Java获取当前时间的年月日方法
package com.ob; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; public class DateTest { public static void main(String[] args) throws ParseException { Calendar now = Calendar.getInstance(); System.out.println("年: " + now.get(Calendar.YEAR)); System.out.println("月: " + (now.get(Calendar.MONTH) + 1) + ""); System.out.println("日: " + now.get(Calendar.DAY_OF_MONTH)); System.out.println("时: " + now.get(Calendar.HOUR_OF_DAY)); System.out.println("分: " + now.get(Calendar.MINUTE)); System.out.println("秒: " + now.get(Calendar.SECOND)); System.out.println("当前时间毫秒数:" + now.getTimeInMillis()); System.out.println(now.getTime()); Date d = new Date(); System.out.println(d); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String dateNowStr = sdf.format(d); System.out.println("格式化后的日期:" + dateNowStr); String str = "2012-1-13 17:26:33"; //要跟上面sdf定义的格式一样 Date today = sdf.parse(str); System.out.println("字符串转成日期:" + today); } }