日期格式转换

一。ConverDate.class

package com.hwtt.android.oa.tool;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;


public class ConverDate {

    
    private static final SimpleDateFormat DEFALUT_FORMAT = new SimpleDateFormat(
            "yyyy-MM-dd HH:mm:ss", Locale.getDefault());
    
    public static String formatTime(long time) {
        return DEFALUT_FORMAT.format(new Date(time));
    }
    
    //把日期转为字符串
    public static String ConverToString(Date date)
    {
        return DEFALUT_FORMAT.format(date);
    }
    //把字符串转为日期
    public static Date ConverToDate(String strDate) throws Exception
    {
        return DEFALUT_FORMAT.parse(strDate);
    }
    
    
    public void testPlusNum(){
             Date date = new Date();
           String currentDate =ConverToString(date);
            String year = currentDate.split("-")[0];
            int year_c = Integer.parseInt(year);
            int finalyear = year_c + 100;
            String finalyu = String.valueOf(finalyear);
             currentDate = currentDate.replace(year, finalyu);
    }
}