Java超全Datetime处理的类，DateUtil

import java.text.DateFormat;
import java.text.ParseException;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;

/**
 * @author: (le.qiao)
 * @e-mail: [e-mail]
 * @myblog: <a href="http://qiaolevip.iteye.com">http://qiaolevip.iteye.com</a>
 * @date: 2012-8-14
 * 
 */
public class DatetimeUtil {

	public static final String C_TIME_PATTON_DEFAULT = "yyyy-MM-dd HH:mm:ss";

	// 用来全局控制 上一周，本周，下一周的周数变化
	private static int weeks = 0;

	private static int MaxDate;// 一月最大天数

	private static int MaxYear;// 一年最大天数

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		System.out.println("一周前日期：" + DatetimeUtil.date2String(DatetimeUtil.addDays(-7)));
		System.out.println("两天前日期：" + DatetimeUtil.date2String(DatetimeUtil.addDays(-2)));
		System.out.println("昨天日期：" + DatetimeUtil.date2String(DatetimeUtil.addDays(-1)));
		System.out.println("今天日期：" + DatetimeUtil.date2String(DatetimeUtil.addDays(0)));
		System.out.println("明天日期：" + DatetimeUtil.date2String(DatetimeUtil.addDays(1)));
		System.out.println("两天后日期：" + DatetimeUtil.date2String(DatetimeUtil.addDays(2)));
		System.out.println("一周后日期：" + DatetimeUtil.date2String(DatetimeUtil.addDays(7)));

		System.out.println("获取当天日期:" + DatetimeUtil.getNowTime("yyyy-MM-dd"));
		System.out.println("获取本周一日期:" + DatetimeUtil.getMondayOFWeek());
		System.out.println("获取本周日的日期~:" + DatetimeUtil.getCurrentWeekday());
		System.out.println("获取上周一日期:" + DatetimeUtil.getPreviousWeekday());
		System.out.println("获取上周日日期:" + DatetimeUtil.getPreviousWeekSunday());
		System.out.println("获取下周一日期:" + DatetimeUtil.getNextMonday());
		System.out.println("获取下周日日期:" + DatetimeUtil.getNextSunday());
		System.out.println("获取本月第一天日期:" + DatetimeUtil.getFirstDayOfMonth());
		System.out.println("获取本月最后一天日期:" + DatetimeUtil.getDefaultDay());
		System.out.println("获取上月第一天日期:" + DatetimeUtil.getPreviousMonthFirst());
		System.out.println("获取上月最后一天的日期:" + DatetimeUtil.getPreviousMonthEnd());
		System.out.println("获取下月第一天日期:" + DatetimeUtil.getNextMonthFirst());
		System.out.println("获取下月最后一天日期:" + DatetimeUtil.getNextMonthEnd());
		System.out.println("获取本年的第一天日期:" + DatetimeUtil.getCurrentYearFirst());
		System.out.println("获取本年最后一天日期:" + DatetimeUtil.getCurrentYearEnd());
		System.out.println("获取去年的第一天日期:" + DatetimeUtil.getPreviousYearFirst());
		System.out.println("获取去年的最后一天日期:" + DatetimeUtil.getPreviousYearEnd());
		System.out.println("获取明年第一天日期:" + DatetimeUtil.getNextYearFirst());
		System.out.println("获取明年最后一天日期:" + DatetimeUtil.getNextYearEnd());
		System.out.println("获取本季度第一天到最后一天:" + DatetimeUtil.getThisSeasonTime(11));
		System.out.println("获取两个日期之间间隔天数2008-12-1~2008-9.29:" + DatetimeUtil.getTwoDay("2008-12-1", "2008-9-29"));
	}

	/**
	 * 获得当前时间，格式yyyy-MM-dd hh:mm:ss
	 * 
	 * @param format
	 * @return
	 */
	public static String getCurrentDate() {
		return getCurrentDate(C_TIME_PATTON_DEFAULT);
	}

	/**
	 * 获得当前时间，格式自定义
	 * 
	 * @param format
	 * @return
	 */
	public static String getCurrentDate(String format) {
		if (!"".equals(format)) {
			format = C_TIME_PATTON_DEFAULT;
		}
		Calendar day = Calendar.getInstance();
		day.add(Calendar.DATE, 0);
		SimpleDateFormat sdf = new SimpleDateFormat(format);// "yyyy-MM-dd"
		String date = sdf.format(day.getTime());
		return date;
	}

