dateutil.java

jaguey,网上的一个朋友给我的

package net.javapassion.jaguey.util;

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

//版本: JagueyBBS 1.1
//功能: 论坛日期时间格式化
//作者: 赵程佳
//时间: 2006-02-08 20:11:49

public class DateUtil {

	public static String formatDate0(Date date) {
	    SimpleDateFormat outFormat = new SimpleDateFormat("yyyy-MM-dd");
	    return outFormat.format(date);
	}
	
	public static String formatDate1(Date date) {
	    SimpleDateFormat outFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	    return outFormat.format(date);
	}

	public static String formatDate2(Date date) {
	    SimpleDateFormat formatter = new SimpleDateFormat("yyyy/MM/dd");
	    String strDate = formatter.format(date);
	    return strDate;
	}

	public static String formatDate3(Date date) {
	    SimpleDateFormat formatter = new SimpleDateFormat("MM-dd HH:mm");
	    String strDate = formatter.format(date);
	    return strDate;
	}

	public static String formatDate4(Date date) {
	    SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
	    String strDate = formatter.format(date);
	    return strDate;
	}

	public static String formatDate5(Date date) {
	    String strDate = getYear(date) + "-" + getMonth(date) + "-" + getDay(date);
	    return strDate;
	}

	public static String formatDate6(Date date) {
	    SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm");
	    String strDate = formatter.format(date);
	    return strDate;
	}
	
	public static String formatDate7(Date date) {
		String year = String.valueOf(getYear(date)).substring(2);
		String month = String.valueOf(getMonth(date));
		if (month.length() == 1) {
			month = "0" + month;
		}
		String day = String.valueOf(getDay(date));
		if (day.length() == 1) {
			day = "0" + day;
		}
		String strDate = year + month + day;
		return strDate;
	}
	
	public static int getYear(Date date) {
	    Calendar cld = Calendar.getInstance();
	    cld.setTime(date);
	    return cld.get(Calendar.YEAR);
	}
	
	public static int getMonth(Date date) {
	    Calendar cld = Calendar.getInstance();
	    cld.setTime(date);
	    return cld.get(Calendar.MONTH) + 1;
	}

	public static int getDay(Date date) {
	    Calendar cld = Calendar.getInstance();
	    cld.setTime(date);
	    return cld.get(Calendar.DAY_OF_MONTH);
	}
}