摘要：
--由父项递归下级 with cte(id,parentid,text) as(--父项 select id,parentid,text from treeview where parentid = 450 union all --递归结果集中的下级 select t.id,t.parentid,t.text from treeview as t inner join cte as c on t.parentid = c.id ) select id,parentid,text from cte --------------------- --由子级递归父项 with cte(id,paren 阅读全文
