public function delRoleAction($network_domain)
 {
     $request = $this->get("request");
     $user = $this->get('security.context')->getToken()->getUser();
     $da = $this->get("we_data_access");
     $da_im = $this->get('we_data_access_im');
     $role = new Role($da, $da_im);
     $re = array('s' => '1', 'm' => '', 'role' => array());
     $roleid = $request->get("roleid");
     if (!$role->deleteRole($roleid)) {
         $re = array('s' => '0', 'm' => '角色编辑失败', 'role' => array());
     }
     $response = new Response(json_encode($re));
     $response->headers->set('Content-Type', 'text/json');
     return $response;
 }