TenderingService
+TenderingDao:tenderingDao
Tendering
+iid:Integer+tid:Integer+uid:Integer+contacts:String+tele:String
+ get...()+ set...()
TenderingAction
+ TenderingService: tenderingService+ InvestmentService: investmentService+UserServide:userservice
+execute:String+addOrEditPage:String+saveOrUpdateString
TenderingDao
