将时间格式化到毫秒显示,直接看代码:
import java.text.SimpleDateFormat;
/**
* @author : chenfan
* @className : MyTest
* @date : Created in 2021/1/27 16:51
* @description : 时间格式化的示例
*/
public class MyTest {
public static void main(String[] args) {
String time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS").format(System.currentTimeMillis());
System.out.println("现在时刻:"+time);
}
}
运行结果:
现在时刻:2021-01-27 16:52:16.307
附录:
Java时间格式化字母表
标识符 含义 介绍 举例
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 ’