摘要: set @Location_Id = 'a'; set @District_Id = 'b'; set @Category_Id = 'c'; select * from table_name where 1=1 and if(@Location_Id = '', 0=0, LocationId = 阅读全文
posted @ 2020-07-09 18:00 无敌师爷IT技术Blog 阅读(652) 评论(0) 推荐(0)