<?php
namespace App\models;

use App\models\BaseModel;
 
/**
 * 用户登陆模型
 * @author Robin
 *
 */
class Login extends BaseModel
{
    /**
     * 用户名
     * @var String
     */
    public $username;
    
    /**
     * 名称
     * @var String
     */
    public $password;
    
    /**
     * 转换用户输入为对象模型
     * @param Input $input
     */
    public function convert($input) {
        //-----------------------------------------------------
        // 字段验证
        //-----------------------------------------------------
        $rule = array(
            "username" => "required|min:4|max:10",
            "password" => "required|between:3,16",
        );
    
        //-----------------------------------------------------
        // 调用父类方法
        //-----------------------------------------------------
        $this->init($input, $rule);
    }
}

?>

<?php
namespace App\Http\Middleware;

use Closure;
use Cookie;
use Redirect;
use Illuminate\Contracts\Routing\Middleware;

/**
 * 检查用户登陆中间件
 * @author Robin
 *
 */
class CheckLoginMiddleware implements Middleware
{

    /**
     * 构造函数
     */
    public function __construct()
    {
        // TODO
    }

    /**
     * Handle an incoming request.
     *
     * @param \Illuminate\Http\Request $request
     * @param \Closure $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        // 取得用户的Cookie
        $token = Cookie::get("TOKEN");
        // 如果有Cookie
        if(isset($token)) {
            // 将cookie值转为json对象数组
            $user = json_decode($token);
            // 往下执行
            return $next($request);
        }
        else {
            // 如果取不到用户的cookie，跳转到用户登陆页面
            return Redirect::action("LoginController@getIndex", ["path" => $request->fullUrl()]);
        }
    }
}

?>

//------------------------------------------------------------------
// Controller Group
// 加入前缀my2，意思是在里头的所有路由地址都以my2开头
// 例如：http://localhost/my/add
//------------------------------------------------------------------
Route::group(["prefix" => "my2", "middleware" => 'login'], function() {
   Route::controller("/", "my\MyTest2Controller");
});

/**
 * 控制器与路径设置
 */
Route::controllers([
    // 用户登陆
    'login' => 'LoginController',
]);

<?php
namespace App\Http\Controllers;

use App\Http\Controllers\Controller;
use Redirect;
use Route;
use View;
use Input;
use Request;
use URL;
use Session;
use Response;
use Cookie;
use App\models\Login;

/**
 * 用户登陆控制器
 * @author Robin
 *
 */
class LoginController extends BaseController
{

    /**
     * 设置路径
     */
    private $path;

    function __construct()
    {
        $this->path = [
            "getIndex" => URL::action("LoginController@getIndex"),
            "postIndex" => URL::action("LoginController@postIndex")
        ];
    }

    /**
     * 登陆页面
     */
    public function getIndex()
    {
        return View::make("login", [
            "path" => $this->path
        ]);
    }

    /**
     * 提交登陆
     * @return \Illuminate\Http\RedirectResponse
     */
    public function postIndex()
    {
        // new一个登陆页面的模型
        $login = new Login();
        // 转换用户输入为用户登陆模型对象
        $login->convert(Input::All());
        // 判断用户输入是否合法
        if ($login->isValid()) {
            // 判断用户名密码是否正确
            if ($login->username == "admin" && $login->password == "admin") {
                // 新增一个用户对象数组，用于输出到cookie
                $user = [
                    "username" => $login->username
                ];
                // cookie输出
                Cookie::queue("TOKEN", json_encode($user), 3600);
                // 页面跳转到另一个页面
                return redirect()->action("my\MyTest2Controller@getIndex");
            } else {
                // 用户登陆抵账，返回view
                return View::make("login", [
                    "login" => $login,
                    "errorMessage" => "User name or password error.",
                    "path" => $this->path
                ]);
            }
        } else {
            // 用户输入不合法，返回view
            return View::make("login", [
                "login" => $login,
                "messages" => $login->messages(),
                "path" => $this->path
            ]);
        }
    }
}

?>

<?php
?>
<font color="red">{{isset($errorMessage) ? $errorMessage : ""}}</font>
<form action="{{$path['postIndex']}}" method="post">
    UserName:<input name="username" type="text" value="{{isset($login) ? $login->username : ''}}" />{!!isset($messages) ? $messages->first('username', '<span style="color:red;">:message</span>') : ""!!}<br/>
    Password:<input name="password" type="password" />{!!isset($messages) ? $messages->first('password', '<span style="color:red;">:message</span>') : ""!!}<br/>
    <input type="submit" value="Login" />
</form>

'key' => env('APP_KEY', 'SomeRandomString'),