转自：https://blog.csdn.net/u010486495/article/details/79260448
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1 Java时间格式转换大全 2 3 import java.text.*; 4 import java.util.Calendar; 5 public class VeDate { 6 /** 7 * 获取现在时间 8 * 9 * @return 返回时间类型 yyyy-MM-dd HH:mm:ss 10 */ 11 public static Date getNowDate() { 12 Date currentTime = new Date(); 13 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 14 String dateString = formatter.format(currentTime); 15 ParsePosition pos = new ParsePosition(8); 16 Date currentTime_2 = formatter.parse(dateString, pos); 17 return currentTime_2; 18 } 19 /** 20 * 获取现在时间 21 * 22 * @return返回短时间格式 yyyy-MM-dd 23 */ 24 DateFormat format1 = new SimpleDateFormat("yyyy-MM-dd"); 25 DateFormat format 2= new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒"); 26 Date date = null; 27 String str = null; 28 29 // String转Date 30 str = "2007-1-18"; 31 try { 32 date = format1.parse(str); 33 data = format2.parse(str); 34 } catch (ParseException e) { 35 e.printStackTrace(); 36 } 37 /** 38 * 获取现在时间 39 * 40 * @return返回字符串格式 yyyy-MM-dd HH:mm:ss 41 */ 42 public static String getStringDate() { 43 Date currentTime = new Date(); 44 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 45 String dateString = formatter.format(currentTime); 46 return dateString; 47 } 48 /** 49 * 获取现在时间 50 * 51 * @return 返回短时间字符串格式yyyy-MM-dd 52 */ 53 public static String getStringDateShort() { 54 Date currentTime = new Date(); 55 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); 56 String dateString = formatter.format(currentTime); 57 return dateString; 58 } 59 /** 60 * 获取时间 小时:分;秒 HH:mm:ss 61 * 62 * @return 63 */ 64 public static String getTimeShort() { 65 SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss"); 66 Date currentTime = new Date(); 67 String dateString = formatter.format(currentTime); 68 return dateString; 69 } 70 /** 71 * 将长时间格式字符串转换为时间 yyyy-MM-dd HH:mm:ss 72 * 73 * @param strDate 74 * @return 75 */ 76 public static Date strToDateLong(String strDate) { 77 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 78 ParsePosition pos = new ParsePosition(0); 79 Date strtodate = formatter.parse(strDate, pos); 80 return strtodate; 81 } 82 /** 83 * 将长时间格式时间转换为字符串 yyyy-MM-dd HH:mm:ss 84 * 85 * @param dateDate 86 * @return 87 */ 88 public static String dateToStrLong(java.util.Date dateDate) { 89 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 90 String dateString = formatter.format(dateDate); 91 return dateString; 92 } 93 /** 94 * 将短时间格式时间转换为字符串 yyyy-MM-dd 95 * 96 * @param dateDate 97 * @param k 98 * @return 99 */100 public static String dateToStr(java.util.Date dateDate) {101 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");102 String dateString = formatter.format(dateDate);103 return dateString;104 }105 /**106 * 将短时间格式字符串转换为时间 yyyy-MM-dd 107 * 108 * @param strDate109 * @return110 */111 public static Date strToDate(String strDate) {112 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");113 ParsePosition pos = new ParsePosition(0);114 Date strtodate = formatter.parse(strDate, pos);115 return strtodate;116 }117 /**118 * 得到现在时间119 * 120 * @return121 */122 public static Date getNow() {123 Date currentTime = new Date();124 return currentTime;125 }126 /**127 * 提取一个月中的最后一天128 * 129 * @param day130 * @return131 */132 public static Date getLastDate(long day) {133 Date date = new Date();134 long date_3_hm = date.getTime() - 3600000 * 34 * day;135 Date date_3_hm_date = new Date(date_3_hm);136 return date_3_hm_date;137 }138 /**139 * 得到现在时间140 * 141 * @return 字符串 yyyyMMdd HHmmss142 */143 public static String getStringToday() {144 Date currentTime = new Date();145 SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd HHmmss");146 String dateString = formatter.format(currentTime);147 return dateString;148 }149 /**150 * 得到现在小时151 */152 public static String getHour() {153 Date currentTime = new Date();154 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");155 String dateString = formatter.format(currentTime);156 String hour;157 hour = dateString.substring(11, 13);158 return hour;159 }160 /**161 * 得到现在分钟162 * 163 * @return164 */165 public static String getTime() {166 Date currentTime = new Date();167 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");168 String dateString = formatter.format(currentTime);169 String min;170 min = dateString.substring(14, 16);171 return min;172 }173 /**174 * 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。175 * 176 * @param sformat177 * yyyyMMddhhmmss178 * @return179 */180 public static String getUserDate(String sformat) {181 Date currentTime = new Date();182 SimpleDateFormat formatter = new SimpleDateFormat(sformat);183 String dateString = formatter.format(currentTime);184 return dateString;185 }186 --------------------------------------------------------------------------------------------------------------------------------187 188 做成方法189 190 import java.util.*;191 import java.text.*;192 import java.util.Calendar;193 194 public class VeDate {195 /**196 * 获取现在时间197 * 198 * @return 返回时间类型 yyyy-MM-dd HH:mm:ss199 */200 public static Date getNowDate() {201 Date currentTime = new Date();202 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");203 String dateString = formatter.format(currentTime);204 ParsePosition pos = new ParsePosition(8);205 Date currentTime_2 = formatter.parse(dateString, pos);206 return currentTime_2;207 }208 209 /**210 * 获取现在时间211 * 212 * @return返回短时间格式 yyyy-MM-dd213 */214 public static Date getNowDateShort() {215 Date currentTime = new Date();216 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");217 String dateString = formatter.format(currentTime);218 ParsePosition pos = new ParsePosition(8);219 Date currentTime_2 = formatter.parse(dateString, pos);220 return currentTime_2;221 }222 223 /**224 * 获取现在时间225 * 226 * @return返回字符串格式 yyyy-MM-dd HH:mm:ss227 */228 public static String getStringDate() {229 Date currentTime = new Date();230 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");231 String dateString = formatter.format(currentTime);232 return dateString;233 }234 235 /**236 * 获取现在时间237 * 238 * @return 返回短时间字符串格式yyyy-MM-dd239 */240 public static String getStringDateShort() {241 Date currentTime = new Date();242 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");243 String dateString = formatter.format(currentTime);244 return dateString;245 }246 247 /**248 * 获取时间 小时:分;秒 HH:mm:ss249 * 250 * @return251 */252 public static String getTimeShort() {253 SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");254 Date currentTime = new Date();255 String dateString = formatter.format(currentTime);256 return dateString;257 }258 259 /**260 * 将长时间格式字符串转换为时间 yyyy-MM-dd HH:mm:ss261 * 262 * @param strDate263 * @return264 */265 public static Date strToDateLong(String strDate) {266 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");267 ParsePosition pos = new ParsePosition(0);268 Date strtodate = formatter.parse(strDate, pos);269 return strtodate;270 }271 272 /**273 * 将长时间格式时间转换为字符串 yyyy-MM-dd HH:mm:ss274 * 275 * @param dateDate276 * @return277 */278 public static String dateToStrLong(java.util.Date dateDate) {279 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");280 String dateString = formatter.format(dateDate);281 return dateString;282 }283 284 /**285 * 将短时间格式时间转换为字符串 yyyy-MM-dd286 * 287 * @param dateDate288 * @param