如何可視化各種DateTime格式的顯示方式？
[英]How can I visualize the way various DateTime formats will display?
問題描述
我希望能夠快速參考各種DateTime格式的顯示方式，而不是開始編輯，編譯，gawk和recurse的繁重過程，直到滿意為止。
4 個解決方案
解決方案1
10 2012-07-18 23:28:09
這顯示了當前文化的所有格式：
StringBuilder sb = new StringBuilder();
foreach (string dateTimePattern in DateTimeFormatInfo.CurrentInfo.GetAllDateTimePatterns()) {
sb.AppendFormat("{0} = {1}\r\n", dateTimePattern, DateTime.Now.ToString(dateTimePattern));
}
StringBuilder內容之后：
M/d/yyyy = 7/18/2012
M/d/yy = 7/18/12
MM/dd/yy = 07/18/12
MM/dd/yyyy = 07/18/2012
yy/MM/dd = 12/07/18
yyyy-MM-dd = 2012-07-18
dd-MMM-yy = 18-Jul-12
dddd, MMMM dd, yyyy = Wednesday, July 18, 2012
MMMM dd, yyyy = July 18, 2012
dddd, dd MMMM, yyyy = Wednesday, 18 July, 2012
dd MMMM, yyyy = 18 July, 2012
dddd, MMMM dd, yyyy h:mm tt = Wednesday, July 18, 2012 4:25 PM
dddd, MMMM dd, yyyy hh:mm tt = Wednesday, July 18, 2012 04:25 PM
dddd, MMMM dd, yyyy H:mm = Wednesday, July 18, 2012 16:25
dddd, MMMM dd, yyyy HH:mm = Wednesday, July 18, 2012 16:25
MMMM dd, yyyy h:mm tt = July 18, 2012 4:25 PM
MMMM dd, yyyy hh:mm tt = July 18, 2012 04:25 PM
MMMM dd, yyyy H:mm = July 18, 2012 16:25
MMMM dd, yyyy HH:mm = July 18, 2012 16:25
dddd, dd MMMM, yyyy h:mm tt = Wednesday, 18 July, 2012 4:25 PM
dddd, dd MMMM, yyyy hh:mm tt = Wednesday, 18 July, 2012 04:25 PM
dddd, dd MMMM, yyyy H:mm = Wednesday, 18 July, 2012 16:25
dddd, dd MMMM, yyyy HH:mm = Wednesday, 18 July, 2012 16:25
dd MMMM, yyyy h:mm tt = 18 July, 2012 4:25 PM
dd MMMM, yyyy hh:mm tt = 18 July, 2012 04:25 PM
dd MMMM, yyyy H:mm = 18 July, 2012 16:25
dd MMMM, yyyy HH:mm = 18 July, 2012 16:25
dddd, MMMM dd, yyyy h:mm:ss tt = Wednesday, July 18, 2012 4:25:17 PM
dddd, MMMM dd, yyyy hh:mm:ss tt = Wednesday, July 18, 2012 04:25:17 PM
dddd, MMMM dd, yyyy H:mm:ss = Wednesday, July 18, 2012 16:25:17
dddd, MMMM dd, yyyy HH:mm:ss = Wednesday, July 18, 2012 16:25:17
MMMM dd, yyyy h:mm:ss tt = July 18, 2012 4:25:17 PM
MMMM dd, yyyy hh:mm:ss tt = July 18, 2012 04:25:17 PM
MMMM dd, yyyy H:mm:ss = July 18, 2012 16:25:17
MMMM dd, yyyy HH:mm:ss = July 18, 2012 16:25:17
dddd, dd MMMM, yyyy h:mm:ss tt = Wednesday, 18 July, 2012 4:25:17 PM
dddd, dd MMMM, yyyy hh:mm:ss tt = Wednesday, 18 July, 2012 04:25:17 PM
dddd, dd MMMM, yyyy H:mm:ss = Wednesday, 18 July, 2012 16:25:17
dddd, dd MMMM, yyyy HH:mm:ss = Wednesday, 18 July, 2012 16:25:17
