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                * 上一節,我們快速的實現了自帶的登錄注冊模塊 * 這一節,我們對登錄和退出的邏輯進行分析 > App\\Http\\Controllers\\Auth\\LoginController@showLoginForm 我們找到登錄頁面路由,找到LoginController控制器,找到showLoginForm 方法,在phpstom中ctrl+左鍵 ![](https://img.kancloud.cn/90/26/9026eb357222a46cc1a4aa2b420be9d6_470x403.png) 在AuthenticatesUsers中找到showLoginForm 方法,簡單提一下trait,類似于類,可用于多繼承使用 ``` public function showLoginForm() { return view('auth.login'); } ``` * 我們找到登錄的模板,resources\\view\\auth\\login.blade.php 模板中是一個form表單的提交,提交的字段為,`email`、`password`,post提交到路由 > App\\Http\\Controllers\\Auth\\LoginController@login * 回到 AuthenticatesUsers 文件中,找到login方法,對以下方法進行分析 ``` $this->validateLogin($request); ``` ``` if ($this->attemptLogin($request)) { return $this->sendLoginResponse($request); } ``` `validateLogin`中是對表單數據的驗證,在方法里面我們找到, username()我們發現提交的字段為email,這里可以改寫成我們需要的字段 attemptLogin,驗證登錄正確性,登錄名和密碼正確登錄成功,跳轉,需要改寫成我們自己跳轉到的路由 > return property\_exists($this, 'redirectTo') ? $this->redirectTo : '/home'; > 這里 默認是跳轉到home 同樣我們找到logout方法,這里清除了session,跳轉到了根目錄 ``` public function logout(Request $request) { $this->guard()->logout(); $request->session()->invalidate(); return $this->loggedOut($request) ?: redirect('/'); } ```
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