c 中获取时间的年月日的方法（the method of getting the time and date of time in c ）

C中获取时间的年月日的方法（THEMETHODOFGETTINGTHETIMEANDDATEOFTIMEINC）1、第一种方式年DATETIMETODAYYEAR或者DATETIMENOWYEAR月DATETIMETODAYMONTH或者DATETIMENOWMONTH日DATETIMETODAYDAY或者DATETIMENOWDAY若是取一整个字符串的话可以比如取今天的20110120DATETIME。今天，TOSTRING（“YYYYMMDD”）20110120时间。今天TOSTRING（“YYYYMMDD”）。2、第二种方式/获取日期时间DATETIME。现在。TOSTRING；/200894200210DATETIME。现在。TOLOCALTIME。TOSTRING；/200894201212/获取日期DATETIME。现在。TOLONGDATESTRING。TOSTRING；/200894日月年DATETIME。现在。TOSHORTDATESTRING。TOSTRING；/200894日期时间。现在，TOSTRING（“YYYYMMDD”）；/20080904DATETIME。现在。日期。TOSTRING；/20089400000/获取时间DATETIME。现在。TOLONGTIMESTRING。TOSTRING；/201616DATETIME。现在。TOSHORTTIMESTRING。TOSTRING；/2016日期时间。现在，TOSTRING（“HHMMSS”）；/080557DATETIME。现在。属性。TOSTRING；/2033507187500/其他日期时间。TOFILETIME。TOSTRING；/128650040212500000DATETIME。现在。TOFILETIMEUTC。TOSTRING；/128650040772968750DATETIME。现在。TOOADATE。TOSTRING；/396958461709606DATETIME。现在。TOUNIVERSALTIME。TOSTRING；/200894121914DATETIME。现在。年。TOSTRING；获取年份/2008DATETIME。现在。月。TOSTRING；获取月份/9日期时间。现在，一周TOSTRING；获取星期/星期四。DATETIME。现在。DAYOFYEAR。TOSTRING；获取第几天/248DATETIME。现在。小时。TOSTRING；获取小时/20DATETIME。现在。分钟。TOSTRING；获取分钟/31DATETIME。现在。二。TOSTRING；获取秒数/45/N为一个数，可以数整数，也可以事小数DT。ADDYEARS（N）。TOSTRING；/时间加N年DT。ADDDAYS（N）。TOSTRING；/加N天DT。ADDHOURS（N）。TOSTRING；/加N小时DT。ADDMONTHS（N）。TOSTRING；/加N个月DT。ADDSECONDS（N）。TOSTRING；/加N秒DT。ADDMINUTES（N）。TOSTRING；/加N分3、第三种方式C中如何获取时间日期时间数字型新系统DATETIMESYSTEMDATETIME时间；一点一取当前年月日时分秒时间SYSTEMDATETIMENOW；一点二取当前年INT年CURRENTTIMEYEAR；一点三取当前月INT月CURRENTTIMEMONTH；一点四取当前日INT日CURRENTTIMEDAY；一点五取当前时INT时CURRENTTIMEHOUR；一点六TAKETHECURRENTSCOREINTBRANCHCURRENTTIMEMINUTEONEPOINTSEVENTAKECURRENTSECONDSINTSECONDCURRENTTIMESECONDONEPOINTEIGHTTAKECURRENTMILLISECONDSINTMILLISECONDCURRENTTIMEMILLISECONDVARIABLESAVAILABLEINCHINESEONEPOINTNINECHINESEDATEDISPLAYDAYANDMONTHSTRINGSTRYCURRENTTIMETOSTRING“F“/NODISPLAYSECONDSONEPOINTONEZEROCHINESEDATEDISPLAY_YEARSSTRINGSTRYMCURRENTTIMETOSTRING“Y“ONEPOINTONEONECHINESEDATEDISPLAY_APRILSTRINGSTRMDCURRENTTIMETOSTRING“M“ONEPOINTONETWOCHINESEDATESTRINGSTRYMDCURRENTTIMETOSTRING“D“ONEPOINTONETHREEWHENTHECURRENTTIMEISTAKEN,THEFORMATISFOURTEENTWENTYFOURSTRINGSTRTCURRENTTIMETOSTRING“T“ONEPOINTONEFOURTAKETHECURRENTTIME,FORMATAS20030923T144648STRINGSTRTCURRENTTIMETOSTRING“S“ONEPOINTONEFIVETAKETHECURRENTTIME,FORMATAS20030923144830ZSTRINGSTRTCURRENTTIMETOSTRING“U“ONEPOINTONESIXTAKETHECURRENTTIME,FORMATAS200309231448STRINGSTRTCURRENTTIMETOSTRING“G“ONEPOINTONESEVENTAKETHECURRENTTIME,FORMATASTUE,23SEP2003145240GMTSTRINGSTRTCURRENTTIMETOSTRING“R“ONEPOINTONEEIGHTGETCURRENTTIMENDATEANDTIMEOFDAYDATETIMENEWDAYDATETIMENOWADDDAYS100STRINGSTRTDATETIMENOWTOSTRING“YYYYMMDDHHMMSS“SYSTEMDATETIMECURRENTTIMENEWSYSTEMDATETIMECGETTINGCOMPLEXTIME,DATE/CBUILTINDATETIMEBASICALLY,THESEFUNCTIONSCANBEREALIZEDANDSKILLFULLYUSEDDATETIMEITMAKESITEASIERFORYOUTODEALWITHTHESETHINGS/TODAYDATETIMENOWDATETOSHORTDATESTRING/YESTERDAY,THATSTHEDATETODAYMINUSONEDATETIMENOWADDDAYS1TOSHORTDATESTRING/TOMORROW,THESAMEWAY,PLUSONEDATETIMENOWADDDAYS1TOSHORTDATESTRING/THISWEEKYOUKNOW,THEFIRSTDAYOFTHEWEEK,YOUHAVETOKNOWWHATDAYITISTODAY,SOYOUKNOWTHATTHEFIRSTDAYOFTHEWEEKISTHEDAYBEFOREEVERYWEEKHEREISFROMSUNDAYTOSATURDAYDATETIMENOWADDDAYSCONVERTTODOUBLE0CONVERTTOINT16DATETIMENOWDAYOFWEEKTOSHORTDATESTRINGDATETIMENOWADDDAYSCONVERTTODOUBLE6CONVERTTOINT16DATETIMENOWDAYOFWEEKTOSHORTDATESTRING/IFYOUDONTUNDERSTANDITYET,LOOKATTHEWAYSINWHICHTHEWEEKISDISPLAYEDINCHINESE/BECAUSEDAYOFWEEKITSTHENUMBEROFWEEKS,ANDWEREGOINGTOCONVERTITINTOCHINESEFOROURREADING,ANDSOMEPEOPLEMIGHTUSEITSWITCHAAGROUNDCONTROL,INFACT,DONOTBOTHERSTRINGDAYNEWSTRING“SUNDAY“,“MONDAY“,“TUESDAY“,“WEDNESDAY“,“THURSDAY“,“FRIDAY“,“SATURDAY“DAYCONVERTTOINT16DATETIMENOWDAYOFWEEK/LASTWEEK,INTHESAMEWAY,ONEWEEKWASSEVENWELL,LASTWEEKWASMINUSTHISWEEKSEVENDAY,NEXTWEEKISTHESAMEDATETIMENOWADDDAYSCONVERTTODOUBLE0CONVERTTOINT16DATETIMENOWDAYOFWEEKTOSHORTDATESTRING7DATETIMENOWADDDAYSCONVERTTODOUBLE6DATETIMENOWDAYOFWEEKCONVERTTOINT16TOSHORTDATESTRING7/下周DATETIMENOWADDDAYSCONVERTTODOUBLE0CONVERTTOINT16DATETIMENOWDAYOFWEEK7TOSHORTDATESTRINGDATETIMENOWADDDAYSCONVERTTODOUBLE6CONVERTTOINT16DATETIMENOWDAYOFWEEK7TOSHORTDATESTRING/本月,很多人都会说本月的第一天嘛肯定是1号,最后一天就是下个月一号再减一天当然这是对的,一般的写的/第一天DATETIMENOWYEARTOSTRINGDATETIMENOWMONTHTOSTRING“1“/最后一天DATETIMEPARSEDATETIMENOWYEARTOSTRINGDATETIMENOWMONTHTOSTRING“1“ADDMONTHS1ADDDAYS1TOSHORTDATESTRING/巧用C里TOSTRING的字符格式化更简便DATETIMENOWTOSTRING“YYYYMM01“DATETIMEPARSEDATETIMENOWTOSTRING“YYYYMM011ADDMONTHSADDDAYSTOSHORTDATESTRING1/上个月,减去一个月份DATETIMEPARSEDATETIMENOWTOSTRING“YYYYMM01“ADDMONTHS1TOSHORTDATESTRING/上上个月的最后一天,减去一个月份,再减去一天DATETIMEPARSEDATETIMENOWTOSTRING“YYYYMM01“ADDDAYS1TOSHORTDATESTRING/下个月,加上一个月份DATETIMEPARSEDATETIMENOWTOSTRING“YYYYMM01“ADDMONTHSTOSHORTDATESTRING1/下个月的最后一天,加上两个月份,再减去一天DATETIMEPARSEDATETIMENOWTOSTRING“YYYYMM012ADDMONTHSADDDAYSTOSHORTDATESTRING1/7天后DATETIMENOWDATETOSHORTDATESTRINGDATETIMENOWADDDAYSTOSHORTDATESTRING7/7天前DATETIMENOWADDDAYS7TOSHORTDATESTRINGDATETIMENOWDATETOSHORTDATESTRING/本年度,用TOSTRING的字符格式化我们也很容易地算出本年度的第一天和最后一天DATETIMEPARSEDATETIMENOWTOSTRING“01/01/YYYY“TOSHORTDATESTRINGDATETIMEPARSEDATETIMENOWTOSTRING“01/01/YYYY“ADDYEARSADDDAYS11TOSHORTDATESTRING/上年度,不用再解释了吧DATETIMEPARSEDATETIMENOWTOSTRING“01/01/YYYY“ADDYEARS1TOSHORTDATESTRINGDATETIMEPARSEDATETIMENOWTOSTRING“01/01/YYYY“ADDDAYS1TOSHORTDATESTRING/下年度DATETIMEPARSEDATETIMENOWTOSTRING“01/01/YYYY“ADDYEARSTOSHORTDATESTRING1DATETIMEPARSEDATETIMENOWTOSTRING“01/01/YYYY“ADDYEARS2ADDDAYS1TOSHORTDATESTRING/本季度,很多人都会觉得这里难点,需要写个长长的过程来判断其实不用的,WEALLKNOWTHATFOURQUARTERSAYEAR,ONEQUARTERTHREEMONTHS/FIRST,WEPUSHTHEDATETOTHEFIRSTMONTHOFTHESEASON,ANDTHENTHEFIRSTDA