From 98b1a0affd69bbe63223c21fdd2c404e8bedfccb Mon Sep 17 00:00:00 2001
From: admin <weikou2014>
Date: 星期三, 20 五月 2020 17:25:08 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/div' into 2.1.2
---
utils/src/main/java/org/yeshi/utils/DateUtil.java | 652 +++++++++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 607 insertions(+), 45 deletions(-)
diff --git a/utils/src/main/java/org/yeshi/utils/DateUtil.java b/utils/src/main/java/org/yeshi/utils/DateUtil.java
index fa36db5..915a83b 100644
--- a/utils/src/main/java/org/yeshi/utils/DateUtil.java
+++ b/utils/src/main/java/org/yeshi/utils/DateUtil.java
@@ -2,80 +2,642 @@
import java.text.ParseException;
import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Calendar;
import java.util.Date;
-import java.util.HashMap;
-import java.util.Map;
+import java.util.List;
+import org.yeshi.utils.entity.DateInfo;
public class DateUtil {
-
+
public static String dateDiff(String startTime, String endTime) {
-
- String datatime = 0 + "澶�" + 0 + "灏忔椂" + 0 + "鍒嗛挓" ;
+
+ String datatime = 0 + "澶�" + 0 + "灏忔椂" + 0 + "鍒嗛挓";
SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
-
+
try {
- long ns = 1000;// 涓�绉掗挓鐨勬绉掓暟
long nm = 1000 * 60;// 涓�鍒嗛挓鐨勬绉掓暟
long nh = 1000 * 60 * 60;// 涓�灏忔椂鐨勬绉掓暟
long nd = 1000 * 24 * 60 * 60;// 涓�澶╃殑姣鏁�
-
+
// 鑾峰緱涓や釜鏃堕棿鐨勬绉掓椂闂村樊寮�
long diff = sd.parse(endTime).getTime() - sd.parse(startTime).getTime();
-
+
long day = diff / nd;// 璁＄畻宸灏戝ぉ
long hour = diff % nd / nh;// 璁＄畻宸灏戝皬鏃�
long min = diff % nd % nh / nm;// 璁＄畻宸灏戝垎閽�
- long sec = diff % nd % nh % nm / ns;// 璁＄畻宸灏戠
-
- //System.out.println("鏃堕棿鐩稿樊锛�" + day + "澶�" + hour + "灏忔椂" + min + "鍒嗛挓" + sec + "绉�");
-
- datatime = day + "澶�" + hour + "灏忔椂" + min + "鍒嗛挓" ;
-
+
+ datatime = day + "澶�" + hour + "灏忔椂" + min + "鍒嗛挓";
+
} catch (ParseException e) {
- // TODO Auto-generated catch block
e.printStackTrace();
}
-
+
return datatime;
}
-
-
- public static String dateDiff2(Date startTime, Date endTime) throws Exception{
-
- String datatime = 0 + "澶�" + 0 + "灏忔椂" + 0 + "鍒嗛挓" ;
-
- long ns = 1000;// 涓�绉掗挓鐨勬绉掓暟
+
+ public static String dateDiff2(Date startTime, Date endTime) throws Exception {
+
+ String datatime = "0鍒�";
+
long nm = 1000 * 60;// 涓�鍒嗛挓鐨勬绉掓暟
long nh = 1000 * 60 * 60;// 涓�灏忔椂鐨勬绉掓暟
long nd = 1000 * 24 * 60 * 60;// 涓�澶╃殑姣鏁�
-
+
// 鑾峰緱涓や釜鏃堕棿鐨勬绉掓椂闂村樊寮�
long diff = endTime.getTime() - startTime.getTime();
-
long day = diff / nd;// 璁＄畻宸灏戝ぉ
long hour = diff % nd / nh;// 璁＄畻宸灏戝皬鏃�
long min = diff % nd % nh / nm;// 璁＄畻宸灏戝垎閽�
-
-
- datatime = day + "澶�" + hour + "灏忔椂" + min + "鍒嗛挓" ;
-
-
+
+ if (day > 0) {
+ datatime = day + "澶�" + hour + "鏃�" + min + "鍒�";
+ } else {
+ if (hour > 0) {
+ datatime = hour + "鏃�" + min + "鍒�";
+ } else {
+ if (min < 0)
+ min = 0;
+ datatime = min + "鍒�";
+ }
+ }
return datatime;
}
-
