Ajax请求Controller跳转

前台页面Ajax请求后台Contrller请求另一个Controller返回页面跳转不成功时处理办法

$.ajax({        type : "POST",        url : "${basePath}OrderManageController/ostate.do",        async : false,        data: {orderid:id,orderstate:state},        success : function(data) {            **if (data.forwardUrl != null) {                window.parent.showMessageBoxParent(data.message, 2000);                window.location = data.forwardUrl;**            }        },        dataType : "json"    });