quired : '请输入用户名'
                    },
                    'password' : {
                        required : '请输入密码'
                    }
                },
                submitHandler : function(forms) {
                    if (formloading) return;
                    $(forms).ajaxSubmit({
                        url : form.attr('action'),
                        dataType : 'json',
                        beforeSubmit : function(arr, $form, options) {
                