日期格式转化大全

package time_format_Daquan;

import time_format_Daquan.*;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class DateParserT {

    /**
     * Date 与  String、long 的相互转换
     * @param args
     */
    public static void main(String[] args) {

        Date dt =new Date();
        System.out.println(dt); //格式: Wed Jul 06 09:28:19 CST 2016

        String formatDate = null;

        //格式:2016-7-6
        formatDate = DateFormat.getDateInstance().format(dt);
        System.out.println(formatDate);

        //格式:2016年7月6日 星期三
        formatDate = DateFormat.getDateInstance(DateFormat.FULL).format(dt);
        System.out.println(formatDate);

        //格式 24小时制:2016-07-06 09:39:58
        DateFormat dFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); //HH表示24小时制;
        formatDate = dFormat.format(dt);
        System.out.println(formatDate);

        //格式12小时制:2016-07-06 09:42:44
        DateFormat dFormat12 = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); //hh表示12小时制;
        formatDate = dFormat12.format(dt);
        System.out.println(formatDate);

        //格式去掉分隔符24小时制:20160706094533
        DateFormat dFormat3 = new SimpleDateFormat("yyyyMMddHHmmss");
        formatDate = dFormat3.format(dt);
        System.out.println(formatDate);

        //格式转成long型:1467770970
        long lTime = dt.getTime() / 1000;
        System.out.println(lTime);

        //格式long型转成Date型,再转成String:  1464710394 -> ltime2*1000 -> 2016-05-31 23:59:54
        long ltime2 = 1464710394;
        SimpleDateFormat lsdFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date lDate = new Date(ltime2*1000);
        String lStrDate = lsdFormat.format(lDate);
        System.out.println(lStrDate);

        //格式String型转成Date型:2016-07-06 10:17:48 -> Wed Jul 06 10:17:48 CST 2016
        String strDate = "2016-07-06 10:17:48";
        SimpleDateFormat lsdStrFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            Date strD = lsdStrFormat.parse(strDate);
            System.out.println(strD);
        } catch (ParseException e) {
            e.printStackTrace();
        }

    }

}

 

posted @ 2017-09-12 20:46  娜娜娜娜小姐姐  阅读(222)  评论(0)    收藏  举报