使用AngularJS和PHP的Laravel实现单页评论的方法

  php artisan migrate:make create_comments_table --create=comments

// app/database/migrations/####_##_##_######_create_comments_table.php
...
 
  /**
   * Run the migrations.
   *
   * @return void
   */
  public function up()
  {
    Schema::create('comments', function(Blueprint $table)
    {
      $table->increments('id');
 
      $table->string('text');
      $table->string('author');
 
      $table->timestamps();
    });
  }
...

  php artisan migrate

<?php
 
// app/models/Comment.php
 
class Comment extends Eloquent {
    // let eloquent know that these attributes will be available for mass assignment
  protected $fillable = array('author', 'text'); 
}

<?php
// app/database/seeds/CommentTableSeeder.php
 
class CommentTableSeeder extends Seeder 
{
 
  public function run()
  {
    DB::table('comments')->delete();
 
    Comment::create(array(
      'author' => 'Chris Sevilleja',
      'text' => 'Look I am a test comment.'
    ));
 
    Comment::create(array(
      'author' => 'Nick Cerminara',
      'text' => 'This is going to be super crazy.'
    ));
 
    Comment::create(array(
      'author' => 'Holly Lloyd',
      'text' => 'I am a master of Laravel and Angular.'
    ));
  }
 
}

  // app/database/seeds/DatabaseSeeder.php
...
 
  /**
   * Run the database seeds.
   *
   * @return void
   */
  public function run()
  {
    Eloquent::unguard();
 
    $this->call('CommentTableSeeder');
    $this->command->info('Comment table seeded.');
  }
 
...

 php artisan db:seed

  php artisan controller:make CommentController --only=index,store,destroy

<?php
// app/controllers/CommentController.php
 
class CommentController extends \BaseController {
 
  /**
   * Send back all comments as JSON
   *
   * @return Response
   */
  public function index()
  {
    return Response::json(Comment::get());
  }
 
  /**
   * Store a newly created resource in storage.
   *
   * @return Response
   */
  public function store()
  {
    Comment::create(array(
      'author' => Input::get('author'),
      'text' => Input::get('text')
    ));
 
    return Response::json(array('success' => true));
  }
 
  /**
   * Remove the specified resource from storage.
   *
   * @param int $id
   * @return Response
   */
  public function destroy($id)
  {
    Comment::destroy($id);
 
    return Response::json(array('success' => true));
  }
 
}

<?php
// app/routes.php
 
// =============================================
// HOME PAGE ===================================
// =============================================
Route::get('/', function()
{
  // we dont need to use Laravel Blade
  // we will return a PHP file that will hold all of our Angular content
  // see the "Where to Place Angular Files" below to see ideas on how to structure your app
  return View::make('index'); // will return app/views/index.php
});
 
// =============================================
// API ROUTES ==================================
// =============================================
Route::group(array('prefix' => 'api'), function() {
 
  // since we will be using this just for CRUD, we won't need create and edit
  // Angular will handle both of those forms
  // this ensures that a user can't access api/create or api/edit when there's nothing there
  Route::resource('comments', 'CommentController', 
    array('only' => array('index', 'store', 'destroy')));
});
 
// =============================================
// CATCH ALL ROUTE =============================
// =============================================
// all routes that are not home or api will be redirected to the frontend
// this allows angular to route them
App::missing(function($exception)
{
  return View::make('index');
});

  php artisan routes

// app/routes.php
Route::get('/', function() {
 
  return View::make('index');  
 
});

// app/config/view.php
...
   
  // make laravel look in public/views for view files
  'paths' => array(__DIR__.'/../../public/views'),
 
...