k289 * @return290 */291 public static String dateToStr(java.util.Date dateDate) {292 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");293 String dateString = formatter.format(dateDate);294 return dateString;295 }296 297 /**298 * 将短时间格式字符串转换为时间 yyyy-MM-dd 299 * 300 * @param strDate301 * @return302 */303 public static Date strToDate(String strDate) {304 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");305 ParsePosition pos = new ParsePosition(0);306 Date strtodate = formatter.parse(strDate, pos);307 return strtodate;308 }309 310 /**311 * 得到现在时间312 * 313 * @return314 */315 public static Date getNow() {316 Date currentTime = new Date();317 return currentTime;318 }319 320 /**321 * 提取一个月中的最后一天322 * 323 * @param day324 * @return325 */326 public static Date getLastDate(long day) {327 Date date = new Date();328 long date_3_hm = date.getTime() - 3600000 * 34 * day;329 Date date_3_hm_date = new Date(date_3_hm);330 return date_3_hm_date;331 }332 333 /**334 * 得到现在时间335 * 336 * @return 字符串 yyyyMMdd HHmmss337 */338 public static String getStringToday() {339 Date currentTime = new Date();340 SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd HHmmss");341 String dateString = formatter.format(currentTime);342 return dateString;343 }344 345 /**346 * 得到现在小时347 */348 public static String getHour() {349 Date currentTime = new Date();350 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");351 String dateString = formatter.format(currentTime);352 String hour;353 hour = dateString.substring(11, 13);354 return hour;355 }356 357 /**358 * 得到现在分钟359 * 360 * @return361 */362 public static String getTime() {363 Date currentTime = new Date();364 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");365 String dateString = formatter.format(currentTime);366 String min;367 min = dateString.substring(14, 16);368 return min;369 }370 371 /**372 * 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。373 * 374 * @param sformat375 * yyyyMMddhhmmss376 * @return377 */378 public static String getUserDate(String sformat) {379 Date currentTime = new Date();380 SimpleDateFormat formatter = new SimpleDateFormat(sformat);381 String dateString = formatter.format(currentTime);382 return dateString;383 }384 385 /**386 * 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387 */388 public static String getTwoHour(String st1, String st2) {389 String[] kk = null;390 String[] jj = null;391 kk = st1.split(":");392 jj = st2.split(":");393 if (Integer.parseInt(kk[0]) < Integer.parseInt(jj[0]))394 return "0";395 else {396 double y = Double.parseDouble(kk[0]) + Double.parseDouble(kk[1]) / 60;397 double u = Double.parseDouble(jj[0]) + Double.parseDouble(jj[1]) / 60;398 if ((y - u) > 0)399 return y - u + "";400 else401 return "0";402 }403 }404 405 /**406 * 得到二个日期间的间隔天数407 */408 public static String getTwoDay(String sj1, String sj2) {409 SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");410 long day = 0;411 try {412 java.util.Date date = myFormatter.parse(sj1);413 java.util.Date mydate = myFormatter.parse(sj2);414 day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);415 } catch (Exception e) {416 return "";417 }418 return day + "";419 }420 421 /**422 * 时间前推或后推分钟,其中JJ表示分钟.423 */424 public static String getPreTime(String sj1, String jj) {425 SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");426 String mydate1 = "";427 try {428 Date date1 = format.parse(sj1);429 long Time = (date1.getTime() / 1000) + Integer.parseInt(jj) * 60;430 date1.setTime(Time * 1000);431 mydate1 = format.format(date1);432 } catch (Exception e) {433 }434 return mydate1;435 }436 437 /**438 * 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439 */440 