java 格式化时间

	public static void main(String[] args)
	{
//		System.out.println(System.currentTimeMillis());
		SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MMM-dd HH:mm:ss:SSS");
		String formatStr =formatter.format(new Date());
		System.out.println(formatStr);//2017-九月-15 13:17:08:355
	
		SimpleDateFormat formatter2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:SSS");
		String formatStr2 =formatter2.format(new Date());
		System.out.println(formatStr2);//2017-09-15 13:18:44:672

		
	}

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	'

参考来自：http://blog.csdn.net/iplayvs2008/article/details/41910835