程序代码：

     function insistUser2(){
             $.ajax({
                   type:'POST',
                   url:'http://localhost:8080/OnlineLibraryClient2/insertUser',
                   async:true,
                   contentType:'application/json;charset=utf-8',
                   <!--将输入数据传到Controller-->
                   data:JSON.stringify({
                   "id" : $("#insert_id").val(),
                    "userName" : $("#insert_userName").val(),
                   "password" : $("#insert_password").val(),
                    "level" : $("#insert_level").val(),
                    "institute" : $("#insert_institute").val(),
                    "major" : $("#insert_major").val(),
                    "tel" : $("#insert_tel").val()
                   }),
                   dataType:'json',
                   success : function(data) {
                        parent.document.location.reload();//刷新页面
                    },
                    error : function(msg) {
                        alert(JSON.stringify(msg.message));
                    }
                });
            }

程序代码：

@RequestMapping(path = "/insertUser", method = RequestMethod.POST)
    public @ResponseBody ResultVO<User> insertUser(@RequestBody HashMap<String, String>param) {
        System.out.println("账号"+param.get("id"));
         User user=new User(Long.valueOf(param.get("id")), param.get("userName"),param.get("password") ,Byte.valueOf(param.get("level")) ,param.get("institute") ,param.get("major") ,param.get("tel") );
         System.out.println(user);
         service.insertUser(user);
         ResultVO<User> resultVO=new ResultVO<User>(0,"添加成功",null);
         return resultVO;
    }