前台js 复制代码 代码如下: $("#nickForm").ajaxSubmit({ type: "post", url: "http://localhost:8080/test/myspace.do?method=updateNick¶m=1", dataType: "json", success: function(result){ //返回提示信息 alert(result.nickMsg); } }); 后台封装: 复制代码 代码如下: public ActionForward toUpdateNickName(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response){ PrintWriter pw = response.getWriter(); JSONObject obj = new JSONObject(); obj.put("nickMsg", "昵称修改成功!"); pw.print(obj); pw.close(); }