SimpleDateFormat

来源：互联网发布：maven nexus windows 编辑：程序博客网时间：2024/06/06 00:48
1-------------------------------------------------------------------------------------package com.neusoft.date;import Java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;public class SimpleDateFormat01{    public static void main(String[] args) throws ParseException    {        // TODO Auto-generated method stub      String str = "2009-02-15 09:21:35.345";      SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss.SSS");      SimpleDateFormat sdf2 = new SimpleDateFormat("yyyy年MM月dd日 hh时mm分ss秒SSS毫秒");      Date date = sdf1.parse(str);//提取格式中的日期      System.out.println("转换之前的日期："+date);      String newStr = sdf2.format(date); //改变格式      System.out.println("转换之后的日期："+newStr);            }} 2-------------------------------------------------------------------------------------package com.neusoft.date;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;public class SimpleDateFormatDemo02{ public static void main(String []args) throws ParseException{    String str = "2009-02-15 09:21:35.345";//接收参数    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss.SSS");    SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy年MM月dd日");    Date date = sdf.parse(str);//提取格式中的日期    String str1 = sdf1.format(date);    System.out.println(date);    System.out.println(str1);     }}3-------------------------------------------------------------------------------------package com.neusoft.date;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;public class SimpleDateFormatDemo03{    SimpleDateFormat sdf = null;    //2012-03-05    public String DateFormat(){        this.sdf = new SimpleDateFormat("yyyy-MM-dd");        String str = this.sdf.format(new Date());        return str;    }    //2012-03-05 05:27:15:390    public String DateFormat1(){        this.sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss:SSS");        String str = this.sdf.format(new Date());        return str;    }    //2012年03月05日    public String dateNewFormat(){        this.sdf = new SimpleDateFormat("yyyy年MM月dd日");        String str = this.sdf.format(new Date());        return str;    }    //2012年03月05日05时26分19秒437毫秒    public String dateNewFormat1(){        this.sdf = new SimpleDateFormat("yyyy年MM月dd日hh时mm分ss秒SSS毫秒");        String str = this.sdf.format(new Date());        return str;    }    public String dateNewFormat2(){        this.sdf = new SimpleDateFormat("yyyyMMddhhmmssSSS");        String str = this.sdf.format(new Date());        return str;    } public static void main(String []args) throws ParseException{     SimpleDateFormatDemo03 ss= new SimpleDateFormatDemo03();     System.out.println(ss.DateFormat());     System.out.println(ss.DateFormat1());     System.out.println(ss.dateNewFormat());     System.out.println(ss.dateNewFormat1());     System.out.println(ss.dateNewFormat2()); }}
0 0