Laravel框架学习(视图模板引擎)

1. 模板继承

//layouts.blade.php
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>哈哈 @yield('title')</title>
    <style type="text/css">
      .header {
        height: 80px;
        background: red;
      }
      .sidebar {
        height: 100px;
        background: green;
      }
      .content {
        height: 100px;
        background: yellow;
      }
      .footer {
        height: 80px;
        background: red;
      }
    </style>
  </head>
  <body>
    <div class="header">
      @section('header')
        头部
      @show
    </div>
    <div class="sidebar">
      @section('sidebar')
        侧边栏
      @show
    </div>
    <div class="content">
      @yield('content','主要内容区域')
    </div>
    <div class="footer">
      @section('footer')
        底部
      @show
    </div>
  </body>
</html>

//student/section1.blade.php
@extends('layouts')
@section('header')
  @parent
  喀喀喀
@stop
@section('content')
  content
@stop

class StudentController extends Controller
{
  public function index()
  {
    return view('student.section1');
  }
}

2. 基础语法及include的使用

//student/section1.blade.php
@extends('layouts')
@section('header')
  @parent
  喀喀喀
@stop
@section('content')
  content <!-- 1.模板中输出PHP变量 -->
  {{ $name }}
  <!-- 2.调用PHP代码 -->
  {{ time() }}
  {{ isset($laravel) ? $laravel : 'default' }}
  <!-- 3.原样输出 -->
  @{{ $name }}
  {{-- 4.模板注释 --}}
  <!-- 引入子视图 -->
  @include('student.common1')
@stop

1	//common1.blade.php <p>I am Include {{$name}}</p>

3. 流程控制

@extends('layouts')
@section('header')
  @parent
  喀喀喀
@stop
@section('content')
  content
  @if ($name=='Leroi')
    I am Leroi
  @elseif($name=="llL")
    I am llL
  @else
    who am I?
  @endif
  @if (isset($kaka))
    yes
  @else
    no
  @endif
  @unless($name!='Leroi')
    {{ $name }}
  @endunless
  @for ($i = 0;$i<10;$i++)
    {{ $i }}
  @endfor
  @foreach ($students as $student)
    {{ $student->name }}
  @endforeach
  @forelse($students as $student)
    {{ $student->name }}
  @empty
    null
  @endforelse
@stop

4. 模板中的URL

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<a href="{{url('studenttest')}}">url</a>
<a href="{{action('StudentController@index')}}">action</a>
<a href="{{route('studenttest')}}">route</a>

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