java日期变换大全

java日期转换大全

转载来源于http://mxm910821.iteye.com/blog/1171571?作者：mxm910821

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/** ?日期类 ?*?@date?? ?*?@version?1.0 ?*/??import?java.util.*; ?? import?java.text.*; ?? import?java.util.Calendar; ?? ? ??public?class?VeDate?{ ?? ?/** ???*?获取现在时间 ???* ???*?@return?返回时间类型?yyyy-MM-dd?HH:mm:ss ???*/???public?static?Date?getNowDate()?{ ?? ??Date?currentTime?=?new?Date(); ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd?HH:mm:ss"); ?? ??String?dateString?=?formatter.format(currentTime); ????ParsePosition?pos?=?new?ParsePosition(8); ?? ??Date?currentTime_2?=?formatter.parse(dateString,?pos); ????return?currentTime_2; ?? ?} ??? ???/** ???*?获取现在时间 ???* ???*?@return返回短时间格式?yyyy-MM-dd ???*/???public?static?Date?getNowDateShort()?{ ?? ??Date?currentTime?=?new?Date(); ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd"); ?? ??String?dateString?=?formatter.format(currentTime); ????ParsePosition?pos?=?new?ParsePosition(8); ?? ??Date?currentTime_2?=?formatter.parse(dateString,?pos); ????return?currentTime_2; ?? ?} ??? ???/** ???*?获取现在时间 ???* ???*?@return返回字符串格式?yyyy-MM-dd?HH:mm:ss ???*/???public?static?String?getStringDate()?{ ?? ??Date?currentTime?=?new?Date(); ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd?HH:mm:ss"); ?? ??String?dateString?=?formatter.format(currentTime); ????return?dateString; ?? ?} ??? ???/** ???*?获取现在时间 ???* ???*?@return?返回短时间字符串格式yyyy-MM-dd ???*/???public?static?String?getStringDateShort()?{ ?? ??Date?currentTime?=?new?Date(); ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd"); ?? ??String?dateString?=?formatter.format(currentTime); ????return?dateString; ?? ?} ??? ???/** ???*?获取时间?小时:分;秒?HH:mm:ss ???* ???*?@return ???*/???public?static?String?getTimeShort()?{ ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("HH:mm:ss"); ?? ??Date?currentTime?=?new?Date(); ?? ??String?dateString?=?formatter.format(currentTime); ????return?dateString; ?? ?} ??? ???/** ???*?将长时间格式字符串转换为时间?yyyy-MM-dd?HH:mm:ss ???* ???*?@param?strDate ???*?@return ???*/???public?static?Date?strToDateLong(String?strDate)?{ ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd?HH:mm:ss"); ?? ??ParsePosition?pos?=?new?ParsePosition(0); ?? ??Date?strtodate?=?formatter.parse(strDate,?pos); ????return?strtodate; ?? ?} ??? ???/** ???*?将长时间格式时间转换为字符串?yyyy-MM-dd?HH:mm:ss ???* ???*?@param?dateDate ???*?@return ???*/???public?static?String?dateToStrLong(java.util.Date?dateDate)?{ ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd?HH:mm:ss"); ?? ??String?dateString?=?formatter.format(dateDate); ????return?dateString; ?? ?} ??? ???/** ???*?将短时间格式时间转换为字符串?yyyy-MM-dd ???* ???*?@param?dateDate ???*?@param?k ???*?@return ???*/???public?static?String?dateToStr(java.util.Date?dateDate)?{ ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd"); ?? ??String?dateString?=?formatter.format(dateDate); ????return?dateString; ?? ?} ??? ???/** ???*?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; ?? ?} ??? ???/** ???*?得到现在时间 ???* ???*?@return ???*/???public?static?Date?getNow()?{ ?? ??Date?currentTime?=?new?Date(); ?? ??return?currentTime; ?? ?} ??? ???/** ???*?提取一个月中的最后一天 ???* ???*?@param?day ???*?@return ???*/???public?static?Date?getLastDate(long?day)?{ ?? ??Date?date?=?new?Date(); ?? ??long?date_3_hm?=?date.getTime()?-?3600000?*?34?*?day; ?? ??Date?date_3_hm_date?=?new?Date(date_3_hm); ?? ??return?date_3_hm_date; ?? ?} ??? ???/** ???*?得到现在时间 ???* ???*?@return?字符串?yyyyMMdd?HHmmss ???*/???public?static?String?getStringToday()?{ ?? ??Date?currentTime?=?new?Date(); ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyyMMdd?HHmmss"); ?? ??String?dateString?=?formatter.format(currentTime); ????return?dateString; ?? ?} ??? ???/** ???*?得到现在小时 ???*/???public?static?String?getHour()?{ ?? ??Date?currentTime?=?new?Date(); ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd?HH:mm:ss"); ?? ??String?dateString?=?formatter.format(currentTime); ????String?hour; ????hour?=?dateString.substring(11,?13); ?? ??return?hour; ?? ?} ??? ???/** ???*?得到现在分钟 ???* ???*?@return ???*/???public?static?String?getTime()?{ ?? ??Date?currentTime?=?new?Date(); ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd?HH:mm:ss"); ?? ??String?dateString?=?formatter.format(currentTime); ????String?min; ????min?=?dateString.substring(14,?16); ?? ??return?min; ?? ?} ??? ???/** ???*?根据用户传入的时间表示格式，返回当前时间的格式?如果是yyyyMMdd，注意字母y不能大写。 ???* ???*?@param?sformat ???*????????????yyyyMMddhhmmss ???*?@return ???*/???public?static?String?getUserDate(String?sformat)?{ ?? ??Date?currentTime?=?new?Date(); ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat(sformat); ?? ??String?dateString?=?formatter.format(currentTime); ????return?dateString; ?? ?} ??? ???/** ???*?二个小时时间间的差值,必须保证二个时间都是"HH:MM"的格式，返回字符型的分钟 ???*/???public?static?String?getTwoHour(String?st1,?String?st2)?{ ?? ??String[]?kk?=?null; ?? ??String[]?jj?=?null; ?? ??kk?=?st1.split(":"); ?? ??jj?=?st2.split(":"); ?? ??if?(Integer.parseInt(kk[0])?<?Integer.parseInt(jj[0])) ?? ???return?"0"; ?? ??else?{ ?? ???double?y?=?Double.parseDouble(kk[0])?+?Double.parseDouble(kk[1])?/?60; ?? ???double?u?=?Double.parseDouble(jj[0])?+?Double.parseDouble(jj[1])?/?60; ?? ???if?((y?-?u)?>?0) ?? ????return?y?-?u?+?""; ?? ???else?? ????return?"0"; ?? ??} ???} ??? ???/** ???*?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?+?""; ?? ?} ??? ???/** ???*?时间前推或后推分钟,其中JJ表示分钟. ???*/???public?static?String?getPreTime(String?sj1,?String?jj)?{ ?? ??SimpleDateFormat?format?=?new?SimpleDateFormat("yyyy-MM-dd?HH:mm:ss"); ?? ??String?mydate1?=?""; ?? ??try?