	/**
	 * 日期转字符串
	 * 
	 * @param date
	 * @return
	 */
	public static String date2String(Date date) {
		SimpleDateFormat sdf = new SimpleDateFormat(C_TIME_PATTON_DEFAULT);
		return sdf.format(date);
	}

	/**
	 * 获得昨天时间
	 * 
	 * @return
	 */
	public static String getYesterdayDate() {
		return getYesterdayDate(C_TIME_PATTON_DEFAULT);
	}

	/**
	 * 获得昨天时间，格式自定义
	 * 
	 * @param format
	 * @return
	 */
	public static String getYesterdayDate(String format) {
		if (!"".equals(format)) {
			format = C_TIME_PATTON_DEFAULT;
		}
		Calendar day = Calendar.getInstance();
		day.add(Calendar.DATE, -1);
		SimpleDateFormat sdf = new SimpleDateFormat(format);// "yyyy-MM-dd"
		String date = sdf.format(day.getTime());
		return date;
	}

	/**
	 * @param date1 需要比较的时间 不能为空(null),需要正确的日期格式 ,如：2009-09-12
	 * @param date2 被比较的时间 为空(null)则为当前时间
	 * @param stype 返回值类型 0为多少天，1为多少个月，2为多少年
	 * @return 举例： compareDate("2009-09-12", null, 0); //比较天 compareDate("2009-09-12", null, 1);//比较月
	 *         compareDate("2009-09-12", null, 2);//比较年
	 */
	public static int compareDate(String startDay, String endDay, int stype) {
		int n = 0;
		String formatStyle = stype == 1 ? "yyyy-MM" : "yyyy-MM-dd";

		endDay = endDay == null ? getCurrentDate("yyyy-MM-dd") : endDay;

		DateFormat df = new SimpleDateFormat(formatStyle);
		Calendar c1 = Calendar.getInstance();
		Calendar c2 = Calendar.getInstance();
		try {
			c1.setTime(df.parse(startDay));
			c2.setTime(df.parse(endDay));
		} catch (Exception e3) {
			System.out.println("wrong occured");
		}
		// List list = new ArrayList();
		while (!c1.after(c2)) {                   // 循环对比，直到相等，n 就是所要的结果
			// list.add(df.format(c1.getTime())); // 这里可以把间隔的日期存到数组中 打印出来
			n++;
			if (stype == 1) {
				c1.add(Calendar.MONTH, 1);          // 比较月份，月份+1
			} else {
				c1.add(Calendar.DATE, 1);           // 比较天数，日期+1
			}
		}
		n = n - 1;
		if (stype == 2) {
			n = (int) n / 365;
		}
		// System.out.println(startDay+" -- "+endDay+" 相差多少"+u[stype]+":"+n);
		return n;
	}

	/**
	 * 判断时间是否符合时间格式
	 */
	public static boolean isDate(String date, String dateFormat) {
		if (date != null) {
			java.text.SimpleDateFormat format = new java.text.SimpleDateFormat(dateFormat);
			format.setLenient(false);
			try {
				format.format(format.parse(date));
			} catch (ParseException e) {
				return false;
			}
			return true;
		}
		return false;
	}

	/**
	 * 实现给定某日期，判断是星期几 date:必须yyyy-MM-dd格式
	 */
	public static String getWeekday(String date) {
		SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd");
		SimpleDateFormat sdw = new SimpleDateFormat("E");
		Date d = null;
		try {
			d = sd.parse(date);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return sdw.format(d);
	}

	/**
	 * method 将字符串类型的日期转换为一个timestamp（时间戳记java.sql.Timestamp）
	 * 
	 * @param dateString 需要转换为timestamp的字符串
	 * @return dataTime timestamp
	 */
	public final static java.sql.Timestamp string2Time(String dateString) {
		DateFormat dateFormat;
		dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.ENGLISH);// 设定格式
		dateFormat.setLenient(false);
		java.util.Date date = null;
		try {
			date = dateFormat.parse(dateString);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		// java.sql.Timestamp dateTime = new java.sql.Timestamp(date.getTime());
		return new java.sql.Timestamp(date.getTime());// Timestamp类型,timeDate.getTime()返回一个long型
	}

