基于Ajax和PHP数据分页的实现，，不需重载整个页面，通过更新局部数,据即可，这样不但减少了用户等待时间，而且提高了查询效率。-Ajax and PHP-based data paging, without reloading the entire page, by updating the local number, it was then, it will not only reduce user wait time, but also improve the query efficien