海平线

摘要： 网上收集的，非原创，sql server中的datediff函数的使用一天 select * from T_news where datediff(day,addtime,getdate())=0三天select * from T_news where datediff(day,addtime,getdate())<= 2 and datediff(day,addtime,getdate()... 阅读全文