	/**
	 * method 将字符串类型的日期转换为一个Date（java.sql.Date）
	 * 
	 * @param dateString 需要转换为Date的字符串
	 * @return dataTime Date
	 */
	public final static java.sql.Date string2Date(String dateString) {
		DateFormat dateFormat;
		dateFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH);
		dateFormat.setLenient(false);
		java.util.Date date = null;
		try {
			date = dateFormat.parse(dateString);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		// java.sql.Date dateTime = new java.sql.Date(date.getTime());// sql类型
		return new java.sql.Date(date.getTime());
	}

	/**
	 * 计算两个日期之间相差的天数
	 * 
	 * @param date1
	 * @param date2
	 * @return
	 */
	public static int daysBetween(Date date1, Date date2) {
		Calendar cal = Calendar.getInstance();
		cal.setTime(date1);
		long time1 = cal.getTimeInMillis();
		cal.setTime(date2);
		long time2 = cal.getTimeInMillis();
		long between_days = (time2 - time1) / (1000 * 3600 * 24);

		return Integer.parseInt(String.valueOf(between_days));
	}

	/**
	 * 取得当前日期N天后的日期
	 * 
	 * @param date
	 * @param days
	 * @return
	 */
	public static Date addDays(int days) {
		Calendar cal = Calendar.getInstance();

		cal.add(Calendar.DAY_OF_MONTH, days);

		return cal.getTime();
	}

	/**
	 * 取得指定日期N天后的日期
	 * 
	 * @param date
	 * @param days
	 * @return
	 */
	public static Date addXDays(Date date, int days) {
		Calendar cal = Calendar.getInstance();
		cal.setTime(date);

		cal.add(Calendar.DAY_OF_MONTH, days);

		return cal.getTime();
	}

	// 记录考勤， 记录迟到、早退时间
	public static String getState() {
		String state = "正常";
		DateFormat df = new SimpleDateFormat("HH:mm:ss");
		Date d = new Date();
		try {
			Date d1 = df.parse("08:00:00");
			Date d2 = df.parse(df.format(d));
			Date d3 = df.parse("17:30:00");

			int t1 = (int) d1.getTime();
			int t2 = (int) d2.getTime();
			int t3 = (int) d3.getTime();
			if (t2 < t1) {

				long between = (t1 - t2) / 1000;// 除以1000是为了转换成秒
				long hour1 = between % (24 * 3600) / 3600;
				long minute1 = between % 3600 / 60;

				state = "迟到 ：" + hour1 + "时" + minute1 + "分";

			} else if (t2 < t3) {
				long between = (t3 - t2) / 1000;// 除以1000是为了转换成秒
				long hour1 = between % (24 * 3600) / 3600;
				long minute1 = between % 3600 / 60;
				state = "早退 ：" + hour1 + "时" + minute1 + "分";
			}
			return state;
		} catch (Exception e) {
			return state;
		}
	}

	/**
	 * 得到二个日期间的间隔天数
	 */
	public static String getTwoDay(String sj1, String sj2) {
		SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
		long day = 0;
		try {
			java.util.Date date = myFormatter.parse(sj1);
			java.util.Date mydate = myFormatter.parse(sj2);
			day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
		} catch (Exception e) {
			return "";
		}
		return day + "";
	}

	/**
	 * 根据一个日期，返回是星期几的字符串
	 * 
	 * @param sdate
	 * @return
	 */
	public static String getWeek(String sdate) {
		// 再转换为时间
		Date date = strToDate(sdate);
		Calendar c = Calendar.getInstance();
		c.setTime(date);
		// int hour=c.get(Calendar.DAY_OF_WEEK);
		// hour中存的就是星期几了，其范围 1~7
		// 1=星期日 7=星期六，其他类推
		return new SimpleDateFormat("EEEE").format(c.getTime());
	}

	/**
	 * 将短时间格式字符串转换为时间 yyyy-MM-dd
	 * 
	 * @param strDate
	 * @return
	 */
	public static Date strToDate(String strDate) {
		SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
		ParsePosition pos = new ParsePosition(0);
		Date strtodate = formatter.parse(strDate, pos);
		return strtodate;
	}

