求日期函数(50分)

J

jeoky

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• 2003-01-20

• #1

已知具体时间，如2003－1－4，求一个星期前的日期，如何求？

 

H

hua8hua

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• 2003-01-20

• #2

现在时间-7

 

薄

薄荷

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• 2003-01-20

• #3

Date-7就可以了阿
var
Date: TDate;
begin
ShowMessage(DateToStr(Date-7));
end;

 

Y

ysai

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• 2003-01-20

• #4

uses DateUtils;
dt:=IncWeek(Now,-1);

 

J

jeoky

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GUEST, unregistred user!

• 2003-01-22

• #5

我要Java的函数啊！

 

C

corba_cn

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GUEST, unregistred user!

• 2003-01-24

• #6

Date dd=new Date(2003-1900,1-1,4);
Date kk=new Date(dd.getYear(),dd.getMonth(),dd.getDay()-7);
out.print(kk.toLocaleString()+"<br>");
其中KK就是你想要的日期