public static String getNextDay(String nowdate, String delay) {441 try{442 SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");443 String mdate = "";444 Date d = strToDate(nowdate);445 long myTime = (d.getTime() / 1000) + Integer.parseInt(delay) * 24 * 60 * 60;446 d.setTime(myTime * 1000);447 mdate = format.format(d);448 return mdate;449 }catch(Exception e){450 return "";451 }452 }453 454 /**455 * 判断是否润年456 * 457 * @param ddate458 * @return459 */460 public static boolean isLeapYear(String ddate) {461 462 /**463 * 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464 * 3.能被4整除同时能被100整除则不是闰年465 */466 Date d = strToDate(ddate);467 GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();468 gc.setTime(d);469 int year = gc.get(Calendar.YEAR);470 if ((year % 400) == 0)471 return true;472 else if ((year % 4) == 0) {473 if ((year % 100) == 0)474 return false;475 else476 return true;477 } else478 return false;479 }480 481 /**482 * 返回美国时间格式 26 Apr 2006483 * 484 * @param str485 * @return486 */487 public static String getEDate(String str) {488 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");489 ParsePosition pos = new ParsePosition(0);490 Date strtodate = formatter.parse(str, pos);491 String j = strtodate.toString();492 String[] k = j.split(" ");493 return k[2] + k[1].toUpperCase() + k[5].substring(2, 4);494 }495 496 /**497 * 获取一个月的最后一天498 * 499 * @param dat500 * @return501 */502 public static String getEndDateOfMonth(String dat) { // yyyy-MM-dd503 String str = dat.substring(0, 8);504 String month = dat.substring(5, 7);505 int mon = Integer.parseInt(month);506 if (mon == 1 || mon == 3 || mon == 5 || mon == 7 || mon == 8 || mon == 10 || mon == 12) {507 str += "31";508 } else if (mon == 4 || mon == 6 || mon == 9 || mon == 11) {509 str += "30";510 } else {511 if (isLeapYear(dat)) {512 str += "29";513 } else {514 str += "28";515 }516 }517 return str;518 }519 520 /**521 * 判断二个时间是否在同一个周522 * 523 * @param date1524 * @param date2525 * @return526 */527 public static boolean isSameWeekDates(Date date1, Date date2) {528 Calendar cal1 = Calendar.getInstance();529 Calendar cal2 = Calendar.getInstance();530 cal1.setTime(date1);531 cal2.setTime(date2);532 int subYear = cal1.get(Calendar.YEAR) - cal2.get(Calendar.YEAR);533 if (0 == subYear) {534 if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))535 return true;536 } else if (1 == subYear && 11 == cal2.get(Calendar.MONTH)) {537 // 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538 if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))539 return true;540 } else if (-1 == subYear && 11 == cal1.get(Calendar.MONTH)) {541 if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))542 return true;543 }544 return false;545 }546 547 /**548 * 产生周序列,即得到当前时间所在的年度是第几周549 * 550 * @return551 */552 public static String getSeqWeek() {553 Calendar c = Calendar.getInstance(Locale.CHINA);554 String week = Integer.toString(c.get(Calendar.WEEK_OF_YEAR));555 if (week.length() == 1)556 week = "0" + week;557 String year = Integer.toString(c.get(Calendar.YEAR));558 return year + week;559 }560 561 /**562 * 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563 * 564 * @param sdate565 * @param num566 * @return567 */568 public static String getWeek(String sdate, String num) {569 // 再转换为时间570 Date dd = VeDate.strToDate(sdate);571 Calendar c = Calendar.getInstance();572 c.setTime(dd);573 if (num.equals("1")) // 返回星期一所在的日期574 c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);575 else if (num.equals("2")) // 返回星期二所在的日期576 c.set(Calendar.DAY_OF_WEEK, Calendar.TUESDAY);577 else if (num.equals("3")) // 返回星期三所在的日期578 c.