	/**
	 * 两个时间之间的天数
	 * 
	 * @param date1
	 * @param date2
	 * @return
	 */
	public static long getDays(String date1, String date2) {
		if (date1 == null || date1.equals("")) return 0;
		if (date2 == null || date2.equals("")) return 0;
		// 转换为标准时间
		SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
		java.util.Date date = null;
		java.util.Date mydate = null;
		try {
			date = myFormatter.parse(date1);
			mydate = myFormatter.parse(date2);
		} catch (Exception e) {
		}
		long day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
		return day;
	}

	// 计算当月最后一天,返回字符串
	public static String getDefaultDay() {
		String str = "";
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

		Calendar lastDate = Calendar.getInstance();
		lastDate.set(Calendar.DATE, 1);// 设为当前月的1号
		lastDate.add(Calendar.MONTH, 1);// 加一个月，变为下月的1号
		lastDate.add(Calendar.DATE, -1);// 减去一天，变为当月最后一天

		str = sdf.format(lastDate.getTime());
		return str;
	}

	// 上月第一天
	public static String getPreviousMonthFirst() {
		String str = "";
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

		Calendar lastDate = Calendar.getInstance();
		lastDate.set(Calendar.DATE, 1);// 设为当前月的1号
		lastDate.add(Calendar.MONTH, -1);// 减一个月，变为下月的1号
		// lastDate.add(Calendar.DATE,-1);//减去一天，变为当月最后一天

		str = sdf.format(lastDate.getTime());
		return str;
	}

	// 获取当月第一天
	public static String getFirstDayOfMonth() {
		String str = "";
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

		Calendar lastDate = Calendar.getInstance();
		lastDate.set(Calendar.DATE, 1);// 设为当前月的1号
		str = sdf.format(lastDate.getTime());
		return str;
	}

	// 获得本周星期日的日期
	public static String getCurrentWeekday() {
		weeks = 0;
		int mondayPlus = getMondayPlus();
		GregorianCalendar currentDate = new GregorianCalendar();
		currentDate.add(GregorianCalendar.DATE, mondayPlus + 6);
		Date monday = currentDate.getTime();

		DateFormat df = DateFormat.getDateInstance();
		String preMonday = df.format(monday);
		return preMonday;
	}

	// 获取当天时间
	public static String getNowTime(String dateformat) {
		Date now = new Date();
		SimpleDateFormat dateFormat = new SimpleDateFormat(dateformat);// 可以方便地修改日期格式
		String hehe = dateFormat.format(now);
		return hehe;
	}

	// 获得当前日期与本周日相差的天数
	public static int getMondayPlus() {
		Calendar cd = Calendar.getInstance();
		// 获得今天是一周的第几天，星期日是第一天，星期二是第二天......
		int dayOfWeek = cd.get(Calendar.DAY_OF_WEEK) - 1;         // 因为按中国礼拜一作为第一天所以这里减1
		if (dayOfWeek == 1) {
			return 0;
		} else {
			return 1 - dayOfWeek;
		}
	}

	// 获得本周一的日期
	public static String getMondayOFWeek() {
		weeks = 0;
		int mondayPlus = getMondayPlus();
		GregorianCalendar currentDate = new GregorianCalendar();
		currentDate.add(GregorianCalendar.DATE, mondayPlus);
		Date monday = currentDate.getTime();

		DateFormat df = DateFormat.getDateInstance();
		String preMonday = df.format(monday);
		return preMonday;
	}

	// 获得相应周的周六的日期
	public static String getSaturday() {
		int mondayPlus = getMondayPlus();
		GregorianCalendar currentDate = new GregorianCalendar();
		currentDate.add(GregorianCalendar.DATE, mondayPlus + 7 * weeks + 6);
		Date monday = currentDate.getTime();
		DateFormat df = DateFormat.getDateInstance();
		String preMonday = df.format(monday);
		return preMonday;
	}

