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[C#] 코드 실행 시간 측정 및 DateTime 스트링으로 변환 포맷

by lizard2019 posted Jan 23, 2019
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코드 실행 시간 측정 

 

        static string MeasureRunTime(DateTime startDateTime)

        {

            DateTime endDateTime = new DateTime();

            endDateTime = DateTime.Now;

            DateTime lapTIme = new DateTime() + endDateTime.Subtract(startDateTime);

 

            return lapTIme.ToString("mm:ss");

        }

 

...

            DateTime startDateTime = new DateTime();

            startDateTime = DateTime.Now;

 

            수행 코드

 

            label3.Text = MeasureRunTime(startDateTime);

 

...

 

 

DataTime 형식을 스트링으로 표시하는 방법은 표를 참조.

 

Format E.g. Result
DateTime.Now.ToString("MM/dd/yyyy") 05/29/2015
DateTime.Now.ToString("dddd, dd MMMM yyyy") Friday, 29 May 2015
DateTime.Now.ToString("dddd, dd MMMM yyyy") Friday, 29 May 2015 05:50
DateTime.Now.ToString("dddd, dd MMMM yyyy") Friday, 29 May 2015 05:50 AM
DateTime.Now.ToString("dddd, dd MMMM yyyy") Friday, 29 May 2015 5:50
DateTime.Now.ToString("dddd, dd MMMM yyyy") Friday, 29 May 2015 5:50 AM
DateTime.Now.ToString("dddd, dd MMMM yyyy HH:mm:ss") Friday, 29 May 2015 05:50:06
DateTime.Now.ToString("MM/dd/yyyy HH:mm") 05/29/2015 05:50
DateTime.Now.ToString("MM/dd/yyyy hh:mm tt") 05/29/2015 05:50 AM
DateTime.Now.ToString("MM/dd/yyyy H:mm") 05/29/2015 5:50
DateTime.Now.ToString("MM/dd/yyyy h:mm tt") 05/29/2015 5:50 AM
DateTime.Now.ToString("MM/dd/yyyy HH:mm:ss") 05/29/2015 05:50:06
DateTime.Now.ToString("MMMM dd") May 29
DateTime.Now.ToString("yyyy’-‘MM’-‘dd’T’HH’:’mm’:’ss.fffffffK") 2015-05-16T05:50:06.7199222-04:00
DateTime.Now.ToString("ddd, dd MMM yyy HH’:’mm’:’ss ‘GMT’") Fri, 16 May 2015 05:50:06 GMT
DateTime.Now.ToString("yyyy’-‘MM’-‘dd’T’HH’:’mm’:’ss") 2015-05-16T05:50:06
DateTime.Now.ToString("HH:mm") 05:50
DateTime.Now.ToString("hh:mm tt") 05:50 AM
DateTime.Now.ToString("H:mm") 5:50
DateTime.Now.ToString("h:mm tt") 5:50 AM
DateTime.Now.ToString("HH:mm:ss") 05:50:06
DateTime.Now.ToString("yyyy MMMM") 2015 May
  1. d -> Represents the day of the month as a number from 1 through 31. 
     
  2. dd -> Represents the day of the month as a number from 01 through 31. 
     
  3. ddd-> Represents the abbreviated name of the day (Mon, Tues, Wed etc).
     
  4. dddd-> Represents the full name of the day (Monday, Tuesday etc).
     
  5. h 12-hour clock hour (e.g. 4).
     
  6. hh 12-hour clock, with a leading 0 (e.g. 06)
     
  7. H 24-hour clock hour (e.g. 15)
     
  8. HH 24-hour clock hour, with a leading 0 (e.g. 22)
     
  9. m Minutes
     
  10. mm Minutes with a leading zero
     
  11. M Month number(eg.3)
     
  12. MM Month number with leading zero(eg.04)
     
  13. MMM Abbreviated Month Name (e.g. Dec)
     
  14. MMMM Full month name (e.g. December)
     
  15. s Seconds
     
  16. ss Seconds with leading zero
     
  17. t Abbreviated AM / PM (e.g. A or P)
     
  18. tt AM / PM (e.g. AM or PM
     
  19. y Year, no leading zero (e.g. 2015 would be 15)
     
  20. yy Year, leadin zero (e.g. 2015 would be 015)
     
  21. yyy Year, (e.g. 2015)
     
  22. yyyy Year, (e.g. 2015)
     
  23. K Represents the time zone information of a date and time value (e.g. +05:00)
     
  24. z With DateTime values, represents the signed offset of the local operating system's time zone from

    Coordinated Universal Time (UTC), measured in hours. (e.g. +6)
     
  25. zz As z, but with leading zero (e.g. +06)
     
  26. zzz With DateTime values, represents the signed offset of the local operating system's time zone from UTC,measured in hours and minutes. (e.g. +06:00)
     
  27. f Represents the most significant digit of the seconds fraction; that is, it represents the tenths of a second in a date and time value.
     
  28. ff Represents the two most significant digits of the seconds fraction in date and time
     
  29. fff Represents the three most significant digits of the seconds fraction; that is, it represents the milliseconds in a date and time value.
     
  30. ffff Represents the four most significant digits of the seconds fraction; that is, it represents the ten thousandths of a second in a date and time value. While it is possible to display the ten thousandths of a second component of a time value, that value may not be meaningful.
     
  31. fffff Represents the five most significant digits of the seconds fraction; that is, it represents the hundred thousandths of a second in a date and time value. 
     
  32. ffffff Represents the six most significant digits of the seconds fraction; that is, it represents the millionths of a Second in a date and time value.
     
  33. fffffff Represents the seven most significant digits of the seconds fraction; that is, it represents the ten millionths of a second in a date and time value.
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