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);579 else if (num.equals("4")) // 返回星期四所在的日期580 c.set(Calendar.DAY_OF_WEEK, Calendar.THURSDAY);581 else if (num.equals("5")) // 返回星期五所在的日期582 c.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);583 else if (num.equals("6")) // 返回星期六所在的日期584 c.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);585 else if (num.equals("0")) // 返回星期日所在的日期586 c.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);587 return new SimpleDateFormat("yyyy-MM-dd").format(c.getTime());588 }589 590 /**591 * 根据一个日期，返回是星期几的字符串592 * 593 * @param sdate594 * @return595 */596 public static String getWeek(String sdate) {597 // 再转换为时间598 Date date = VeDate.strToDate(sdate);599 Calendar c = Calendar.getInstance();600 c.setTime(date);601 // int hour=c.get(Calendar.DAY_OF_WEEK);602 // hour中存的就是星期几了，其范围 1~7603 // 1=星期日 7=星期六，其他类推604 return new SimpleDateFormat("EEEE").format(c.getTime());605 }606 public static String getWeekStr(String sdate){607 String str = "";608 str = VeDate.getWeek(sdate);609 if("1".equals(str)){610 str = "星期日";611 }else if("2".equals(str)){612 str = "星期一";613 }else if("3".equals(str)){614 str = "星期二";615 }else if("4".equals(str)){616 str = "星期三";617 }else if("5".equals(str)){618 str = "星期四";619 }else if("6".equals(str)){620 str = "星期五";621 }else if("7".equals(str)){622 str = "星期六";623 }624 return str;625 }626 627 /**628 * 两个时间之间的天数629 * 630 * @param date1631 * @param date2632 * @return633 */634 public static long getDays(String date1, String date2) {635 if (date1 == null || date1.equals(""))636 return 0;637 if (date2 == null || date2.equals(""))638 return 0;639 // 转换为标准时间640 SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");641 java.util.Date date = null;642 java.util.Date mydate = null;643 try {644 date = myFormatter.parse(date1);645 mydate = myFormatter.parse(date2);646 } catch (Exception e) {647 }648 long day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);649 return day;650 }651 652 /**653 * 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654 * 此函数返回该日历第一行星期日所在的日期655 * 656 * @param sdate657 * @return658 */659 public static String getNowMonth(String sdate) {660 // 取该时间所在月的一号661 sdate = sdate.substring(0, 8) + "01";662 663 // 得到这个月的1号是星期几664 Date date = VeDate.strToDate(sdate);665 Calendar c = Calendar.getInstance();666 c.setTime(date);667 int u = c.get(Calendar.DAY_OF_WEEK);668 String newday = VeDate.getNextDay(sdate, (1 - u) + "");669 return newday;670 }671 672 /**673 * 取得数据库主键 生成格式为yyyymmddhhmmss+k位随机数674 * 675 * @param k676 * 表示是取几位随机数，可以自己定677 */678 679 public static String getNo(int k) {680 681 return getUserDate("yyyyMMddhhmmss") + getRandom(k);682 }683 684 /**685 * 返回一个随机数686 * 687 * @param i688 * @return689 */690 public static String getRandom(int i) {691 Random jjj = new Random();692 // int suiJiShu = jjj.nextInt(9);693 if (i == 0)694 return "";695 String jj = "";696 for (int k = 0; k < i; k++) {697 jj = jj + jjj.nextInt(9);698 }699 return jj;700 }701 702 /**703 * 704 * @param args705 */706 public static boolean RightDate(String date) {707 708 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");709 ;710 if (date == null)711 return false;712 if (date.length() > 10) {713 sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");714 } else {715 sdf = new SimpleDateFormat("yyyy-MM-dd");716 }717 try {718 sdf.parse(date);719 } catch (ParseException pe) {720 return false;721 }722 return true;723 }724 725 /***************************************************************************726 * //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 1727 * 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728 **************************************************************************/729 public static