/**
  * 增加角色
  */
 public function cRoleAdd()
 {
     $this->_modelRole = $this->getGlobal('model/Role', 'Model_Role');
     $info = $this->_modelRole->add();
     if ($info['status'] == 1) {
         $this->success($info['info'], $info['url']);
     } else {
         $this->error($info['info'], $info['url']);
     }
 }