_layout.footer') </div> </div> </div> ... ~~~ 修改侧栏布局 `resources\views\_layout\header.blade.php` ~~~html <header> <nav class="nav flex-column"> <ul class="list-group list-group-flush"> <li class="list-group-item list-group-item-action"> <a class="nav-link" href="{{ url('welcome/index/home') }}"> 主页 </a> </li> <li class="list-group-item list-group-item-action"> <a class="nav-link" href="{{ url('user/auth/index') }}"> 所有用户 </a> </li> @if(session('user')) <li class="list-group-item list-group-item-action"> <a class="nav-link" href="{{ url('user/auth/index') }}"> 个人资料 </a> </li> <li class="list-group-item list-group-item-action"> <div class="dropdown"> <a class="nav-link dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false" href="">更多</a> <div class="dropdown-menu" aria-labelledby="dropdownMenuButton"> <a class="dropdown-item"> <form action="{{ url('user/session/delete', ['id' => session('user.id')]) }}" method="POST"> @php echo token() @endphp <button class="btn btn-block" type="submit" name="button">退出</button> </form> </a> </div> </div> </li> @else <a class="btn btn-outline-success my-2 my-sm-0" href="{{ url('user/auth/create') }}"> 注册 </a> <a class="btn btn-outline-success my-2 my-sm-0" href="{{ url('user/session/create') }}"> 登录 </a> @endif </ul> </nav> </header> ~~~ 创建样式表文件 `public\static\css\app.css` ~~~css .pagination li:first-child { margin-left: 0; border-top-left-radius: 0.25rem; border-bottom-left-radius: 0.25rem; } .pagination li { position: relative; display: block; padding: 0.5rem 0.75rem; margin-left: -1px; line-height: 1.25; color: #007bff; background-color: #fff; border: 1px solid #dee2e6; } ~~~ 全部保存后,刷新页面,可以看到整体的布局已经非常接近了,细节方面存在瑕疵,我们将会在后面的章节中持续优化。