dd MMMM, yyyy h:mm:ss tt = 18 July, 2012 4:25:17 PM
dd MMMM, yyyy hh:mm:ss tt = 18 July, 2012 04:25:17 PM
dd MMMM, yyyy H:mm:ss = 18 July, 2012 16:25:17
dd MMMM, yyyy HH:mm:ss = 18 July, 2012 16:25:17
M/d/yyyy h:mm tt = 7/18/2012 4:25 PM
M/d/yyyy hh:mm tt = 7/18/2012 04:25 PM
M/d/yyyy H:mm = 7/18/2012 16:25
M/d/yyyy HH:mm = 7/18/2012 16:25
M/d/yy h:mm tt = 7/18/12 4:25 PM
M/d/yy hh:mm tt = 7/18/12 04:25 PM
M/d/yy H:mm = 7/18/12 16:25
M/d/yy HH:mm = 7/18/12 16:25
MM/dd/yy h:mm tt = 07/18/12 4:25 PM
MM/dd/yy hh:mm tt = 07/18/12 04:25 PM
MM/dd/yy H:mm = 07/18/12 16:25
MM/dd/yy HH:mm = 07/18/12 16:25
MM/dd/yyyy h:mm tt = 07/18/2012 4:25 PM
MM/dd/yyyy hh:mm tt = 07/18/2012 04:25 PM
MM/dd/yyyy H:mm = 07/18/2012 16:25
MM/dd/yyyy HH:mm = 07/18/2012 16:25
yy/MM/dd h:mm tt = 12/07/18 4:25 PM
yy/MM/dd hh:mm tt = 12/07/18 04:25 PM
yy/MM/dd H:mm = 12/07/18 16:25
yy/MM/dd HH:mm = 12/07/18 16:25
yyyy-MM-dd h:mm tt = 2012-07-18 4:25 PM
yyyy-MM-dd hh:mm tt = 2012-07-18 04:25 PM
yyyy-MM-dd H:mm = 2012-07-18 16:25
yyyy-MM-dd HH:mm = 2012-07-18 16:25
dd-MMM-yy h:mm tt = 18-Jul-12 4:25 PM
dd-MMM-yy hh:mm tt = 18-Jul-12 04:25 PM
dd-MMM-yy H:mm = 18-Jul-12 16:25
dd-MMM-yy HH:mm = 18-Jul-12 16:25
M/d/yyyy h:mm:ss tt = 7/18/2012 4:25:17 PM
M/d/yyyy hh:mm:ss tt = 7/18/2012 04:25:17 PM
M/d/yyyy H:mm:ss = 7/18/2012 16:25:17
M/d/yyyy HH:mm:ss = 7/18/2012 16:25:17
M/d/yy h:mm:ss tt = 7/18/12 4:25:17 PM
M/d/yy hh:mm:ss tt = 7/18/12 04:25:17 PM
M/d/yy H:mm:ss = 7/18/12 16:25:17
M/d/yy HH:mm:ss = 7/18/12 16:25:17
MM/dd/yy h:mm:ss tt = 07/18/12 4:25:17 PM
MM/dd/yy hh:mm:ss tt = 07/18/12 04:25:17 PM
MM/dd/yy H:mm:ss = 07/18/12 16:25:17
MM/dd/yy HH:mm:ss = 07/18/12 16:25:17
MM/dd/yyyy h:mm:ss tt = 07/18/2012 4:25:17 PM
MM/dd/yyyy hh:mm:ss tt = 07/18/2012 04:25:17 PM
MM/dd/yyyy H:mm:ss = 07/18/2012 16:25:17
MM/dd/yyyy HH:mm:ss = 07/18/2012 16:25:17
yy/MM/dd h:mm:ss tt = 12/07/18 4:25:17 PM
yy/MM/dd hh:mm:ss tt = 12/07/18 04:25:17 PM
yy/MM/dd H:mm:ss = 12/07/18 16:25:17
yy/MM/dd HH:mm:ss = 12/07/18 16:25:17
yyyy-MM-dd h:mm:ss tt = 2012-07-18 4:25:17 PM
yyyy-MM-dd hh:mm:ss tt = 2012-07-18 04:25:17 PM
yyyy-MM-dd H:mm:ss = 2012-07-18 16:25:17
yyyy-MM-dd HH:mm:ss = 2012-07-18 16:25:17
dd-MMM-yy h:mm:ss tt = 18-Jul-12 4:25:17 PM
dd-MMM-yy hh:mm:ss tt = 18-Jul-12 04:25:17 PM
dd-MMM-yy H:mm:ss = 18-Jul-12 16:25:17
dd-MMM-yy HH:mm:ss = 18-Jul-12 16:25:17
MMMM dd = July 18
MMMM dd = July 18
