PHP back函数代码示例

 public function destroyByEmail(SubscriberRemoveRequest $request)
 {
     $email = $request->only('email');
     Subscriber::where(['email' => $email['email']])->delete();
     Activity::log('User Unsubscribed');
     return back()->withSuccess("Sorry To See You Go! :(");
 }

 public function delete_news(Request $request)
 {
     $id = $request->item_id;
     $news = News::find($id);
     $news->delete();
     return back()->with('message', "Новость удалена");
 }

 public function signInAuth(SignInRequest $request)
 {
     if ((new Authenticate($request->input('username'), $request->input('password')))->check()) {
         return redirect()->route('index');
     }
     return back()->withErrors(['formError' => 'Invalid username or password.']);
 }

 public function authenticate(Request $request)
 {
     // validate the info, create rules for the inputs
     $rules = array('email' => 'required|email', 'password' => 'required|alphaNum|min:3');
     // run the validation rules on the inputs from the form
     $validator = Validator::make($request->all(), $rules);
     // if the validator fails, redirect back to the form
     if ($validator->fails()) {
         return back()->withErrors($validator->errors())->withInput($request->except('password'));
         // send back the input (not the password) so that we can repopulate the form
     } else {
         // create our user data for the authentication
         $userdata = array('email' => $request->email, 'password' => $request->password);
         $remember = $request->remember;
         // attempt to do the login
         if (Auth::attempt($userdata, $remember)) {
             // validation successful!
             // redirect them to the secure section or whatever
             // return Redirect::to('secure');
             // for now we'll just echo success (even though echoing in a controller is bad)
             $user = Auth::user();
             $logged_in_user = User::findOrFail($user->id);
             $logged_in_user->logged_in = true;
             $logged_in_user->save();
             return redirect('dashboard')->with('status', 'Logged in!');
         } else {
             // validation not successful, send back to form
             return back()->with('status', 'Couldnt log you in with the details you provided!')->withInput($request->except('password'));
         }
     }
 }

 /**
  * Handle a login request to the application.
  *
  * @param  \Illuminate\Http\Request  $request
  * @return \Illuminate\Http\Response
  */
 public function postLogin(Request $request)
 {
     $this->validate($request, [$this->loginUsername() => 'required', 'password' => 'required']);
     // If the class is using the ThrottlesLogins trait, we can automatically throttle
     // the login attempts for this application. We'll key this by the username and
     // the IP address of the client making these requests into this application.
     $throttles = $this->isUsingThrottlesLoginsTrait();
     if ($throttles && $this->hasTooManyLoginAttempts($request)) {
         return $this->sendLockoutResponse($request);
     }
     $credentials = $this->getCredentials($request);
     if (Auth::attempt($this->user(), $credentials, $request->has('remember'))) {
         return $this->handleUserWasAuthenticated($request, $throttles);
     }
     // If the login attempt was unsuccessful we will increment the number of attempts
     // to login and redirect the user back to the login form. Of course, when this
     // user surpasses their maximum number of attempts they will get locked out.
     if ($throttles) {
         $this->incrementLoginAttempts($request);
     }
     if ($redirectUrl = $this->loginPath()) {
         return redirect($redirectUrl)->withInput($request->only($this->loginUsername(), 'remember'))->withErrors([$this->loginUsername() => $this->getFailedLoginMessage()]);
     } else {
         return back()->withInput($request->only($this->loginUsername(), 'remember'))->withErrors([$this->loginUsername() => $this->getFailedLoginMessage()]);
     }
 }

 public function responseAddGp(Request $request)
 {
     $courseId = $request->input('courseId');
     $name = $request->input('name');
     $result = $this->gpsController->addGp($name, $courseId);
     return back();
 }

 /**
  * Render an exception into an HTTP response.
  *
  * @param  \Illuminate\Http\Request $request
  * @param  \Exception $e
  * @return \Illuminate\Http\Response
  */
 public function render($request, Exception $e)
 {
     if ($e instanceof FormValidationException) {
         return back()->withInput()->withErrors($e->getErrors());
     }
     return parent::render($request, $e);
 }

 /**
  * Handles file uploading and populating table with team data.
  * @param  Request $request Http request
  */
 public function upload(Request $request)
 {
     //check file size is between 1kB and 2kB
     //soccer dat is about 1.4kB
     $this->validate($request, ['file' => 'between:1,2']);
     //checks if the request has a file named 'file'
     if ($request->hasFile('file')) {
         $data = array();
         //check if file uploaded successfully
         if ($request->file('file')->isValid()) {
             $file = $request->file('file');
             //only read file
             $fileObject = $file->openFile('r');
             try {
                 $data = $this->extractData($fileObject);
                 $this->populateTable($data);
             } catch (Exception $e) {
                 Log::error($e->getMessage());
                 return back()->withErrors(['Error Saving the data']);
             }
             return back()->with('success', 'Successful upload.');
         } else {
             return back()->withErrors(['Unable to upload file.']);
         }
         return 'cool';
     } else {
         return back()->withErrors(['No File submitted.']);
     }
 }