- public String transferLongToDate(String dateFormat, Long millSec) {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- Date date = new Date(millSec);
- return sdf.format(date);
- }
- public static void main(String[] args) {
- long a= 1529044851008L;
- Long l = new Long(a);
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- Date date = new Date(l);
- System.out.println(sdf.format(date));
- new DateUtil().dateDiff(new SimpleDateFormat("yyyy-MM-dd hh:mm:ss").format(new Date()), sdf.format(date));
- }
+ public static DateInfo dateDiff3(long startTime, long endTime) throws Exception {
+ long nm = 1000 * 60;// 涓�鍒嗛挓鐨勬绉掓暟
+ long nh = 1000 * 60 * 60;// 涓�灏忔椂鐨勬绉掓暟
+ long nd = 1000 * 24 * 60 * 60;// 涓�澶╃殑姣鏁�
+
+ // 鑾峰緱涓や釜鏃堕棿鐨勬绉掓椂闂村樊寮�
+ long diff = endTime - startTime;
+
+ int day = (int) (diff / nd);// 璁＄畻宸灏戝ぉ
+ long hour = diff % nd / nh;// 璁＄畻宸灏戝皬鏃�
+ long minute = diff % nd % nh / nm;// 璁＄畻宸灏戝垎閽�
+ long second = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - minute * 60); // 璁＄畻宸灏戠
+
+ DateInfo dateInfo = new DateInfo();
+ dateInfo.setDay(day);
+ dateInfo.setHour(hour);
+ dateInfo.setMinute(minute);
+ dateInfo.setSecond(second);
+ return dateInfo;
+ }
+
+ public static String dateDiff4(Date startTime, Date endTime) throws Exception {
+
+ String datatime = "0鍒�";
+
+ long nm = 1000 * 60;// 涓�鍒嗛挓鐨勬绉掓暟
+ long nh = 1000 * 60 * 60;// 涓�灏忔椂鐨勬绉掓暟
+ long nd = 1000 * 24 * 60 * 60;// 涓�澶╃殑姣鏁�
+
+ // 鑾峰緱涓や釜鏃堕棿鐨勬绉掓椂闂村樊寮�
+ long diff = endTime.getTime() - startTime.getTime();
+ long day = diff / nd;// 璁＄畻宸灏戝ぉ
+ long hour = diff % nd / nh;// 璁＄畻宸灏戝皬鏃�
+ long min = diff % nd % nh / nm;// 璁＄畻宸灏戝垎閽�
+
+ if (day > 0) {
+ datatime = day + "澶�";
+ } else {
+ if (hour > 0) {
+ datatime = hour + "鏃�";
+ } else {
+ if (min < 0)
+ min = 0;
+ datatime = min + "鍒�";
+ }
+ }
+ return datatime;
+ }
+
+ public static String dateDiff5(Date startTime, Date endTime) throws Exception {
+ long nm = 1000 * 60;// 涓�鍒嗛挓鐨勬绉掓暟
+ long nh = 1000 * 60 * 60;// 涓�灏忔椂鐨勬绉掓暟
+ long nd = 1000 * 24 * 60 * 60;// 涓�澶╃殑姣鏁�
+
+ // 鑾峰緱涓や釜鏃堕棿鐨勬绉掓椂闂村樊寮�
+ long diff = endTime.getTime() - startTime.getTime();
+ long day = diff / nd;// 璁＄畻宸灏戝ぉ
+ long hour = diff % nd / nh;// 璁＄畻宸灏戝皬鏃�
+ long min = diff % nd % nh / nm;// 璁＄畻宸灏戝垎閽�
+ long second = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60); // 璁＄畻宸灏戠
+
+ String datatime = "";
+ if (day > 0) {
+ datatime = day + "澶�";
+ } else if (hour > 0) {
+ datatime = hour + "灏忔椂";
+ } else if (min > 0) {
+ datatime = min + "鍒嗛挓";
+ } else if (second > 0) {
+ datatime = second + "绉�";
+ }
+ return datatime;
+ }
+
+ public static long dateDiffMin(Date startTime, Date endTime) throws Exception {
+ long nm = 1000 * 60;// 涓�鍒嗛挓鐨勬绉掓暟
+ long nh = 1000 * 60 * 60;// 涓�灏忔椂鐨勬绉掓暟
+ long nd = 1000 * 24 * 60 * 60;// 涓�澶╃殑姣鏁�
+
+ // 鑾峰緱涓や釜鏃堕棿鐨勬绉掓椂闂村樊寮�
+ long diff = endTime.getTime() - startTime.getTime();
