$.ajaxSetup({      cache:false,      beforeSend:function (jqXHR, settings) {        if (settings.url.indexOf('${resource(dir: 'login')}') == -1 && checkLoginFlag) {          checkLoginFlag = false;          //1秒馁不重复进行验证          setTimeout(function () {            checkLoginFlag = true;          }, 1000);          $.get('url', function (data) {            if (data != 'true') {              art.dialog.alert('您的登陆已经过期，请重新登录！', function () {                window.location.href = '${createLink(uri: '/login')}';              });            }          });        }      },      complete: function() {        //隐藏表单提交提示        formLay.hide();        formLoading.hide();      }    });