 /**
  * Handle an incoming request.
  *
  * @param  \Illuminate\Http\Request $request
  * @param  \Closure $next
  * @return mixed
  */
 public function handle($request, Closure $next)
 {
     // ajax upload
     if ($request->ajax()) {
         // check upload image
         if (!$request->hasFile('uploadImg')) {
             // return json data with error message noImgUpload
             return response()->json(['error' => 'noUploadImg']);
         } else {
             if (!$this->checkImage($request->file('uploadImg'))) {
                 // return json data with error message wrongImgType
                 return response()->json(['error' => 'wrongImgType']);
             } else {
                 if (filesize($request->file('uploadImg')->getPathname()) > 2 * 2 ** 20) {
                     return response()->json(['error' => 'file size is bigger than 2MB']);
                 }
             }
         }
     } else {
         // check has uploadImg or not
         if ($request->hasFile('uploadImg')) {
             // check image content
             if (!$this->checkImage($request->file('uploadImg'))) {
                 // check fail, redirect back with errors
                 return back()->withInput($request->except('uploadImg'))->withErrors('小搗蛋 大頭貼只能選圖片唷:)');
             }
         }
     }
     // pass all check
     return $next($request);
 }

 /**
  * Handle an incoming request.
  *
  * @param \Illuminate\Http\Request $request
  * @param \Closure                 $next
  * @param $model
  *
  * @return mixed
  */
 public function handle($request, Closure $next, $model)
 {
     // gather info
     $model = '\\AbuseIO\\Models\\' . $model;
     $account = Auth::user()->account;
     // try to retrieve the id of the model (by getting it out the request segment or out the input)
     $model_id = $request->segment(self::IDSEGMENT);
     if (empty($model_id)) {
         $model_id = $request->input('id');
     }
     // sanity checks on the model_id
     if (!empty($model_id) and preg_match('/\\d+/', $model_id)) {
         // only check if the checkAccountAccess exists
         if (method_exists($model, 'checkAccountAccess')) {
             if (!$model::checkAccountAccess($model_id, $account)) {
                 // if the checkAccountAccess() fails return to the last page
                 return back()->with('message', 'Account [' . $account->name . '] is not allowed to access this object');
             }
         } else {
             Log::notice("CheckAccount Middleware is called for {$model}, which doesn't have a checkAccountAccess method");
         }
     } else {
         Log::notice("CheckAccount Middleware is called, with model_id [{$model_id}] for {$model}, which doesn't match the model_id format");
     }
     return $next($request);
 }

 protected function login()
 {
     if (auth()->attempt(array('email' => Input::get('email'), 'password' => Input::get('password')), true) || auth()->attempt(array('name' => Input::get('email'), 'password' => Input::get('password')), true)) {
         return Redirect::intended('/');
     }
     return back()->withInput()->with('message', 'Неверное имя пользователя и/или пароль!');
 }

 /**
  * @param Request $request
  * @return \Illuminate\Http\RedirectResponse
  */
 public function post(Request $request)
 {
     $data['title'] = $request->bugTitle;
     $data['description'] = $request->bugDescription;
     $data['controller'] = $request->controller;
     if (!Auth::user()) {
         $data['email'] = $request->bugEmail;
         $data['name'] = $request->bugName;
         $validator = Validator::make($request->all(), ['bugEmail' => 'required|email|max:255', 'bugName' => 'required|max:255|alpha_space', 'bugTitle' => 'required|max:255', 'bugDescription' => 'required|max:255']);
     } else {
         $data['email'] = Auth::user()->email;
         $data['name'] = Auth::user()->name;
         $validator = Validator::make($request->all(), ['bugTitle' => 'required|max:255|email', 'bugDescription' => 'required|max:255']);
     }
     if ($validator->fails()) {
         return back()->withErrors($validator)->withInput()->with('modal', true);
     }
     $response = Mail::send('emails.ladybug', $data, function ($message) use($data) {
         $message->from($data['email'], $data['name']);
         $message->subject("Bug Report");
         $message->to('admin@uir-events.com');
     });
     if ($response) {
         return back()->with('success', 'Your report has been sent.');
     } else {
         return back()->with('error', 'An error occured, please try again.');
     }
 }

 /**
  * Store a newly created resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @return \Illuminate\Http\Response
  */
 public function store(Requests\RackRequest $request)
 {
     //
     $data = $request->except('_token');
     Rack::create($data);
     return back();
 }

 public function hapus()
 {
     $id = Input::get('USERS_ID');
     $user = User::where('USERS_ID', '=', $id);
     $user->delete();
     return back();
 }

 public function update(Request $request)
 {
     $data = $request->all();
     $user = User::whereId(Auth::user()->id)->first();
     if ($user->email != $data['email']) {
         $checkemail = User::where('email', '=', $data['email'])->first();
         if (!$checkemail) {
             $user->email = $data['email'];
         } else {
             alert()->warning(' ', 'Cet adresse email est déjà utilisée !')->autoclose(3500);
             return back()->withInput();
         }
     }
     $user->firstname = $data['firstname'];
     $user->lastname = $data['lastname'];
     if ($data['password']) {
         if ($data['password'] == $data['password_confirmation']) {
             $user->password = bcrypt($data['password']);
         } else {
             alert()->warning(' ', 'Les mots de passe ne correspondent pas !')->autoclose(3500);
             return back()->withInput();
         }
     }
     $user->save();
     alert()->success(' ', 'Profil modifié !')->autoclose(3500);
     return redirect('/membres/profil/');
 }