/**
  * 编辑茶叶属性
  */
 function actionEdit()
 {
     $form = Form_Admin_Tea::createForm(url('tea/edit'));
     $teaId = intval($this->_context->id);
     //查询改记录
     $tea = Tea::find('id =?', $teaId)->query();
     // 导入数据到表单
     $form->import($tea);
     //是否是post提交 及验证通过
     if ($this->_context->isPOST() && $form->validate($_POST)) {
         try {
             //改变表单属性值
             $tea->changeProps($form->values());
             $tea->save();
             return $this->_redirectMessage('恭喜你更新茶叶信息成功', '如果你不做出选择系统将自动跳转', url('tea/index'), 3);
         } catch (QValidator_ValidateFailedException $ex) {
             $form->invalidate($ex);
         }
     }
     $this->_view['tea'] = $tea;
     $this->_view['form'] = $form;
 }