java获取时间

1.获取年月日

Calendar aa=Calendar.getInstance();
int year=aa.get(Calendar.YEAR);
int month=aa.get(Calendar.MONTH+1);
        

2.整体获取

Date date1=new Date();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Timestamp date=new Timestamp(date1.getTime());