java格式化时间到毫秒

最新推荐文章于 2024-07-14 02:52:57 发布

转载最新推荐文章于 2024-07-14 02:52:57 发布 · 1.1w 阅读

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博客介绍了Java格式化时间到毫秒的方法，使用SimpleDateFormat类，格式为“dd-MMM-yyyy HH:mm:ss:SSS”，还提及C#用的是fff，最后附录了Java格式化字母表。

java格式化时间到毫秒：

SimpleDateFormat formatter = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss:SSS");

跟c#不同，c#用的是fff

String formatStr =formatter.format(new Date();

附录：

java格式化字母表

Symbol	Meaning	Presentation	Example
G	era designator	Text	AD
y	year	Number	2009
M	month in year	Text & Number	July & 07
d	day in month	Number	10
h	hour in am/pm (1-12)	Number	12
H	hour in day (0-23)	Number	0
m	minute in hour	Number	30
s	second in minute	Number	55
S	millisecond	Number	978
E	day in week	Text	Tuesday
D	day in year	Number	189
F	day of week in month	Number	2 (2nd Wed in July)
w	week in year	Number	27
W	week in month	Number	2
a	am/pm marker	Text	PM
k	hour in day (1-24)	Number	24
K	hour in am/pm (0-11)	Number	0
z	time zone	Text	Pacific Standard Time
'	escape for text	Delimiter	(none)
'	single quote	Literal	'