/**
  * 会员登录
  */
 public function actionLogin()
 {
     try {
         $model = new StAdmin('login');
         if (XUtils::method() == 'POST') {
             $model->id = $_POST['id'];
             $model->password = $_POST['password'];
             $data = $model->find('id=:id', array('id' => $model->id));
             if ($data === null) {
                 $model->addError('id', '用户不存在');
                 AdminLogger::_create(array('catalog' => 'login', 'intro' => '登录失败,用户不存在:' . CHtml::encode($model->id), 'user_id' => 0));
             } elseif (!$model->validatePassword($data->password)) {
                 $model->addError('password', '密码不正确');
                 AdminLogger::_create(array('catalog' => 'login', 'intro' => '登录失败,密码不正确:' . CHtml::encode($model->id) . ',使用密码:' . CHtml::encode($model->password), 'user_id' => 0));
             } else {
                 parent::_stateWrite(array('userId' => $data->id, 'userName' => $data->name, 'type' => $data->type), array('prefix' => '_admini'));
                 // $data->save();
                 AdminLogger::_create(array('catalog' => 'login', 'intro' => '用户登录成功:' . CHtml::encode($model->id)));
                 if ($data->type == 'teacher') {
                     $this->redirect(array('teacherLogin/index'));
                 }
                 if ($data->type == 'admin') {
                     $this->redirect(array('adminLogin/index'));
                 }
                 if ($data->type == 'student') {
                     $this->redirect(array('studentLogin/index'));
                 }
                 if ($data->type == 'exe_teacher') {
                     $this->redirect(array('exeTeacherLogin/index'));
                 }
             }
         }
         $this->render('login', array('model' => $model));
     } catch (Exception $e) {
         echo var_dump($e);
     }
 }