Route::get(‘/‘, function(){    return ‘Hello World‘;});

Route::filter(‘old‘, function()//这是一个filter{    if (Input::get(‘age‘) < 200)    {        return Redirect::to(‘home‘);    }});Route::get(‘user/profile‘, 
　　　　　　 array(

　　　　　　‘as‘ => ‘profile‘,//路由名字

　　　　　　‘before‘ => ‘auth|old‘,//多个filter
　　　　　  ‘uses‘ => ‘UserController@showProfile‘));//controller 和action

<?php/* 模型绑定 */Route::model(‘post‘, ‘Post‘);Route::model(‘comment‘, ‘Comment‘);/* 匿名用户可以访问的路由 */Route::get(‘/post/{post}/show‘, [‘as‘ => ‘post.show‘, ‘uses‘ => ‘PostController@showPost‘]);Route::post(‘/post/{post}/comment‘, [‘as‘ => ‘comment.new‘, ‘uses‘ => ‘CommentController@newComment‘]);/* 管理群组路由需要认证 */Route::group([‘prefix‘ => ‘admin‘, ‘before‘ => ‘auth‘], function () {    /*get routes    Route::get(‘/‘, [‘use‘=>‘PostController@showIndex‘]);    */    Route::get(‘/‘, function () {        $layout = View::make(‘shared.layout‘);        $layout->title = ‘DashBoard‘;        $username = Auth::user()->username;        $layout->main = View::make(‘post.index‘);        return $layout;    });    Route::get(‘/post/list‘, [‘as‘ => ‘post.list‘, ‘uses‘ => ‘PostController@listPost‘]);    Route::get(‘/post/new‘, [‘as‘ => ‘post.new‘, ‘uses‘ => ‘PostController@newPost‘]);    /* 模型绑定 */    Route::get(‘/post/{post}/edit‘, [‘as‘ => ‘post.edit‘, ‘uses‘ => ‘PostController@editPost‘]);    Route::get(‘/post/{post}/delete‘, [‘as‘ => ‘post.delete‘, ‘uses‘ => ‘PostController@deletePost‘]);    Route::get(‘/comment/list‘, [‘as‘ => ‘comment.list‘, ‘uses‘ => ‘CommentController@listComment‘]);    /* 模型绑定 */    Route::get(‘/comment/{comment}/show‘, [‘as‘ => ‘comment.show‘, ‘uses‘ => ‘CommentController@showComment‘]);    Route::get(‘/comment/{comment}/delete‘, [‘as‘ => ‘comment.delete‘, ‘uses‘ => ‘CommentController@deleteComment‘]);    /*post routes*/    Route::post(‘/post/save‘, [‘as‘ => ‘post.save‘, ‘uses‘ => ‘PostController@savePost‘]);    Route::post(‘/post/{post}/update‘, [‘as‘ => ‘post.update‘, ‘uses‘ => ‘PostController@updatePost‘]);    Route::post(‘/comment/{comment}/update‘, [‘as‘ => ‘comment.update‘, ‘uses‘ => ‘CommentController@updateComment‘]);});/* RESTful Controllers 理由处理一系列的路由有点类似于ASP.net MVC 的通配路由 */Route::controller(‘/‘, ‘BlogController‘);/* 视图合成器 */View::composer(‘shared.sidebar‘, function ($view) {    $view->recentPosts = Post::orderBy(‘id‘, ‘desc‘)->take(5)->get();});

<?phpclass BlogController extends BaseController{    public function __construct()    {        //updated: prevents re-login.         //$this->beforeFilter(‘guest‘, [‘only‘ => [‘getLogin‘]]);//这里游客的权限注释掉了，有和没有是一样的        $this->beforeFilter(‘auth‘, [‘only‘ => [‘getLogout‘]]);//设置只有logout需要有认证的权限    }    public function getIndex()    {        $posts = Post::orderBy(‘id‘, ‘desc‘)->paginate(10);              $this->layout->title = ‘Home Page | Laravel 4 Blog‘;
　　　　　//这里初学者可能有点难理解，这里和laravel的view 相关
　　　　　//这里layout模板在basecontroller中指定了布局页，布局页中有一个main的子视图，这里是把blog文件夹下home的模版合并index模板并传入参数$posts
　　　　　//至于compact方法可以查看php相关文档。        $this->layout->main = View::make(‘blog.home‘)->nest(‘content‘, ‘blog.index‘, compact(‘posts‘));    }    public function getLogin()    {        $this->layout->title = ‘login‘;        $this->layout->main = View::make(‘blog.login‘);    }    public function postLogin()    {        $credentials = [            ‘username‘ => Input::get(‘username‘),            ‘password‘ => Input::get(‘password‘)        ];        $rules = [            ‘username‘ => ‘required‘,            ‘password‘ => ‘required‘        ];        $validator = Validator::make($credentials, $rules);        if ($validator->passes()) {            if (Auth::attempt($credentials))                return Redirect::to(‘admin/‘);            return Redirect::back()->withInput()->with(‘failure‘, ‘username or password is invalid!‘);        } else {            return Redirect::back()->withErrors($validator)->withInput();        }    }    public function getLogout()    {        Auth::logout();        return Redirect::to(‘/‘);    }}