String getStringDateMonth(String sdate, String nd, String yf, String rq, String format) {730 Date currentTime = new Date();731 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");732 String dateString = formatter.format(currentTime);733 String s_nd = dateString.substring(0, 4); // 年份734 String s_yf = dateString.substring(5, 7); // 月份735 String s_rq = dateString.substring(8, 10); // 日期736 String sreturn = "";737 roc.util.MyChar mc = new roc.util.MyChar();738 if (sdate == null || sdate.equals("") || !mc.Isdate(sdate)) { // 处理空值情况739 if (nd.equals("1")) {740 sreturn = s_nd;741 // 处理间隔符742 if (format.equals("1"))743 sreturn = sreturn + "年";744 else if (format.equals("2"))745 sreturn = sreturn + "-";746 else if (format.equals("3"))747 sreturn = sreturn + "/";748 else if (format.equals("5"))749 sreturn = sreturn + ".";750 }751 // 处理月份752 if (yf.equals("1")) {753 sreturn = sreturn + s_yf;754 if (format.equals("1"))755 sreturn = sreturn + "月";756 else if (format.equals("2"))757 sreturn = sreturn + "-";758 else if (format.equals("3"))759 sreturn = sreturn + "/";760 else if (format.equals("5"))761 sreturn = sreturn + ".";762 }763 // 处理日期764 if (rq.equals("1")) {765 sreturn = sreturn + s_rq;766 if (format.equals("1"))767 sreturn = sreturn + "日";768 }769 } else {770 // 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771 sdate = roc.util.RocDate.getOKDate(sdate);772 s_nd = sdate.substring(0, 4); // 年份773 s_yf = sdate.substring(5, 7); // 月份774 s_rq = sdate.substring(8, 10); // 日期775 if (nd.equals("1")) {776 sreturn = s_nd;777 // 处理间隔符778 if (format.equals("1"))779 sreturn = sreturn + "年";780 else if (format.equals("2"))781 sreturn = sreturn + "-";782 else if (format.equals("3"))783 sreturn = sreturn + "/";784 else if (format.equals("5"))785 sreturn = sreturn + ".";786 }787 // 处理月份788 if (yf.equals("1")) {789 sreturn = sreturn + s_yf;790 if (format.equals("1"))791 sreturn = sreturn + "月";792 else if (format.equals("2"))793 sreturn = sreturn + "-";794 else if (format.equals("3"))795 sreturn = sreturn + "/";796 else if (format.equals("5"))797 sreturn = sreturn + ".";798 }799 // 处理日期800 if (rq.equals("1")) {801 sreturn = sreturn + s_rq;802 if (format.equals("1"))803 sreturn = sreturn + "日";804 }805 }806 return sreturn;807 }808 809 public static String getNextMonthDay(String sdate, int m) {810 sdate = getOKDate(sdate);811 int year = Integer.parseInt(sdate.substring(0, 4));812 int month = Integer.parseInt(sdate.substring(5, 7));813 month = month + m;814 if (month < 0) {815 month = month + 12;816 year = year - 1;817 } else if (month > 12) {818 month = month - 12;819 year = year + 1;820 }821 String smonth = "";822 if (month < 10)823 smonth = "0" + month;824 else825 smonth = "" + month;826 return year + "-" + smonth + "-10";827 }828 829 public static String getOKDate(String sdate) {830 if (sdate == null || sdate.equals(""))831 return getStringDateShort();832 833 if (!VeStr.Isdate(sdate)) {834 sdate = getStringDateShort();835 }836 // 将“/”转换为“-”837 sdate = VeStr.Replace(sdate, "/", "-");838 // 如果只有8位长度，则要进行转换839 if (sdate.length() == 8)840 sdate = sdate.substring(0, 4) + "-" + sdate.substring(4, 6) + "-" + sdate.substring(6, 8);841 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");842 ParsePosition pos = new ParsePosition(0);843 Date strtodate = formatter.parse(sdate, pos);844 String dateString = formatter.format(strtodate);845 return dateString;846 }847 848 public static void main(String[] args) throws Exception {849 try {850 //System.out.print(Integer.valueOf(getTwoDay("2006-11-03 12:22:10", "2006-11-02 11:22:09")));851 } catch (Exception e) {852 throw new Exception();853 }854 //System.out.println("sss");855 }