{ ?? ???Date?date1?=?format.parse(sj1); ?????long?Time?=?(date1.getTime()?/?1000)?+?Integer.parseInt(jj)?*?60; ?? ???date1.setTime(Time?*?1000); ?? ???mydate1?=?format.format(date1); ????}?catch?(Exception?e)?{ ?? ??} ????return?mydate1; ?? ?} ??? ???/** ???*?得到一个时间延后或前移几天的时间,nowdate为时间,delay为前移或后延的天数 ???*/???public?static?String?getNextDay(String?nowdate,?String?delay)?{ ?? ??try{ ?? ??SimpleDateFormat?format?=?new?SimpleDateFormat("yyyy-MM-dd"); ?? ??String?mdate?=?""; ?? ??Date?d?=?strToDate(nowdate); ????long?myTime?=?(d.getTime()?/?1000)?+?Integer.parseInt(delay)?*?24?*?60?*?60; ?? ??d.setTime(myTime?*?1000); ?? ??mdate?=?format.format(d); ????return?mdate; ?? ??}catch(Exception?e){ ?? ???return?""; ?? ??} ???} ??? ???/** ???*?判断是否润年 ???* ???*?@param?ddate ???*?@return ???*/???public?static?boolean?isLeapYear(String?ddate)?{ ?? ? ????/** ????*?详细设计：?1.被400整除是闰年，否则：?2.不能被4整除则不是闰年?3.能被4整除同时不能被100整除则是闰年 ????*?3.能被4整除同时能被100整除则不是闰年 ????*/????Date?d?=?strToDate(ddate); ????GregorianCalendar?gc?=?(GregorianCalendar)?Calendar.getInstance(); ????gc.setTime(d); ????int?year?=?gc.get(Calendar.YEAR); ?? ??if?((year?%?400)?==?0) ?? ???return?true; ?? ??else?if?((year?%?4)?==?0)?{ ?? ???if?((year?%?100)?==?0) ?? ????return?false; ?? ???else?? ????return?true; ?? ??}?else?? ???return?false; ?? ?} ??? ???/** ???*?返回美国时间格式?26?Apr?2006 ???* ???*?@param?str ???*?@return ???*/???public?static?String?getEDate(String?str)?{ ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd"); ?? ??ParsePosition?pos?=?new?ParsePosition(0); ?? ??Date?strtodate?=?formatter.parse(str,?pos); ????String?j?=?strtodate.toString(); ????String[]?k?=?j.split("?"); ?? ??return?k[2]?+?k[1].toUpperCase()?+?k[5].substring(2,?4); ?? ?} ??? ???/** ???*?获取一个月的最后一天 ???* ???*?@param?dat ???*?@return ???*/???public?static?String?getEndDateOfMonth(String?dat)?{//?yyyy-MM-dd ?? ??String?str?=?dat.substring(0,?8); ?? ??String?month?=?dat.substring(5,?7); ?? ??int?mon?=?Integer.parseInt(month); ?? ??if?(mon?==?1?||?mon?==?3?||?mon?==?5?||?mon?==?7?||?mon?==?8?||?mon?==?10?||?mon?==?12)?{ ?? ???str?+=?"31"; ?? ??}?else?if?(mon?==?4?||?mon?==?6?||?mon?==?9?||?mon?==?11)?{ ?? ???str?+=?"30"; ?? ??}?else?{ ?? ???if?(isLeapYear(dat))?{ ?? ????str?+=?"29"; ?? ???}?else?{ ?? ????str?+=?"28"; ?? ???} ????} ????return?str; ?? ?} ??? ???/** ???*?判断二个时间是否在同一个周 ???* ???*?@param?date1 ???*?@param?date2 ???*?@return ???*/???public?static?boolean?isSameWeekDates(Date?date1,?Date?date2)?{ ?? ??Calendar?cal1?=?Calendar.getInstance(); ????Calendar?cal2?=?Calendar.getInstance(); ????cal1.setTime(date1); ????cal2.setTime(date2); ????int?subYear?=?cal1.get(Calendar.YEAR)?-?cal2.get(Calendar.YEAR); ?? ??if?(0?==?subYear)?{ ?? ???if?(cal1.get(Calendar.WEEK_OF_YEAR)?==?cal2.get(Calendar.WEEK_OF_YEAR)) ?? ????return?true; ?? ??