摘要：
----------------------------- 第一种: create table os(id int,parentid int,desn varchar(10)) insert into os select 1,0,'体育用品' insert into os select 2,0,'户外运动' insert into os select 3,1,'篮球' insert into o... 阅读全文
posted @ 2008-12-17 11:53 JackJiang 阅读(1905) 评论(0) 推荐(0) 编辑