C#時(shí)間操作類時(shí)間計(jì)算等

1、一個(gè)C#時(shí)間工具類，可用于時(shí)間計(jì)算，比如根據(jù)出生年月實(shí)現(xiàn)生日提醒、兩個(gè)日期天數(shù)比較、根據(jù)英文的星期幾返回中文的星期幾、計(jì)算兩個(gè)時(shí)間的差值，返回的是x夭x小時(shí)x分鐘x秒、時(shí)間相差值、根據(jù)時(shí)間返回幾個(gè)月前，幾天前，幾小時(shí)前，幾分鐘前以及幾秒前，現(xiàn)在用不到的話，先收藏吧，代碼如下：001usingSystem;002usingSystem.Collections.Generic;003usingSystem.Linq;004usingSystem.Text;005namespaceCLB.Utility.CharTools006(007publicstaticclassDateTimeHelper0

2、08(009/010/根據(jù)時(shí)間返回幾個(gè)月前，幾天前，幾小時(shí)前，幾分鐘前以及幾秒前011/012/013/014publicstaticstringDateStringFromNow(DateTimedt)015(016TimeSpanspan=DateTime.Now-dt;017if(span.TotalDays>60)018(019returndt.ToShortDateString();020021elseif(span.TotalDays>30)022(023return"1個(gè)月前"024025elseif(span.TotalDays&

3、amp;gt;14)026(027return"2周前"028029elseif(span.TotalDays>7)030(031return"1周前"032033elseif(span.TotalDays>1)034(035returnstring.Format("0天前"，(int)Math.Floor(span.TotalDays);036037elseif(span.TotalHours>1)038039returnstring.Format("0小時(shí)前",(int

4、)Math.Floor(span.TotalHours);040041elseif(span.TotalMinutes>1)042043returnstring.Format("0分鐘前",(int)Math.Floor(span.TotalMinutes);044045elseif(span.TotalSeconds>=1)046047returnstring.Format("0秒前”，(int)Math.Floor(span.TotalSeconds);048049else050051return"1秒前"052

5、053054/055/時(shí)間相差值，返回時(shí)間差056/調(diào)用時(shí),isTotal為true時(shí)，返回的時(shí)帶小數(shù)的天數(shù)，否則返回的是整數(shù)057/058/059/060/061/062publicstaticstringDateDiff(DateTimeDateTime1,DateTimeDateTime2,boolisTotal)063064TimeSpants=DateTime2-DateTime1;065if(isTotal)066帶小數(shù)的天數(shù)，比如1天12小時(shí)結(jié)果就是1.5067returnts.TotalDays.ToString();068else069整數(shù)夭數(shù)，1夭12小時(shí)或者1夭20小時(shí)結(jié)

6、果都是1070returnts.Days.ToString();071072/073/計(jì)算兩個(gè)時(shí)間的差值，返回的是x天x小時(shí)x分鐘x秒074/075/076/077/078publicstaticstringDateDiff(DateTimeDateTime1,DateTimeDateTime2)079080stringdateDiff=null;081TimeSpants1=newTimeSpan(DateTime1.Ticks);082TimeSpants2=newTimeSpan(DateTime2.Ticks);083TimeSpants=ts1.Subtract(ts2).Durat

7、ion();084/TimeSpants=ts1.Add(ts2).Duration();085dateDiff=ts.Days.ToString()+"夭"+ts.Hours.ToString()+"小時(shí)"+ts.Minutes.ToString()+"分鐘"+ts.Seconds.ToString()+"秒"086returndateDiff;087088/089/根據(jù)英文的星期幾返回中文的星期幾090/如WhichDay("Sunday”),返回星期日091/092/093/094publicsta

8、ticstringWhichDay(stringenWeek)095096switch(enWeek.Trim()097098case"Sunday":099return"星期日"100 case"Monday":101 return"星期一"102 case"Tuesday":103 return”星期二"104 case"Wednesday":105 return”星期三"106 case"Thursday":107 return&

9、quot;星期四"108 case"Friday":109 return"星期五"110 case"Saturday":111 return"星期六"112 default:113 returnenWeek;114 115 116 /117 /日期比較118 /119 /當(dāng)前日期120 /輸入日期121 /比較夭數(shù)122 /大于天數(shù)返回true，小于返回false123 publicstaticboolCompareDate(stringtoday,stringwriteDate,intn)124 125

10、 DateTimeToday=Convert.ToDateTime(today);126 DateTimeWriteDate=Convert.ToDateTime(writeDate);127 WriteDate=WriteDate.AddDays(n);128 if(Today>=WriteDate)129 returnfalse;130 else131 returntrue;132 133 /134 /根據(jù)出生年月進(jìn)行生日提醒135 /136 /137 /138 publicstaticstringGetBirthdayTip(DateTimebirthday)139 140

11、 DateTimenow=DateTime.Now;141 /TimeSpanspan=DateTime.Now-birthday;142 intnowMonth=now.Month;143 intbirtMonth=birthday.Month;144 if(nowMonth=12&&birtMonth=1)145 returnstring.Format(”下月0號(hào)",birthday.Day);146 if(nowMonth=1&&birtMonth=12)147 returnstring.Format("

12、上月0號(hào)",birthday.Day);148 intmonths=now.Month-birthday.Month;149 /intdays=now.Day-birthday.Day;150 if(months=1)151 returnstring.Format("上月0號(hào)",birthday.Day);152 elseif(months=-1)153 returnstring.Format("下月0號(hào)",birthday.Day);154 elseif(months=0)155 156 if(now.Day=birthday.Day)157 return"今天"158 returnstring.Format("本月0號(hào)",birt