}?else?if?(1?==?subYear?&&?11?==?cal2.get(Calendar.MONTH))?{ ?? ???//?如果12月的最后一周横跨来年第一周的话则最后一周即算做来年的第一周 ?? ???if?(cal1.get(Calendar.WEEK_OF_YEAR)?==?cal2.get(Calendar.WEEK_OF_YEAR)) ?? ????return?true; ?? ??}?else?if?(-1?==?subYear?&&?11?==?cal1.get(Calendar.MONTH))?{ ?? ???if?(cal1.get(Calendar.WEEK_OF_YEAR)?==?cal2.get(Calendar.WEEK_OF_YEAR)) ?? ????return?true; ?? ??} ????return?false; ?? ?} ??? ???/** ???*?产生周序列,即得到当前时间所在的年度是第几周 ???* ???*?@return ???*/???public?static?String?getSeqWeek()?{ ?? ??Calendar?c?=?Calendar.getInstance(Locale.CHINA); ????String?week?=?Integer.toString(c.get(Calendar.WEEK_OF_YEAR)); ????if?(week.length()?==?1) ?? ???week?=?"0"?+?week; ?? ??String?year?=?Integer.toString(c.get(Calendar.YEAR)); ????return?year?+?week; ?? ?} ??? ???/** ???*?获得一个日期所在的周的星期几的日期，如要找出2002年2月3日所在周的星期一是几号 ???* ???*?@param?sdate ???*?@param?num ???*?@return ???*/???public?static?String?getWeek(String?sdate,?String?num)?{ ?? ??//?再转换为时间 ?? ??Date?dd?=?VeDate.strToDate(sdate); ????Calendar?c?=?Calendar.getInstance(); ????c.setTime(dd); ????if?(num.equals("1"))?//?返回星期一所在的日期 ?? ???c.set(Calendar.DAY_OF_WEEK,?Calendar.MONDAY); ????else?if?(num.equals("2"))?//?返回星期二所在的日期 ?? ???c.set(Calendar.DAY_OF_WEEK,?Calendar.TUESDAY); ????else?if?(num.equals("3"))?//?返回星期三所在的日期 ?? ???c.set(Calendar.DAY_OF_WEEK,?Calendar.WEDNESDAY); ????else?if?(num.equals("4"))?//?返回星期四所在的日期 ?? ???c.set(Calendar.DAY_OF_WEEK,?Calendar.THURSDAY); ????else?if?(num.equals("5"))?//?返回星期五所在的日期 ?? ???c.set(Calendar.DAY_OF_WEEK,?Calendar.FRIDAY); ????else?if?(num.equals("6"))?//?返回星期六所在的日期 ?? ???c.set(Calendar.DAY_OF_WEEK,?Calendar.SATURDAY); ????else?if?(num.equals("0"))?//?返回星期日所在的日期 ?? ???c.set(Calendar.DAY_OF_WEEK,?Calendar.SUNDAY); ????return?new?SimpleDateFormat("yyyy-MM-dd").format(c.getTime()); ?? ?} ??? ???/** ???*?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?=?VeDate.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()); ?? ?} ???public?static?String?getWeekStr(String?sdate){ ?? ??String?str?=?""; ?? ??str?=?VeDate.getWeek(sdate); ????if("1".equals(str)){ ?? ???str?=?"星期日"; ?? ??}else?if("2".equals(str)){ ?? ???str?=?"星期一"; ?? ??}else?if("3".equals(str)){ ?? ???str?=?"星期二"; ?? ??}else?if("4".equals(str)){ ?? ???str?=?"星期三"; ?? ??}else?if("5".equals(str)){ ?? ???str?=?"星期四"; ?? ??}else?if("6".equals(str)){ ?? ???str?=?"星期五"; ?? ??}else?if("7".equals(str)){ ?? ???str?=?"星期六"; ?? ??} ????return?str; ?? ?} ??? ???/** ???*?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; ?? ?} ??? ???/** ???*?形成如下的日历?，?根据传入的一个时间返回一个结构?星期日?星期一?星期二?星期三?星期四?星期五?星期六?下面是当月的各个时间 ???*?此函数返回该日历第一行星期日所在的日期 ???* ???*?@param?sdate ???*?@return ???*/???public?static?String?getNowMonth(String?sdate)?{ ?? ??//?取该时间所在月的一号 ?? ??sdate?=?sdate.substring(0,?8)?+?"01"; ?? ? ????//?