yyyy'-'MM'-'dd'T'HH':'mm':'ss.fffffffK = 2012-07-18T16:25:17.0961142-07:00
yyyy'-'MM'-'dd'T'HH':'mm':'ss.fffffffK = 2012-07-18T16:25:17.0961142-07:00
ddd, dd MMM yyyy HH':'mm':'ss 'GMT' = Wed, 18 Jul 2012 16:25:17 GMT
ddd, dd MMM yyyy HH':'mm':'ss 'GMT' = Wed, 18 Jul 2012 16:25:17 GMT
yyyy'-'MM'-'dd'T'HH':'mm':'ss = 2012-07-18T16:25:17
h:mm tt = 4:25 PM
hh:mm tt = 04:25 PM
H:mm = 16:25
HH:mm = 16:25
h:mm:ss tt = 4:25:17 PM
hh:mm:ss tt = 04:25:17 PM
H:mm:ss = 16:25:17
HH:mm:ss = 16:25:17
yyyy'-'MM'-'dd HH':'mm':'ss'Z' = 2012-07-18 16:25:17Z
dddd, MMMM dd, yyyy h:mm:ss tt = Wednesday, July 18, 2012 4:25:17 PM
dddd, MMMM dd, yyyy hh:mm:ss tt = Wednesday, July 18, 2012 04:25:17 PM
dddd, MMMM dd, yyyy H:mm:ss = Wednesday, July 18, 2012 16:25:17
dddd, MMMM dd, yyyy HH:mm:ss = Wednesday, July 18, 2012 16:25:17
MMMM dd, yyyy h:mm:ss tt = July 18, 2012 4:25:17 PM
MMMM dd, yyyy hh:mm:ss tt = July 18, 2012 04:25:17 PM
MMMM dd, yyyy H:mm:ss = July 18, 2012 16:25:17
MMMM dd, yyyy HH:mm:ss = July 18, 2012 16:25:17
dddd, dd MMMM, yyyy h:mm:ss tt = Wednesday, 18 July, 2012 4:25:17 PM
dddd, dd MMMM, yyyy hh:mm:ss tt = Wednesday, 18 July, 2012 04:25:17 PM
dddd, dd MMMM, yyyy H:mm:ss = Wednesday, 18 July, 2012 16:25:17
dddd, dd MMMM, yyyy HH:mm:ss = Wednesday, 18 July, 2012 16:25:17
dd MMMM, yyyy h:mm:ss tt = 18 July, 2012 4:25:17 PM
dd MMMM, yyyy hh:mm:ss tt = 18 July, 2012 04:25:17 PM
dd MMMM, yyyy H:mm:ss = 18 July, 2012 16:25:17
dd MMMM, yyyy HH:mm:ss = 18 July, 2012 16:25:17
MMMM, yyyy = July, 2012
MMMM, yyyy = July, 2012
我不確定為什么會重復幾種模式。
解決方案2
5 2012-12-19 06:58:17
自定義日期時間格式
有以下自定義格式說明符y（年），M（月），d（日），h（小時12），H（小時24），m（分鍾），s（秒），f（第二分數），F （第二部分，尾隨零被修剪），t（PM或AM）和z（時區）。
以下示例演示了如何將格式說明符重寫為輸出。 [C＃]
// create date time 2008-03-09 16:05:07.123
DateTime dt = new DateTime(2008, 3, 9, 16, 5, 7, 123);
String.Format("{0:y yy yyy yyyy}", dt); // "8 08 008 2008" year
String.Format("{0:M MM MMM MMMM}", dt); // "3 03 Mar March" month
String.Format("{0:d dd ddd dddd}", dt); // "9 09 Sun Sunday" day
String.Format("{0:h hh H HH}", dt); // "4 04 16 16" hour 12/24
String.Format("{0:m mm}", dt); // "5 05" minute
String.Format("{0:s ss}", dt); // "7 07" second
String.Format("{0:f ff fff ffff}", dt); // "1 12 123 1230" sec.fraction
String.Format("{0:F FF FFF FFFF}", dt); // "1 12 123 123" without zeroes
String.Format("{0:t tt}", dt); // "P PM" A.M. or P.M.
