/**
  * 删除资讯
  */
 public function cDel()
 {
     $this->_modelNews = $this->getGlobal('model/News', 'Model_News');
     if ($this->_modelNews->delete($this->getR('id'))) {
         $this->success(false);
     } else {
         $this->error('删除失败');
     }
 }