房间计费系统改造E-R图纸设计
Student(StudentID,StudentName,Department,Grade,Class,Type)
Card(CardID,Cash,StudentID,Type,IsUsing)
BasicData(FixedRate,TempRate,UpTime,LeastTime,PerparTime,LimitCash,theDate,theTime,UserName)
SystemUser(UserName,Psw,Level,RealName,Creator)
SystemUserLoginRecords(UserName,theDate,theTime,ComputerName)
Register(CardID,StudentID,UserName,theDate,theTime,initialMoney)
Recharge(CardID,UserName,AddMoney,theDate,theTime)
BackCard(CardID,UserName,refundment,theDate,theTime)
StudentOnlineRecords(CardID,UserName,theDate,theTime,ComputerName)
StudentOnlineLog(CardID,UserName,OnlineDate,OnlineTime,OffLineDate,OffLineTime,Statu,ConsumeTime,ConsumeCash,ComputerName)
SystemUserWorkLog(UserName,OnDate,OnTime,OffDate,OffTime,ComputerName)
DayBill(AllCardCash,RechargeCash,OnlineCash,BackCardCash,AllGetCash,UserName,TheDate)
我师傅给我的建议是:尽可能看英语帮助手冊,这段时间的尝试。我感觉英文不是非常难,再说了。不是还有金山词霸这些画词翻好翻译。阅读英文说明书,So Easy!
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