weixin_43941291的博客

一 数据库创建：create table DiGui(id int identity,parentid int //父级id ,name nvarchar(20))insert into DiGui values(0,'河北')insert into DiGui values(1,'邯郸')insert into DiGui values(1,'石家庄')insert into DiGui values(3,'峰峰')insert into DiGui values(3,'邯山区')

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