时间格式化到毫秒 - 用Java的处理方法

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 ’
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