1/֪ͨ  oa_tongzhi

  id int
  title  nvarchar200  
  content 
  adduser 
  companyid int ˾
  addtime  
  notice_import char Ҫ̶
  departid int ղű
  notice_flag int(1:Ϊ  2Ϊ֪ͨ)


2 ¼ oa_news

  id int
  title
  content
  adduser 
  hits
  addtime
  companyid int ˾

3:ر oa_down
  id int
 title nvarchr 200
 filepath nvarchar 50
 companyid int
 uname char 10
 addtime

4:ƶȱ oa_zhidu

  id
 title
 content
 departid
 companyid
 adduser 
 addtime

 