$validator = FormValidator::classroom(Input::all());
     if ($validator->fails()) {
         return Redirect::to('/classroom')->withInput()->withErrors($validator)->with('message', '輸入錯誤,請檢查');
     } else {
         $data = Input::all();
         if (Classroom::create($data)) {
             $message = '新增教室《' . $data['classroom_name'] . '》完成';
         } else {
             $message = '資料寫入錯誤';
         }
         return Redirect::to('/classroom')->with('message', $message);
     }
 });
 // 顯示編輯教師
 Route::get('/edit/{id}', function ($id) {
     $viewData['classroomList'] = Classroom::orderBy('classroom_name')->get();
     $viewData['classroom'] = Classroom::find($id);
     $viewData['classroomCourseunit'] = $viewData['classroom']->courseunit;
     return View::make('classroom')->with($viewData);
 });
 // 執行編輯教室
 Route::post('/edit/{id}', function ($id) {
     $validator = FormValidator::classroom(Input::all());
     if ($validator->fails()) {
         return Redirect::to('/classroom')->withInput()->withErrors($validator)->with('message', '輸入錯誤,請檢查');
     } else {
         $data = Input::all();
         $classroom = Classroom::find($id);
         if ($classroom->update($data)) {
             $message = '更新教室《' . $data['classroom_name'] . '》完成';
         } else {