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1、c#的时间函数（C#'stimefunction）AboutthefunctionoftimeoperationinC#,Monday,13,2007,16:221,,timefunctioncodeisasfollows:UsingSystem;UsingSystem.Collections.Generic;PublicclassMyClass{Public,static,void,Main(){System.DateTime,CurrentTime=new,System.DateTime();CurrentTime=System.DateTime.Now;
2、//payattentiontothefollowingtwokindsofusage,use+connectionanddifference.Console.WriteLine(nowthetimeis:{0}),CurrentTime.ToString());Console.WriteLine(nowthetimeis:"+CurrentTime.ToString());Console.WriteLine(CurrentTime.Year+);Console.WriteLine(CurrentTime.Month+"month");Console.Writ
3、eLine(CurrentTime.Day+day);Console.WriteLine("CurrentTime.Hour+");Console.WriteLine(CurrentTime.Minute+"points");Console.WriteLine(CurrentTime.Second+seconds);Console.WriteLine(CurrentTime.Millisecond+MS);(RL);}#regionHelpermethodsPrivate,static,void,WL(object,text,params,object[],a
4、rgs){Console.WriteLine(text.ToString(),args);}Private,static,void,RL(){Console.ReadLine();}Private,static,void,Break(){System.Diagnostics.Debugger.Break();}#endregion}//compiledinSnippetCompiler2,thecurrentdateminusthedateofthepastTimeSpantimespan;Timespan=DateTime.Now.Subtract(new,
5、DateTime(1982,7,6));Console.WriteLine("gone":"+timespan.Days.ToString());3,reducethepresentdatewiththedateofthefuture(suchasthe2008OlympicGames)Timespan=new,DateTime(2008,8,8),.Subtract(DateTime.Now);Console.WriteLine(and:"+timespan.Days.ToString());Ifthistimepasses,itisnegative.Dat
6、eTimerelatedattributesDateTimedate=DateTime.Today;//'Today'getsthecurrentdateResponse.Write(date);2010-1-130:00:00//displayDateTimeDT=DateTime.Now;//'Now'toobtainthecurrenttimeincludingthedatewhenResponse.Write(dt.ToString());2010-1-1320:36:12//displayResponse.Write(dt.Date.ToString
7、());//'Date'getsthedatesectionofthecurrentinstanceDT2010-1-130:00:00//displayResponse.Write(dt.Day.ToString());//'Day'getsthedateinwhichthecurrentinstanceDTrepresents,thefirstfewdaysofthemonth,today13/displayResponse.Write(dt.DayOfWeek.ToString());//'DayOfWeek'getsthecurrentinstance
8、;DTrepresentsthedat
