PHP应用：Laravel 5 框架入门（二）构建 Pages 的管理功能

@extends('app')
@section('content')
<div class="container">
 <div class="row">
  <div class="col-md-10 col-md-offset-1">
   <div class="panel panel-default">
    <div class="panel-heading">后台首页</div>
    <div class="panel-body">
    <a href="{{ URL('admin/pages/create') }}" class="btn btn-lg btn-primary">新增</a>
     @foreach ($pages as $page)
      <hr>
      <div class="page">
       <h4>{{ $page->title }}</h4>
       <div class="content">
        <p>
         {{ $page->body }}
        </p>
       </div>
      </div>
      <a href="{{ URL('admin/pages/'.$page->id.'/edit') }}" class="btn btn-success">编辑</a>
      <form action="{{ URL('admin/pages/'.$page->id) }}" method="POST" style="display: inline;">
       <input name="_method" type="hidden" value="DELETE">
       <input type="hidden" name="_token" value="{{ csrf_token() }}">
       <button type="submit" class="btn btn-danger">删除</button>
      </form>
     @endforeach
    </div>
   </div>
  </div>
 </div>
</div>
@endsection

<?php namespace App\Http\Controllers\Admin;
use App\Http\Requests;
use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Page;
use Redirect, Input, Auth;
class PagesController extends Controller {
 /**
 * Show the form for creating a new resource.
 *
 * @return Response
 */
 public function create()
 {
 return view('admin.pages.create');
 }
 /**
 * Store a newly created resource in storage.
 *
 * @return Response
 */
 public function store(Request $request)
 {
 $this->validate($request, [
  'title' => 'required|unique:pages|max:255',
  'body' => 'required',
 ]);
 $page = new Page;
 $page->title = Input::get('title');
 $page->body = Input::get('body');
 $page->user_id = 1;//Auth::user()->id;
 if ($page->save()) {
  return Redirect::to('admin');
 } else {
  return Redirect::back()->withInput()->withErrors('保存失败!');
 }
 }
 /**
 * Show the form for editing the specified resource.
 *
 * @param int $id
 * @return Response
 */
 public function edit($id)
 {
 return view('admin.pages.edit')->withPage(Page::find($id));
 }
 /**
 * Update the specified resource in storage.
 *
 * @param int $id
 * @return Response
 */
 public function update(Request $request,$id)
 {
 $this->validate($request, [
  'title' => 'required|unique:pages,title,'.$id.'|max:255',
  'body' => 'required',
 ]);
 $page = Page::find($id);
 $page->title = Input::get('title');
 $page->body = Input::get('body');
 $page->user_id = 1;//Auth::user()->id;
 if ($page->save()) {
  return Redirect::to('admin');
 } else {
  return Redirect::back()->withInput()->withErrors('保存失败!');
 }
 }
 /**
 * Remove the specified resource from storage.
 *
 * @param int $id
 * @return Response
 */
 public function destroy($id)
 {
 $page = Page::find($id);
 $page->delete();
 return Redirect::to('admin');
 }
}

@extends('app')
@section('content')
<div class="container">
 <div class="row">
  <div class="col-md-10 col-md-offset-1">
   <div class="panel panel-default">
    <div class="panel-heading">新增 Page</div>
    <div class="panel-body">
     @if (count($errors) > 0)
      <div class="alert alert-danger">
       <strong>Whoops!</strong> There were some problems with your input.<br><br>
       <ul>
        @foreach ($errors->all() as $error)
         <li>{{ $error }}</li>
        @endforeach
       </ul>
      </div>
     @endif
     <form action="{{ URL('admin/pages') }}" method="POST">
      <input type="hidden" name="_token" value="{{ csrf_token() }}">
      <input type="text" name="title" class="form-control" required="required">
      <br>
      <textarea name="body" rows="10" class="form-control" required="required"></textarea>
      <br>
      <button class="btn btn-lg btn-info">新增 Page</button>
     </form>
    </div>
   </div>
  </div>
 </div>
</div>
@endsection

@extends('app')
@section('content')
<div class="container">
 <div class="row">
  <div class="col-md-10 col-md-offset-1">
   <div class="panel panel-default">
    <div class="panel-heading">编辑 Page</div>
    <div class="panel-body">
     @if (count($errors) > 0)
      <div class="alert alert-danger">
       <strong>Whoops!</strong> There were some problems with your input.<br><br>
       <ul>
        @foreach ($errors->all() as $error)
         <li>{{ $error }}</li>
        @endforeach
       </ul>
      </div>
     @endif
     <form action="{{ URL('admin/pages/'.$page->id) }}" method="POST">
      <input name="_method" type="hidden" value="PUT">
      <input type="hidden" name="_token" value="{{ csrf_token() }}">
      <input type="text" name="title" class="form-control" required="required" value="{{ $page->title }}">
      <br>
      <textarea name="body" rows="10" class="form-control" required="required">{{ $page->body }}</textarea>
      <br>
      <button class="btn btn-lg btn-info">编辑 Page</button>
     </form>
    </div>
   </div>
  </div>
 </div>
</div>
@endsection