+ long day = diff / nd;// 璁＄畻宸灏戝ぉ
+ long hour = diff % nd / nh;// 璁＄畻宸灏戝皬鏃�
+ long min = diff % nd % nh / nm + day * 24 * 60 + hour * 60;// 璁＄畻宸灏戝垎閽�
+ return min;
+ }
+
+ /**
+ * 閫氳繃鏃堕棿绉掓绉掓暟鍒ゆ柇涓や釜鏃堕棿鐨勯棿闅�
+ *
+ * @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) {
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+ Date date = new Date(millSec);
+ return sdf.format(date);
+ }
+
+ /**
+ * 楠岃瘉鏄惁灞炰簬鍚屼竴澶�
+ *
+ * @param date1
+ * @param date2
+ * @return
+ */
+ public static boolean isSameDay(Date date1, Date date2) {
+ if (date1 != null && date2 != null) {
+ Calendar cal1 = Calendar.getInstance();
+ cal1.setTime(date1);
+ Calendar cal2 = Calendar.getInstance();
+ cal2.setTime(date2);
+ return isSameDay(cal1, cal2);
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * 楠岃瘉鏄惁灞炰簬鍚屼竴澶�
+ *
+ * @param cal1
+ * @param cal2
+ * @return
+ */
+ public static boolean isSameDay(Calendar cal1, Calendar cal2) {
+ if (cal1 != null && cal2 != null) {
+ return cal1.get(0) == cal2.get(0) && cal1.get(1) == cal2.get(1) && cal1.get(6) == cal2.get(6);
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * 鍒ゆ柇鏄惁鍚屼竴涓湀
+ *
+ * @param date1
+ * @param date2
+ * @return
+ */
+ public static boolean isSameMonth(Date date1, Date date2) {
+ Calendar calendar1 = Calendar.getInstance();
+ calendar1.setTime(date1);
+ Calendar calendar2 = Calendar.getInstance();
+ calendar2.setTime(date2);
+ int year1 = calendar1.get(Calendar.YEAR);
+ int year2 = calendar2.get(Calendar.YEAR);
+ int month1 = calendar1.get(Calendar.MONTH);
+ int month2 = calendar2.get(Calendar.MONTH);
+ System.out.println(year1 + " " + month1);
+ System.out.println(year2 + " " + month2);
+ return calendar1.get(Calendar.YEAR) == calendar2.get(Calendar.YEAR)
+ && calendar1.get(Calendar.MONTH) == calendar2.get(Calendar.MONTH);
+ }
+
+ /**
+ * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
+ *
+ * @param num 澧炲姞鐨勫ぉ鏁�
+ * @param nowDate 鍒涘缓鏃堕棿
+ * @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());
+ }
+
+ /**
+ * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
+ *
+ * @param num 澧炲姞鐨勫ぉ鏁�
+ * @param nowDate 鍒涘缓鏃堕棿
+ * @return
+ * @throws ParseException
+ */
+ public static Date plusDayReturnDate(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 ca.getTime();
+ }
+
+ /**
+ * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
+ *
+ * @param num 澧炲姞鐨勫ぉ鏁�
+ * @param nowDate 鍒涘缓鏃堕棿
+ * @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());
+ }
+
+ /**
+ * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
+ *
+ * @param num 澧炲姞鐨勫ぉ鏁�
+ * @param nowDate 鍒涘缓鏃堕棿
+ * @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();
+ }
+
+ /**
+ * 鍔犱笂鏈堜唤
+ *
+ * @param currdate
+ * @param num
+ * @return
+ */
+ public static Date plusMonths(Date currdate, int num) {
+ Calendar ca = Calendar.getInstance();
