package com.eabax.plugin.yundada.utils;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;import java.util.LinkedHashMap;public class TimeUtil {	/**	 * 解析一个日期之间的所有月份	 * 	 * @param beginDateStr	 * @param endDateStr	 * @return	 */	public static ArrayList
     
       getMonthList(String beginDateStr,			String endDateStr) {		// 指定要解析的时间格式		SimpleDateFormat f = new SimpleDateFormat("yyyy-MM");		// 返回的月份列表		String sRet = "";		// 定义一些变量		Date beginDate = null;		Date endDate = null;		GregorianCalendar beginGC = null;		GregorianCalendar endGC = null;		ArrayList
      
        list = new ArrayList
       
        ();		try {			// 将字符串parse成日期			beginDate = f.parse(beginDateStr);			endDate = f.parse(endDateStr);			// 设置日历			beginGC = new GregorianCalendar();			beginGC.setTime(beginDate);			endGC = new GregorianCalendar();			endGC.setTime(endDate);			// 直到两个时间相同			while (beginGC.getTime().compareTo(endGC.getTime()) <= 0) {				sRet = beginGC.get(Calendar.YEAR) + "-"						+ (beginGC.get(Calendar.MONTH) + 1);				list.add(sRet);				// 以月为单位，增加时间				beginGC.add(Calendar.MONTH, 1);			}			return list;		} catch (Exception e) {			e.printStackTrace();			return null;		}	}	/**	 * 解析一个日期段之间的所有日期	 * 	 * @param beginDateStr	 *            开始日期	 * @param endDateStr	 *            结束日期	 * @return	 */	public static ArrayList
        
          getDayList(String beginDateStr,			String endDateStr) {		// 指定要解析的时间格式		SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");		// 定义一些变量		Date beginDate = null;		Date endDate = null;		Calendar beginGC = null;		Calendar endGC = null;		ArrayList
         
           list = new ArrayList
          
           (); try { // 将字符串parse成日期 beginDate = f.parse(beginDateStr); endDate = f.parse(endDateStr); // 设置日历 beginGC = Calendar.getInstance(); beginGC.setTime(beginDate); endGC = Calendar.getInstance(); endGC.setTime(endDate); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); // 直到两个时间相同 while (beginGC.getTime().compareTo(endGC.getTime()) <= 0) { list.add(sdf.format(beginGC.getTime())); // 以日为单位，增加时间 beginGC.add(Calendar.DAY_OF_MONTH, 1); } return list; } catch (Exception e) { e.printStackTrace(); return null; } } public static ArrayList
           
             getYearList() { ArrayList
            
              list = new ArrayList
             
              (); Calendar c = null; c = Calendar.getInstance(); c.setTime(new Date()); int currYear = Calendar.getInstance().get(Calendar.YEAR); int startYear = currYear - 5; int endYear = currYear + 10; for (int i = startYear; i < endYear; i++) { list.add(new Integer(i)); } return list; } public static int getCurrYear() { return Calendar.getInstance().get(Calendar.YEAR); } /** * 得到某一年周的总数 * * @param year * @return */ public static LinkedHashMap
              
