JAVA日期格式化

package mymaven;import java.text.SimpleDateFormat;import java.util.Date;public class Test {public static void main(String[] args) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  Date date = new Date();  String strDate = sdf.format(date);  System.out.println(strDate);}}

输出当前系统时间

2017-03-31 10:23:23