+ ca.setTime(currdate);
+ ca.add(Calendar.MONTH, num);
+ return ca.getTime();
+ }
+
+ /**
+ * 鍔犱笂骞翠唤
+ *
+ * @param currdate
+ * @param num
+ * @return
+ */
+ public static Date plusYears(Date currdate, int num) {
+ Calendar ca = Calendar.getInstance();
+ ca.setTime(currdate);
+ ca.add(Calendar.YEAR, num);
+ return ca.getTime();
+ }
+
+ /**
+ * 鍑忓幓鏈堜唤
+ *
+ * @param currdate
+ * @param num
+ * @return
+ */
+ public static Date reduceMonth(Date currdate, int num) {
+ Calendar ca = Calendar.getInstance();
+ ca.setTime(currdate);
+ ca.add(Calendar.MONTH, -num);
+ return ca.getTime();
+ }
+
+ public static Date reduceDay(Date currdate, int num) {
+ Calendar ca = Calendar.getInstance();
+ ca.setTime(currdate);
+ ca.add(Calendar.DATE, -num);
+ return ca.getTime();
+ }
+
+ /**
+ * 鎸囧畾鏃ユ湡鍑忓幓澶╂暟鍚庣殑鏃ユ湡
+ *
+ * @param num 鍑忓幓鐨勫ぉ鏁�
+ * @param nowDate 鍒涘缓鏃堕棿
+ * @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); // 鏃ユ湡鍑� 濡傛灉涓嶅鍑忎細灏嗘湀鍙樺姩
+
+ return format.format(ca.getTime());
+ }
+
+ /**
+ * 鎸囧畾鏃ユ湡鍑忓幓澶╂暟鍚庣殑鏃ユ湡
+ *
+ * @param num 鍑忓幓鐨勫ぉ鏁�
+ * @param nowDate 鍒涘缓鏃堕棿
+ * @return
+ * @throws ParseException
+ */
+ public static String reduceDay2(int num, Date date) throws ParseException {
+ // 璁剧疆瑕佽幏鍙栧埌浠�涔堟牱鐨勬椂闂�
+ SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
+ // 鑾峰彇String绫诲瀷鐨勬椂闂�
+ String date_str = format.format(date);
+ Date currdate = format.parse(date_str);
+
+ Calendar ca = Calendar.getInstance();
+ ca.setTime(currdate);
+ ca.add(Calendar.DATE, -num); // 鏃ユ湡鍑� 濡傛灉涓嶅鍑忎細灏嗘湀鍙樺姩
+
+ return format.format(ca.getTime());
+ }
+
+ /**
+ * 鎸囧畾鏃ユ湡鍑忓幓澶╂暟鍚庣殑鏃ユ湡
+ *
+ * @param num 鍑忓幓鐨勫ぉ鏁�
+ * @param nowDate 鍒涘缓鏃堕棿
+ * @return
+ * @throws ParseException
+ */
+ public static Date reduceDay(int num, Date date) throws ParseException {
+ // 璁剧疆瑕佽幏鍙栧埌浠�涔堟牱鐨勬椂闂�
+ SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
+ // 鑾峰彇String绫诲瀷鐨勬椂闂�
+ String date_str = format.format(date);
+ Date currdate = format.parse(date_str);
+
+ Calendar ca = Calendar.getInstance();
+ ca.setTime(currdate);
+ ca.add(Calendar.DATE, -num); // 鏃ユ湡鍑� 濡傛灉涓嶅鍑忎細灏嗘湀鍙樺姩
+
+ return ca.getTime();
+ }
+
+ /**
+ * 鎸囧畾鏃ユ湡鍑忓幓澶╂暟鍚庣殑鏃ユ湡
+ *
+ * @param num 鍑忓幓鐨勫ぉ鏁�
+ * @param nowDate 鍒涘缓鏃堕棿
+ * @return
+ * @throws ParseException
+ */
+ public static String reduceDayTostring(int num, Date date) throws ParseException {
+ // 璁剧疆瑕佽幏鍙栧埌浠�涔堟牱鐨勬椂闂�
+ SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
+ // 鑾峰彇String绫诲瀷鐨勬椂闂�
+ String date_str = format.format(date);
+ Date currdate = format.parse(date_str);
+
+ Calendar ca = Calendar.getInstance();
+ ca.setTime(currdate);
+ ca.add(Calendar.DATE, -num); // 鏃ユ湡鍑� 濡傛灉涓嶅鍑忎細灏嗘湀鍙樺姩
+ return format.format(ca.getTime());
+ }
+
+ /**
+ * 璁＄畻涓や釜鏃ユ湡涔嬮棿鐩稿樊鐨勫ぉ鏁�
+ *
+ * @param smdate 杈冨皬鐨勬椂闂�
+ * @param bdate 杈冨ぇ鐨勬椂闂�
+ * @return 鐩稿樊澶╂暟