	// 获得上周星期日的日期
	public static String getPreviousWeekSunday() {
		weeks = 0;
		weeks--;
		int mondayPlus = getMondayPlus();
		GregorianCalendar currentDate = new GregorianCalendar();
		currentDate.add(GregorianCalendar.DATE, mondayPlus + weeks);
		Date monday = currentDate.getTime();
		DateFormat df = DateFormat.getDateInstance();
		String preMonday = df.format(monday);
		return preMonday;
	}

	// 获得上周星期一的日期
	public static String getPreviousWeekday() {
		weeks--;
		int mondayPlus = getMondayPlus();
		GregorianCalendar currentDate = new GregorianCalendar();
		currentDate.add(GregorianCalendar.DATE, mondayPlus + 7 * weeks);
		Date monday = currentDate.getTime();
		DateFormat df = DateFormat.getDateInstance();
		String preMonday = df.format(monday);
		return preMonday;
	}

	// 获得下周星期一的日期
	public static String getNextMonday() {
		weeks++;
		int mondayPlus = getMondayPlus();
		GregorianCalendar currentDate = new GregorianCalendar();
		currentDate.add(GregorianCalendar.DATE, mondayPlus + 7);
		Date monday = currentDate.getTime();
		DateFormat df = DateFormat.getDateInstance();
		String preMonday = df.format(monday);
		return preMonday;
	}

	// 获得下周星期日的日期
	public static String getNextSunday() {

		int mondayPlus = getMondayPlus();
		GregorianCalendar currentDate = new GregorianCalendar();
		currentDate.add(GregorianCalendar.DATE, mondayPlus + 7 + 6);
		Date monday = currentDate.getTime();
		DateFormat df = DateFormat.getDateInstance();
		String preMonday = df.format(monday);
		return preMonday;
	}

	public static int getMonthPlus() {
		Calendar cd = Calendar.getInstance();
		int monthOfNumber = cd.get(Calendar.DAY_OF_MONTH);
		cd.set(Calendar.DATE, 1);// 把日期设置为当月第一天
		cd.roll(Calendar.DATE, -1);// 日期回滚一天，也就是最后一天
		MaxDate = cd.get(Calendar.DATE);
		if (monthOfNumber == 1) {
			return -MaxDate;
		} else {
			return 1 - monthOfNumber;
		}
	}

	// 获得上月最后一天的日期
	public static String getPreviousMonthEnd() {
		String str = "";
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

		Calendar lastDate = Calendar.getInstance();
		lastDate.add(Calendar.MONTH, -1);// 减一个月
		lastDate.set(Calendar.DATE, 1);// 把日期设置为当月第一天
		lastDate.roll(Calendar.DATE, -1);// 日期回滚一天，也就是本月最后一天
		str = sdf.format(lastDate.getTime());
		return str;
	}

	// 获得下个月第一天的日期
	public static String getNextMonthFirst() {
		String str = "";
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

		Calendar lastDate = Calendar.getInstance();
		lastDate.add(Calendar.MONTH, 1);// 减一个月
		lastDate.set(Calendar.DATE, 1);// 把日期设置为当月第一天
		str = sdf.format(lastDate.getTime());
		return str;
	}

	// 获得下个月最后一天的日期
	public static String getNextMonthEnd() {
		String str = "";
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

		Calendar lastDate = Calendar.getInstance();
		lastDate.add(Calendar.MONTH, 1);// 加一个月
		lastDate.set(Calendar.DATE, 1);// 把日期设置为当月第一天
		lastDate.roll(Calendar.DATE, -1);// 日期回滚一天，也就是本月最后一天
		str = sdf.format(lastDate.getTime());
		return str;
	}

	// 获得明年最后一天的日期
	public static String getNextYearEnd() {
		String str = "";
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

		Calendar lastDate = Calendar.getInstance();
		lastDate.add(Calendar.YEAR, 1);// 加一个年
		lastDate.set(Calendar.DAY_OF_YEAR, 1);
		lastDate.roll(Calendar.DAY_OF_YEAR, -1);
		str = sdf.format(lastDate.getTime());
		return str;
	}

	// 获得明年第一天的日期
	public static String getNextYearFirst() {
		String str = "";
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

		Calendar lastDate = Calendar.getInstance();
		lastDate.add(Calendar.YEAR, 1);// 加一个年
		lastDate.set(Calendar.DAY_OF_YEAR, 1);
		str = sdf.format(lastDate.getTime());
		return str;