String.Format("{0:z zz zzz}", dt); // "-6 -06 -06:00" time zone
您還可以使用日期分隔符/（斜杠）和時間分隔符:(冒號）。 這些字符將被重寫為當前DateTimeFormatInfo.DateSeparator和DateTimeFormatInfo.TimeSeparator中定義的字符。
// date separator in german culture is "." (so "/" changes to ".")
String.Format("{0:d/M/yyyy HH:mm:ss}", dt); // "9/3/2008 16:05:07" - english (en-US)
String.Format("{0:d/M/yyyy HH:mm:ss}", dt); // "9.3.2008 16:05:07" - german (de-DE)
以下是自定義日期和時間格式的一些示例：
// month/day numbers without/with leading zeroes
String.Format("{0:M/d/yyyy}", dt); // "3/9/2008"
String.Format("{0:MM/dd/yyyy}", dt); // "03/09/2008"
// day/month names
String.Format("{0:ddd, MMM d, yyyy}", dt); // "Sun, Mar 9, 2008"
String.Format("{0:dddd, MMMM d, yyyy}", dt); // "Sunday, March 9, 2008"
// two/four digit year
String.Format("{0:MM/dd/yy}", dt); // "03/09/08"
String.Format("{0:MM/dd/yyyy}", dt); // "03/09/2008"
標准日期時間格式
在DateTimeFormatInfo中，為當前文化定義了標准模式。 例如，屬性ShortTimePattern是包含用於en-US文化的值h：mm tt和用於de-DE文化的值HH：mm的字符串。
以下示例顯示了String.Format方法中標准格式說明符的使用以及結果輸出。
String.Format("{0:t}", dt); //"4:05 PM" ShortTime
String.Format("{0:d}", dt); //"3/9/2008" ShortDate
String.Format("{0:T}", dt); //"4:05:07 PM" LongTime
String.Format("{0:D}", dt); //"Sunday, March 09, 2008" LongDate
String.Format("{0:f}", dt); //"Sunday, March 09, 2008 4:05 PM" LongDate+ShortTime
String.Format("{0:F}", dt); //"Sunday, March 09, 2008 4:05:07 PM" FullDateTime
String.Format("{0:g}", dt); //"3/9/2008 4:05 PM" ShortDate+ShortTime
String.Format("{0:G}", dt); //"3/9/2008 4:05:07 PM" ShortDate+LongTime
String.Format("{0:m}", dt); //"March 09" MonthDay
String.Format("{0:y}", dt); //"March, 2008" YearMonth
String.Format("{0:r}", dt); //"Sun, 09 Mar 2008 16:05:07 GMT" RFC1123
String.Format("{0:s}", dt); //"2008-03-09T16:05:07" SortableDateTime
String.Format("{0:u}", dt); // "2008-03-09 16:05:07Z" UniversalSortableDateTime
解決方案3
1 已采納 2012-07-18 23:06:44
DateTime.Now.ToString("D") displays "Wednesday, July 18, 2012"
DateTime.Now.ToString("d") displays "7/18/2012"
DateTime.Now.ToString("F") displays "Wednesday, July 18, 2012 3:57:13 PM"
DateTime.Now.ToString("f") displays "Wednesday, July 18, 2012 3:57 PM"
DateTime.Now.ToString("G") displays "7/18/2012 3:57 PM"
DateTime.Now.ToString("g") displays "7/18/2012 3:57:30 PM"
DateTime.Now.ToString("M") displays "July 18"
DateTime.Now.ToString("R") displays "Wed, 18 Jul 2012 15:57:55 GMT"
DateTime.Now.ToString("s") displays "2012-07-18T15:58:02"
DateTime.Now.ToString("T") displays "3:56:38 PM"
DateTime.Now.ToString("t") displays "3:56 PM"
DateTime.Now.ToString("U") displays "Wednesday, July 18, 2012 10:58:09 PM"
DateTime.Now.ToString("u") displays "2012-07-18 15:58:17Z"
DateTime.Now.ToString("Y") displays "July, 2012"
DateTime.Now.ToString("42") displays "42"
解決方案4
1 2012-07-18 23:25:51
我這樣做了一次......我做的是創建一個Windows應用程序，在其上放置一個Label和一個TextBox並附加到TextBox Change事件上
Label1.Text = DateTime.Now.ToString(TextBox1.Text)
非常簡單，可以幫助您立即嘗試。
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