select date_format(create_datetime,'%Y-%m-%d %k:%i:%s') from busi_repairitem_category
MySQL毫秒值和日期的指定格式的相互转换:
http://jingyan.baidu.com/article/624e7459add6ed34e9ba5a70.html
select date_format(create_datetime,'%Y-%m-%d %k:%i:%s') from busi_repairitem_category
http://jingyan.baidu.com/article/624e7459add6ed34e9ba5a70.html