java日期格式(年月日时分秒毫秒)

2018/05/25 14:46
阅读数 963
package test.remote.tools.combine;  
  
import java.text.SimpleDateFormat;  
import java.util.Calendar;  
import java.util.Date;  
import java.util.GregorianCalendar;  
  
public class TestOutDate   
{  
    public static void main(String[] args)  
    {  
        //method 1  
        Calendar nowtime = new GregorianCalendar();  
        String strDateTime="["+String.format("%04d", nowtime.get(Calendar.YEAR))+"/"+  
                String.format("%02d", nowtime.get(Calendar.MONTH))+"/" +  
                String.format("%02d", nowtime.get(Calendar.DATE))+" " +  
                String.format("%02d", nowtime.get(Calendar.HOUR))+":" +  
                String.format("%02d", nowtime.get(Calendar.MINUTE))+":" +  
                String.format("%02d", nowtime.get(Calendar.SECOND))+"." +  
                String.format("%03d", nowtime.get(Calendar.MILLISECOND))+"]";  
        System.out.println(strDateTime);  
          
        //method 2  
        String msg="";  
        Date date = new Date();  
        SimpleDateFormat sdf = new SimpleDateFormat("YYYY/MM/dd HH:mm:ss.SSS");  
        msg+="["+sdf.format(date)+"]";  
          
        System.out.println(msg);  
    }  
}  

 运行结果:

[2018/04/25 02:51:33.379]

[2018/05/25 14:51:33.393]

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