得到这个月的1号是星期几 ?? ??Date?date?=?VeDate.strToDate(sdate); ????Calendar?c?=?Calendar.getInstance(); ????c.setTime(date); ????int?u?=?c.get(Calendar.DAY_OF_WEEK); ?? ??String?newday?=?VeDate.getNextDay(sdate,?(1?-?u)?+?""); ?? ??return?newday; ?? ?} ??? ???/** ???*?取得数据库主键?生成格式为yyyymmddhhmmss+k位随机数 ???* ???*?@param?k ???*????????????表示是取几位随机数，可以自己定 ???*/??? ???public?static?String?getNo(int?k)?{ ?? ? ????return?getUserDate("yyyyMMddhhmmss")?+?getRandom(k); ?? ?} ??? ???/** ???*?返回一个随机数 ???* ???*?@param?i ???*?@return ???*/???public?static?String?getRandom(int?i)?{ ?? ??Random?jjj?=?new?Random(); ?? ??//?int?suiJiShu?=?jjj.nextInt(9); ?? ??if?(i?==?0) ?? ???return?""; ?? ??String?jj?=?""; ?? ??for?(int?k?=?0;?k?<?i;?k++)?{ ?? ???jj?=?jj?+?jjj.nextInt(9); ?? ??} ????return?jj; ?? ?} ??? ???/** ???* ???*?@param?args ???*/???public?static?boolean?RightDate(String?date)?{ ?? ? ????SimpleDateFormat?sdf?=?new?SimpleDateFormat("yyyy-MM-dd?hh:mm:ss"); ?? ??; ????if?(date?==?null) ?? ???return?false; ?? ??if?(date.length()?>?10)?{ ?? ???sdf?=?new?SimpleDateFormat("yyyy-MM-dd?hh:mm:ss"); ?? ??}?else?{ ?? ???sdf?=?new?SimpleDateFormat("yyyy-MM-dd"); ?? ??} ????try?{ ?? ???sdf.parse(date); ????}?catch?(ParseException?pe)?{ ?? ???return?false; ?? ??} ????return?true; ?? ?} ??? ???/*************************************************************************** ???*?//nd=1表示返回的值中包含年度?//yf=1表示返回的值中包含月份?//rq=1表示返回的值中包含日期?//format表示返回的格式?1 ???*?以年月日中文返回?2?以横线-返回?//?3?以斜线/返回?4?以缩写不带其它符号形式返回?//?5?以点号.返回 ???**************************************************************************/???public?static?String?getStringDateMonth(String?sdate,?String?nd,?String?yf,?String?rq,?String?format)?{ ?? ??Date?currentTime?=?new?Date(); ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd"); ?? ??String?dateString?=?formatter.format(currentTime); ????String?s_nd?=?dateString.substring(0,?4);?//?年份 ?? ??String?s_yf?=?dateString.substring(5,?7);?//?月份 ?? ??String?s_rq?=?dateString.substring(8,?10);?//?日期 ?? ??String?sreturn?=?""; ?? ??roc.util.MyChar?mc?=?new?roc.util.MyChar(); ?? ??if?(sdate?==?null?||?sdate.equals("")?||?!mc.Isdate(sdate))?{?//?处理空值情况 ?? ???if?(nd.equals("1"))?{ ?? ????sreturn?=?s_nd; ??????//?处理间隔符 ?? ????if?(format.equals("1")) ?? ?????sreturn?=?sreturn?+?"年"; ?? ????else?if?(format.equals("2")) ?? ?????sreturn?=?sreturn?+?"-"; ?? ????else?if?(format.equals("3")) ?? ?????sreturn?=?sreturn?+?"/"; ?? ????else?if?(format.equals("5")) ?? ?????sreturn?=?sreturn?+?"."; ?? ???} ?????//?处理月份 ?? ???if?(yf.equals("1"))?{ ?? ????sreturn?=?sreturn?+?s_yf; ??????if?(format.equals("1")) ?? ?????sreturn?=?sreturn?+?"月"; ?? ????else?if?(format.equals("2")) ?? ?????sreturn?=?sreturn?+?"-"; ?? ????else?if?(format.equals("3")) ?? ?????sreturn?=?sreturn?+?"/"; ?? ????else?if?(format.equals("5")) ?? ?????sreturn?