fanli-server.git

			@@ -37,7 +37,7 @@

			public static String dateDiff2(Date startTime, Date endTime) throws Exception {

			String datatime = 0 + "天" + 0 + "小时" + 0 + "分钟";
			String datatime = "0分钟";

			long nm = 1000 * 60;// 一分钟的毫秒数
			long nh = 1000 * 60 * 60;// 一小时的毫秒数
			@@ -45,14 +45,31 @@

			// 获得两个时间的毫秒时间差异
			long diff = endTime.getTime() - startTime.getTime();

			long day = diff / nd;// 计算差多少天
			long hour = diff % nd / nh;// 计算差多少小时
			long min = diff % nd % nh / nm;// 计算差多少分钟

			datatime = day + "天" + hour + "小时" + min + "分钟";

			if (day > 0) {
			datatime = day + "天" + hour + "时" + min + "分";
			} else {
			if (hour > 0 ) {
			datatime = hour + "时" + min + "分";
			} else {
			datatime = min + "分";
			}
			}
			return datatime;
			}

			/**
			* 通过时间秒毫秒数判断两个时间的间隔
			*
			* @param date1
			* @param date2
			* @return
			*/
			public static int differentDaysByMillisecond(Date start, Date end) {
			return (int) ((end.getTime() - start.getTime()) / (1000 * 3600 * 24));
			}

			public String transferLongToDate(String dateFormat, Long millSec) {
			@@ -94,51 +111,156 @@
			return false;
			}
			}


			/**
			* 指定日期加上天数后的日期
			*
			* @param num
			* 增加的天数
			* @param nowDate
			* 创建时间
			* @param num 增加的天数
			* @param nowDate 创建时间
			* @return
			* @throws ParseException
			*/
			public static String plusDay(int num, String nowDate) throws ParseException {
			SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
			Date currdate = format.parse(nowDate);


			Calendar ca = Calendar.getInstance();
			ca.setTime(currdate);
			ca.add(Calendar.DATE, num);


			return format.format(ca.getTime());
			}

			/**
			* 指定日期加上天数后的日期
			*
			* @param num 增加的天数
			* @param nowDate 创建时间
			* @return
			* @throws ParseException
			*/
			public static String plusDay(int num, Date currdate) throws ParseException {
			SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");

			Calendar ca = Calendar.getInstance();
			ca.setTime(currdate);
			ca.add(Calendar.DATE, num);

			return format.format(ca.getTime());
			}

			/**
			* 指定日期加上天数后的日期
			*
			* @param num 增加的天数
			* @param nowDate 创建时间
			* @return
			* @throws ParseException
			*/
			public static Date plusDayDate(int num, Date currdate) {
			Calendar ca = Calendar.getInstance();
			ca.setTime(currdate);
			ca.add(Calendar.DATE, num);
			return ca.getTime();
			}


			/**
			* 指定日期减去天数后的日期
			*
			* @param num
			* 减去的天数
			* @param nowDate
			* 创建时间
			* @param num 减去的天数
			* @param nowDate 创建时间
			* @return
			* @throws ParseException
			*/
			public static String reduceDay(int num, String nowDate) throws ParseException {
			SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
			Date currdate = format.parse(nowDate);


			Calendar ca = Calendar.getInstance();
			ca.setTime(currdate);
			ca.add(Calendar.DATE, -num); // 日期减如果不够减会将月变动


			return format.format(ca.getTime());
			}

			/**
			* 指定日期减去天数后的日期
			*
			* @param num 减去的天数
			* @param nowDate 创建时间
			* @return
			* @throws ParseException
			*/
			public static Date reduceDay(int num, Date date) throws ParseException {
			// 设置要获取到什么样的时间
			SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
			// 获取String类型的时间
			String date_str = format.format(date);
			Date currdate = format.parse(date_str);

			Calendar ca = Calendar.getInstance();
			ca.setTime(currdate);
			ca.add(Calendar.DATE, -num); // 日期减如果不够减会将月变动

			return ca.getTime();
			}

			/**
			* 计算两个日期之间相差的天数
			*
			* @param smdate 较小的时间
			* @param bdate 较大的时间
			* @return 相差天数
			* @throws ParseException calendar 对日期进行时间操作 getTimeInMillis() 获取日期的毫秒显示形式
			*/
			public static int daysBetween(Date minDate, Date maxDate) throws ParseException {
			Calendar cal = Calendar.getInstance();
			cal.setTime(minDate);
			long minTime = cal.getTimeInMillis();
			cal.setTime(maxDate);
			long maxTime = cal.getTimeInMillis();
			long between_days = (maxTime - minTime) / (1000 * 3600 * 24);
			return Integer.parseInt(String.valueOf(between_days));
			}


			/**
			* 字符串日期格式的计算
			*
			* @param smdate
			* @param bdate
			* @return 单位天数
			* @throws ParseException
			*/
			public static int daysBetween2(Date minDate, Date maxDate) throws ParseException {
			SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
			return daysBetween(sdf.format(minDate), sdf.format(maxDate));
			}


			/**
			* 字符串日期格式的计算
			*
			* @param smdate
			* @param bdate
			* @return
			* @throws ParseException
			*/
			public static int daysBetween(String minDate, String maxDate) throws ParseException {
			SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
			Calendar cal = Calendar.getInstance();
			cal.setTime(sdf.parse(minDate));
			long minTime = cal.getTimeInMillis();
			cal.setTime(sdf.parse(maxDate));
			long maxTime = cal.getTimeInMillis();
			long between_days = (maxTime - minTime) / (1000 * 3600 * 24);
			return Integer.parseInt(String.valueOf(between_days));
			}

			/**
			* 返回中间日期
			*
			* @param startTime
			* @param endTime
			* @return
			@@ -164,6 +286,32 @@
			}
			return listDate;
			}

			/**
			* 随机减去几分钟
			* @param date
			* @param min 随机添加的分钟数
			* @return
			*/
			public static Date reduceRandomMinute(Date date , int min) {
			long rand = (long) (Math.random() * 1000 * 60 * min);
			long time = date.getTime() - rand;
			return new Date(time);
			}


			/**
			* @param args
			* @throws ParseException format() 对日期进行格式化处理 parse() 将日期设置为date类型
			*/
			public static void main(String[] args) throws ParseException {
			// TODO Auto-generated method stub
			SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
			Date d1 = sdf.parse("2016-09-08 00:00:00");
			Date d2 = sdf.parse("2016-09-08 00:00:00");

			System.out.println(daysBetween(d1, d2));
			System.out.println(daysBetween("2016-09-08 10:10:10", "2016-09-29 00:00:00"));
			}

			}