//關於引數傳遞接受,有些引數不是required，可以不傳進來，
//寫在外面的時候裡面的只能是單個實體
@RequestMapping(value = "/savemobile")
@RequestBody
    public int saveMobile(@RequestBody List<User> user ,@RequestParam(value = "yzm", required = false) String yzm) {
@RequestMapping(value = "/savemobile")//這中不可以
    public int saveMobile(@RequestBody List<User> user ,@RequestParam(value = "yzm", required = false) String yzm) {
@RequestMapping(value = "/savemobile")//這種可以
@RequestBody
    public int saveMobile(@RequestBody List<User> user ) {//這種可以
@RequestMapping(value = "/savemobile")
    @ResponseBody//這種可以
    public String saveMobile(@RequestParam(value = "yzm", required = false) String yzm , User user ) {

   @ResponseBody//寫在外面的時候裡面的只能是單個實體
    public PageInfo<Role> queryPageSupplier(HttpSession session,
    @RequestParam(value = "pageNo", required = false) int pageNo,
                                            @RequestParam(value = "pageSize", required = false) int pageSize,
                                            Role role)




    @RequestMapping(value = "/savemobile")
    @ResponseBody
    public String saveMobile(@RequestParam(value = "yzm", required = false) String yzm , User user ) {
$.ajax({

            type: "post",
            url: "<%=webPath%>/system/users/savemobile.do",
            data: ndata,
            dataType: "json",/////////////////////////////    contentType:"application/json",不用list之後這句去了【】是複雜格式標誌
            success: function (data) {
                if (data = 1) {
                alert("繫結成功，謝謝！");
                } else if (data = 0) {
                    alert("操作失敗，該記錄可能已不存在。");
                } else if (data > 1) {
                    alert("錯誤，有多條記錄被刪除。");
                }
            },
            error: function (textStatus) {
                alert("資料載入失敗!!!");
            }
});





=================================================
@RequestMapping(value = "/index")
public void index(@RequestParam(value = "alarm", required = false) String alarm , Model model) {////沒有傳入此引數也可以進入方法，利用這點可以區分
一些不同的操作