                getWeekList(int year) { LinkedHashMap
               
                 map = new LinkedHashMap
                
                 (); Calendar c = new GregorianCalendar(); c.set(year, Calendar.DECEMBER, 31, 23, 59, 59); int count = getWeekOfYear(c.getTime()); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); String dayOfWeekStart = ""; String dayOfWeekEnd = ""; for (int i = 1; i <= count; i++) { dayOfWeekStart = sdf.format(getFirstDayOfWeek(year, i)); dayOfWeekEnd = sdf.format(getLastDayOfWeek(year, i)); map.put(new Integer(i), "第" + i + "周(从" + dayOfWeekStart + "至" + dayOfWeekEnd + ")"); } return map; } /** * 得到一年的总周数 * * @param year * @return */ public static int getWeekCountInYear(int year) { Calendar c = new GregorianCalendar(); c.set(year, Calendar.DECEMBER, 31, 23, 59, 59); int count = getWeekOfYear(c.getTime()); return count; } /** * 取得当前日期是多少周 * * @param date * @return */ public static int getWeekOfYear(Date date) { Calendar c = new GregorianCalendar(); c.setFirstDayOfWeek(Calendar.MONDAY); c.setMinimalDaysInFirstWeek(7); c.setTime(date); return c.get(Calendar.WEEK_OF_YEAR); } /** * 得到某年某周的第一天 * * @param year * @param week * @return */ public static Date getFirstDayOfWeek(int year, int week) { Calendar c = new GregorianCalendar(); c.set(Calendar.YEAR, year); c.set(Calendar.MONTH, Calendar.JANUARY); c.set(Calendar.DATE, 1); Calendar cal = (GregorianCalendar) c.clone(); cal.add(Calendar.DATE, week * 7); return getFirstDayOfWeek(cal.getTime()); } /** * 得到某年某周的最后一天 * * @param year * @param week * @return */ public static Date getLastDayOfWeek(int year, int week) { Calendar c = new GregorianCalendar(); c.set(Calendar.YEAR, year); c.set(Calendar.MONTH, Calendar.JANUARY); c.set(Calendar.DATE, 1); Calendar cal = (GregorianCalendar) c.clone(); cal.add(Calendar.DATE, week * 7); return getLastDayOfWeek(cal.getTime()); } /** * 得到某年某月的第一天 * * @param year * @param month * @return */ public static Date getFirestDayOfMonth(int year, int month) { month = month - 1; Calendar c = Calendar.getInstance(); c.set(Calendar.YEAR, year); c.set(Calendar.MONTH, month); @SuppressWarnings("static-access") int day = c.getActualMinimum(c.DAY_OF_MONTH); c.set(Calendar.DAY_OF_MONTH, day); return c.getTime(); } /** * 提到某年某月的最后一天 * * @param year * @param month * @return */ public static Date getLastDayOfMonth(int year, int month) { month = month - 1; Calendar c = Calendar.getInstance(); c.set(Calendar.YEAR, year); c.set(Calendar.MONTH, month); @SuppressWarnings("static-access") int day = c.getActualMaximum(c.DAY_OF_MONTH); c.set(Calendar.DAY_OF_MONTH, day); return c.getTime(); } /** * 取得当前日期所在周的第一天 * * @param date * @return */ public static Date getFirstDayOfWeek(Date date) { Calendar c = new GregorianCalendar(); c.setFirstDayOfWeek(Calendar.MONDAY); c.setTime(date); c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek()); // Monday return c.getTime(); } /** * 取得当前日期所在周的最后一天 * * @param date * @return */ public static Date getLastDayOfWeek(Date date) { Calendar c = new GregorianCalendar(); c.setFirstDayOfWeek(Calendar.MONDAY); c.setTime(date); c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek() + 6); // Sunday return c.getTime(); } /** * 得到某年某季度第一天 * * @param year * @param quarter * @return */ public static Date getFirstDayOfQuarter(int year, int quarter) { int month = 0; if (quarter > 4) { return null; } else { month = (quarter - 1) * 3 + 1; } return getFirstDayOfMonth(year, month); } /** * 得到某年某季度最后一天 * * @param year * @param quarter * @return */ public static Date getLastDayOfQuarter(int year, int quarter) { int month = 0; if (quarter > 4) { return null; } else { month = quarter * 3; } return getLastDayOfMonth(year, month); } /** * 得到某年第一天 * * @param year * @return */ public static Date getFirstDayOfYear(int year) { return getFirstDayOfQuarter(year, 1); } /** * 得到某年最后一天 * * @param year * @return */ public static Date getLastDayOfYear(int year) { return getLastDayOfQuarter(year, 4); } /** * 得到某年某月的第一天 * * @param year * @param month * @return */ public static Date getFirstDayOfMonth(int year, int month) { Calendar c = Calendar.getInstance(); c.set(Calendar.YEAR, year); c.set(Calendar.MONTH, month - 1); c.set(Calendar.DAY_OF_MONTH, c.getActualMinimum(Calendar.DAY_OF_MONTH)); return c.getTime(); } /** * 获取某年某月某一周的第一天和最后一天（周一为第一天）（flag=true表示取第一天） * * @param year * @param month * @param week * @param flag * @return */ public static String getDayByWeek(int year, int month, int week, boolean flag) { Calendar cal = Calendar.getInstance(); cal.set(Calendar.YEAR, year); cal.set(Calendar.MONTH, month - 1); cal.set(Calendar.WEEK_OF_MONTH, week); int dw = cal.get(Calendar.DAY_OF_WEEK); if (!flag) cal.setTimeInMillis(cal.getTimeInMillis() + (8 - dw) * 24 * 60 * 60 * 1000); else cal.setTimeInMillis(cal.getTimeInMillis() - (dw - 2) * 24 * 60 * 60 * 1000); SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); String showTime = formatter.format(cal.getTime()); return showTime.toString(); } public static String getStringToDate(Date date) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); return sdf.format(date); } /** * 转化字符串时间格式 * * @param strTime * @return * @throws ParseException */ public static String formatTimeString(String strTime) throws ParseException { SimpleDateFormat getsdf = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss.sss"); SimpleDateFormat resdf = new SimpleDateFormat("yyyy年MM月dd日"); return resdf.format(getsdf.parse(strTime)); } /** * 获取某一个月的周数 * @param date * @throws ParseException * @throws Exception */ public static int getMonthWeek(String date) throws ParseException { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM"); Date s = sdf.parse(date); Calendar ca = Calendar.getInstance(); ca.setTime(s); ca.setFirstDayOfWeek(Calendar.MONDAY); int weeks = ca.getActualMaximum(Calendar.WEEK_OF_MONTH); return weeks; };}