=?sreturn?+?"."; ?? ???} ?????//?处理日期 ?? ???if?(rq.equals("1"))?{ ?? ????sreturn?=?sreturn?+?s_rq; ??????if?(format.equals("1")) ?? ?????sreturn?=?sreturn?+?"日"; ?? ???} ????}?else?{ ?? ???//?不是空值，也是一个合法的日期值，则先将其转换为标准的时间格式 ?? ???sdate?=?roc.util.RocDate.getOKDate(sdate); ?????s_nd?=?sdate.substring(0,?4);?//?年份 ?? ???s_yf?=?sdate.substring(5,?7);?//?月份 ?? ???s_rq?=?sdate.substring(8,?10);?//?日期 ?? ???if?(nd.equals("1"))?{ ?? ????sreturn?=?s_nd; ??????//?处理间隔符 ?? ????if?(format.equals("1")) ?? ?????sreturn?=?sreturn?+?"年"; ?? ????else?if?(format.equals("2")) ?? ?????sreturn?=?sreturn?+?"-"; ?? ????else?if?(format.equals("3")) ?? ?????sreturn?=?sreturn?+?"/"; ?? ????else?if?(format.equals("5")) ?? ?????sreturn?=?sreturn?+?"."; ?? ???} ?????//?处理月份 ?? ???if?(yf.equals("1"))?{ ?? ????sreturn?=?sreturn?+?s_yf; ??????if?(format.equals("1")) ?? ?????sreturn?=?sreturn?+?"月"; ?? ????else?if?(format.equals("2")) ?? ?????sreturn?=?sreturn?+?"-"; ?? ????else?if?(format.equals("3")) ?? ?????sreturn?=?sreturn?+?"/"; ?? ????else?if?(format.equals("5")) ?? ?????sreturn?=?sreturn?+?"."; ?? ???} ?????//?处理日期 ?? ???if?(rq.equals("1"))?{ ?? ????sreturn?=?sreturn?+?s_rq; ??????if?(format.equals("1")) ?? ?????sreturn?=?sreturn?+?"日"; ?? ???} ????} ????return?sreturn; ?? ?} ??? ???public?static?String?getNextMonthDay(String?sdate,?int?m)?{ ?? ??sdate?=?getOKDate(sdate); ????int?year?=?Integer.parseInt(sdate.substring(0,?4)); ?? ??int?month?=?Integer.parseInt(sdate.substring(5,?7)); ?? ??month?=?month?+?m; ????if?(month?<?0)?{ ?? ???month?=?month?+?12; ?? ???year?=?year?-?1; ?? ??}?else?if?(month?>?12)?{ ?? ???month?=?month?-?12; ?? ???year?=?year?+?1; ?? ??} ????String?smonth?=?""; ?? ??if?(month?<?10) ?? ???smonth?=?"0"?+?month; ?? ??else?? ???smonth?=?""?+?month; ?? ??return?year?+?"-"?+?smonth?+?"-10"; ?? ?} ??? ???public?static?String?getOKDate(String?sdate)?{ ?? ??if?(sdate?==?null?||?sdate.equals("")) ?? ???return?getStringDateShort(); ?? ? ????if?(!VeStr.Isdate(sdate))?{ ?? ???sdate?=?getStringDateShort(); ????} ????//?将“/”转换为“-” ?? ??sdate?=?VeStr.Replace(sdate,?"/",?"-"); ?? ??//?如果只有8位长度，则要进行转换 ?? ??if?(sdate.length()?==?8) ?? ???sdate?=?sdate.substring(0,?4)?+?"-"?+?sdate.substring(4,?6)?+?"-"?+?sdate.substring(6,?8); ?? ??SimpleDateFormat?formatter?=?new?SimpleDateFormat("yyyy-MM-dd"); ?? ??ParsePosition?pos?=?new?ParsePosition(0); ?? ??Date?strtodate?=?formatter.parse(sdate,?pos); ????String?dateString?=?formatter.format(strtodate); ????return?dateString; ?? ?} ??? ???public?static?void?main(String[]?args)?throws?Exception?{ ?? ??try?{ ?? ???//System.out.print(Integer.valueOf(getTwoDay("2006-11-03?12:22:10",?"2006-11-02?11:22:09"))); ?? ??}?catch?(Exception?e)?{ ?? ???throw?new?Exception(); ?? ??} ????//System.out.println("sss"); ?? ?} ??}??