/**
  *
  *新增三级目录
  * @access public
  */
 function addCategory3()
 {
     /**
      * 获得一级目录数据
      */
     $category1 = new Category();
     $category1Date = $category1->getcategory1Date();
     if ($category1Date) {
         $this->assign('category1Date', $category1Date);
     }
     /**
      * 获得二级目录数据
      */
     $category2 = new Category();
     $category2Date = $category2->getcategory2Date();
     if ($category2Date) {
         $this->assign('category2Date', $category2Date);
     }
 }