// public/js/services/commentService.js
angular.module('commentService', [])
 
  .factory('Comment', function($http) {
 
    return {
      // get all the comments
      get : function() {
        return $http.get('/api/comments');
      },
 
      // save a comment (pass in comment data)
      save : function(commentData) {
        return $http({
          method: 'POST',
          url: '/api/comments',
          headers: { 'Content-Type' : 'application/x-www-form-urlencoded' },
          data: $.param(commentData)
        });
      },
 
      // destroy a comment
      destroy : function(id) {
        return $http.delete('/api/comments/' + id);
      }
    }
 
  });

// public/js/controllers/mainCtrl.js
angular.module('mainCtrl', [])
 
  // 在控制器中诸如Comment服务
  .controller('mainController', function($scope, $http, Comment) {
    // 持有新评论所有表单数据的对象
    $scope.commentData = {};
 
    // 调用显示加载图标的变量
    $scope.loading = true;
 
    // 先获取所有的评论，然后绑定它们到$scope.comments对象     // 使用服务中定义的函数
    // GET ALL COMMENTS ====================================================
    Comment.get()
      .success(function(data) {
        $scope.comments = data;
        $scope.loading = false;
      });
 
    // 处理提交表单的函数
    // SAVE A COMMENT ======================================================
    $scope.submitComment = function() {
      $scope.loading = true;
 
      // 保存评论。在表单间传递评论
      // 使用在服务中创建的函数
      Comment.save($scope.commentData)
        .success(function(data) {
 
          // 如果成功，我们需要刷新评论列表
          Comment.get()
            .success(function(getData) {
              $scope.comments = getData;
              $scope.loading = false;
            });
 
        })
        .error(function(data) {
          console.log(data);
        });
    };
 
    // 处理删除评论的函数
    // DELETE A COMMENT ====================================================
    $scope.deleteComment = function(id) {
      $scope.loading = true; 
 
      // 使用在服务中创建的函数
      Comment.destroy(id)
        .success(function(data) {
 
          // 如果成功，我们需要刷新评论列表
          Comment.get()
            .success(function(getData) {
              $scope.comments = getData;
              $scope.loading = false;
            });
 
        });
    };
 
  });

// public/js/app.js
var commentApp = angular.module('commentApp', ['mainCtrl', 'commentService']);

<!-- app/views/index.php -->
<!doctype html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Laravel and Angular Comment System</title>
 
  <!-- CSS -->
  <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css"> <!-- load bootstrap via cdn -->
  <link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.min.css"> <!-- load fontawesome -->
  <style>
    body     { padding-top:30px; }
    form     { padding-bottom:20px; }
    .comment   { padding-bottom:20px; }
  </style>
 
  <!-- JS -->
  <script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
  <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.8/angular.min.js"></script> <!-- load angular -->
 
  <!-- ANGULAR -->
  <!-- all angular resources will be loaded from the /public folder -->
    <script src="js/controllers/mainCtrl.js"></script> <!-- load our controller -->
    <script src="js/services/commentService.js"></script> <!-- load our service -->
    <script src="js/app.js"></script> <!-- load our application -->
 
</head>
<!-- declare our angular app and controller -->
<body ng-app="commentApp" ng-controller="mainController">
<div class="col-md-8 col-md-offset-2">
 
  <!-- PAGE TITLE =============================================== -->
  <div>
    <h2>Laravel and Angular Single Page Application</h2>
    <h4>Commenting System</h4>
  </div>
 
  <!-- NEW COMMENT FORM =============================================== -->
  <form ng-submit="submitComment()"> <!-- ng-submit will disable the default form action and use our function -->
 
    <!-- AUTHOR -->
    <div>
      <input type="text" class="form-control input-sm" name="author" ng-model="commentData.author" placeholder="Name">
    </div>
 
    <!-- COMMENT TEXT -->
    <div>
      <input type="text" class="form-control input-lg" name="comment" ng-model="commentData.text" placeholder="Say what you have to say">
    </div>
     
    <!-- SUBMIT BUTTON -->
    <div class="form-group text-right">  
      <button type="submit" class="btn btn-primary btn-lg">Submit</button>
    </div>
  </form>
 
  <!-- LOADING ICON =============================================== -->
  <!-- show loading icon if the loading variable is set to true -->
  <p ng-show="loading"><span class="fa fa-meh-o fa-5x fa-spin"></span></p>
 
  <!-- THE COMMENTS =============================================== -->
  <!-- hide these comments if the loading variable is true -->
  <div ng-hide="loading" ng-repeat="comment in comments">
    <h3>Comment #{{ comment.id }} <small>by {{ comment.author }}</h3>
    <p>{{ comment.text }}</p>
 
    <p><a href="#" ng-click="deleteComment(comment.id)">Delete</a></p>
  </div>
 
</div>
</body>
</html>