ajax提交表单是表单的按钮必须是button类型的，不能是submit。

<input id="btnSubmit"  type="button" value="保存"/>


js方法：
$("#btnSubmit").click(function (){  
                var form = $("#inputForm");  
                $.ajax({  
                    url: '${ctx}/plan/curriculumDesign/save',  
                    type: 'post',  
                    data: form.serialize(),  //将表单数据序列化之后提交
                    dataType: "json",  
                    success: function (data)  
                    {  
                        alert(data.id);
                        parent.addAttribute(data.id);
                        window.location.href="${ctx}/plan/curriculumDesign/list";
                    }  
                });  
                });  

controller方法：
@RequestMapping(value = "save")
@ResponseBody
    public JSONObject save(CurriculumDesign curriculumDesign, Model model, RedirectAttributes redirectAttributes) {
        curriculumDesignService.save(curriculumDesign);
        Map<String, Object> map = Maps.newHashMap();
        map.put("id", curriculumDesign.getId());
        JSONObject json = JSONObject.fromObject(map);
        return json;
    }

今天很开心��