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
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