	}

	// 获得本年有多少天
	public static int getMaxYear() {
		Calendar cd = Calendar.getInstance();
		cd.set(Calendar.DAY_OF_YEAR, 1);// 把日期设为当年第一天
		cd.roll(Calendar.DAY_OF_YEAR, -1);// 把日期回滚一天。
		int MaxYear = cd.get(Calendar.DAY_OF_YEAR);
		return MaxYear;
	}

	public static int getYearPlus() {
		Calendar cd = Calendar.getInstance();
		int yearOfNumber = cd.get(Calendar.DAY_OF_YEAR);// 获得当天是一年中的第几天
		cd.set(Calendar.DAY_OF_YEAR, 1);// 把日期设为当年第一天
		cd.roll(Calendar.DAY_OF_YEAR, -1);// 把日期回滚一天。
		int MaxYear = cd.get(Calendar.DAY_OF_YEAR);
		if (yearOfNumber == 1) {
			return -MaxYear;
		} else {
			return 1 - yearOfNumber;
		}
	}

	// 获得本年第一天的日期
	public static String getCurrentYearFirst() {
		int yearPlus = getYearPlus();
		GregorianCalendar currentDate = new GregorianCalendar();
		currentDate.add(GregorianCalendar.DATE, yearPlus);
		Date yearDay = currentDate.getTime();
		DateFormat df = DateFormat.getDateInstance();
		String preYearDay = df.format(yearDay);
		return preYearDay;
	}

	// 获得本年最后一天的日期 *
	public static String getCurrentYearEnd() {
		Date date = new Date();
		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy");// 可以方便地修改日期格式
		String years = dateFormat.format(date);
		return years + "-12-31";
	}

	// 获得上年第一天的日期 *
	public static String getPreviousYearFirst() {
		Date date = new Date();
		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy");// 可以方便地修改日期格式
		String years = dateFormat.format(date);
		int years_value = Integer.parseInt(years);
		years_value--;
		return years_value + "-1-1";
	}

	// 获得上年最后一天的日期
	public static String getPreviousYearEnd() {
		weeks--;
		int yearPlus = getYearPlus();
		GregorianCalendar currentDate = new GregorianCalendar();
		currentDate.add(GregorianCalendar.DATE, yearPlus + MaxYear * weeks + (MaxYear - 1));
		Date yearDay = currentDate.getTime();
		DateFormat df = DateFormat.getDateInstance();
		String preYearDay = df.format(yearDay);
		getThisSeasonTime(11);
		return preYearDay;
	}

	// 获得本季度
	public static String getThisSeasonTime(int month) {
		int array[][] = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 }, { 10, 11, 12 } };
		int season = 1;
		if (month >= 1 && month <= 3) {
			season = 1;
		}
		if (month >= 4 && month <= 6) {
			season = 2;
		}
		if (month >= 7 && month <= 9) {
			season = 3;
		}
		if (month >= 10 && month <= 12) {
			season = 4;
		}
		int start_month = array[season - 1][0];
		int end_month = array[season - 1][2];

		Date date = new Date();
		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy");// 可以方便地修改日期格式
		String years = dateFormat.format(date);
		int years_value = Integer.parseInt(years);

		int start_days = 1;// years+"-"+String.valueOf(start_month)+"-1";//getLastDayOfMonth(years_value,start_month);
		int end_days = getLastDayOfMonth(years_value, end_month);
		String seasonDate = years_value + "-" + start_month + "-" + start_days + ";" + years_value + "-" + end_month + "-" + end_days;
		return seasonDate;

	}

	/**
	 * 获取某年某月的最后一天
	 * 
	 * @param year 年
	 * @param month 月
	 * @return 最后一天
	 */
	public static int getLastDayOfMonth(int year, int month) {
		if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12) {
			return 31;
		}
		if (month == 4 || month == 6 || month == 9 || month == 11) {
			return 30;
		}
		if (month == 2) {
			if (isLeapYear(year)) {
				return 29;
			} else {
				return 28;
			}
		}
		return 0;
	}

	/**
	 * 是否闰年
	 * 
	 * @param year 年
	 * @return
	 */
	public static boolean isLeapYear(int year) {
		return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
	}

}