@PostMapping("/searchOfflineMeetingByPage")
    @Operation(summary = "查询线下会议分页数据")
    @SaCheckLogin
    public R searchOfflineMeetingByPage(@Valid @RequestBody SearchOfflineMeetingByPageForm form) {
        HashMap param = JSONUtil.parse(form).toBean(HashMap.class);
        int page = form.getPage();
        int length = form.getLength();
//        int start = (Integer)param.get("start");
        int start = (page - 1) * length;
        param.put("start",start);
        param.put("userId", StpUtil.getLoginId());
        PageUtils pageUtils = meetingService.searchOfflineMeeting(param);
        return R.ok().put("page",pageUtils);
    }

@PostMapping("/searchOfflineMeetingByPage")
    @Operation(summary = "查询线下会议分页数据")
    @SaCheckLogin
    public R searchOfflineMeetingByPage(@Valid @RequestBody SearchOfflineMeetingByPageForm form) {
        int page = form.getPage();
        int length = form.getLength();
        int start = (page - 1) * length;
        HashMap param = new HashMap() {{
            put("date", form.getDate());
            put("mold", form.getMold());
            put("userId", StpUtil.getLoginId());
            put("start", start);
            put("length", length);
        }};
        PageUtils pageUtils = meetingService.searchOfflineMeetingByPage(param);
        return R.ok().put("page", pageUtils);
    }

老师您好，想请问一下该web方法这两种写法有什么区别吗？