+ * @throws ParseException calendar 瀵规棩鏈熻繘琛屾椂闂存搷浣� getTimeInMillis() 鑾峰彇鏃ユ湡鐨勬绉掓樉绀哄舰寮�
+ */
+ 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));
+ }
+
+ /**
+ * 瀛楃涓叉棩鏈熸牸寮忕殑璁＄畻
+ *
+ * @param smdate
+ * @param bdate
+ * @return 鍗曚綅澶╂暟
+ * @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));
+ }
+
+ /**
+ * 瀛楃涓叉棩鏈熸牸寮忕殑璁＄畻
+ *
+ * @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));
+ }
+
+ /**
+ * 杩斿洖涓棿鏃ユ湡
+ *
+ * @param startTime
+ * @param endTime
+ * @return
+ * @throws Exception
+ */
+ public static List<String> dayFactory(String startTime, String endTime) throws Exception {
+
+ List<String> listDate = new ArrayList<String>();
+
+ String plusDay = "";
+ for (int i = 0; i < 1000; i++) {
+ if (i == 0) {
+ plusDay = startTime;
+ } else {
+ plusDay = DateUtil.plusDay(i, startTime);
+ }
+
+ listDate.add(plusDay);
+
+ if (plusDay.equals(endTime)) {
+ break; // 鏃堕棿缁撴潫
+ }
+ }
+ return listDate;
+ }
+
+ /**
+ * 闅忔満鍑忓幓鍑犲垎閽�
+ *
+ * @param date
+ * @param min 闅忔満娣诲姞鐨勫垎閽熸暟
+ * @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);
+ }
+
+ /**
+ * 璁＄畻涓ゆ椂闂存湀宸�
+ *
+ * @param startDate <String>
+ * @param endDate <String>
+ * @return int
+ * @throws ParseException
+ */
+ public static int getMonthSpace(String startDate, String endDate) throws ParseException {
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
+ return getMonthSpace(sdf.parse(startDate), sdf.parse(endDate));
+ }
+
+ /**
+ * 璁＄畻涓ゆ椂闂存湀宸�
+ *
+ * @param startDate <String>
+ * @param endDate <String>
+ * @return int
+ * @throws ParseException
+ */
+ public static int getMonthSpace(Date startDate, Date endDate) {
+ Calendar start = Calendar.getInstance();
+ Calendar end = Calendar.getInstance();
+ start.setTime(startDate);
+ end.setTime(endDate);
+ int result = end.get(Calendar.MONTH) - start.get(Calendar.MONTH);
+ int month = (end.get(Calendar.YEAR) - start.get(Calendar.YEAR)) * 12;
+ return Math.abs(month + result);
+ }
+
+ public static Date getTodayStartTime() {
+ Calendar todayStart = Calendar.getInstance();
+ todayStart.set(Calendar.HOUR_OF_DAY, 0);
+ todayStart.set(Calendar.MINUTE, 0);
+ todayStart.set(Calendar.SECOND, 0);
+ todayStart.set(Calendar.MILLISECOND, 0);
+ return todayStart.getTime();
+ }
+
+ public static Date getTodayEndTime() {
+ Calendar todayEnd = Calendar.getInstance();
+ todayEnd.set(Calendar.HOUR_OF_DAY, 23);
+ todayEnd.set(Calendar.MINUTE, 59);
+ todayEnd.set(Calendar.SECOND, 59);
+ todayEnd.set(Calendar.MILLISECOND, 999);
+ return todayEnd.getTime();
+ }
+
+ /**
+ * 鑾峰彇鎸囧畾骞存湀鐨勭涓�澶�
+ *
+ * @param yearMonth
+ * @return
+ */
+ public static String getFirstDayOfMonth(String yearMonth) {
+ int year = Integer.parseInt(yearMonth.split("-")[0]); // 骞�
+ int month = Integer.parseInt(yearMonth.split("-")[1]); // 鏈�
+ return getFirstDayOfMonth(year, month);
+ }
+
+ /**
+ * 鑾峰彇鎸囧畾骞存湀鐨勭涓�澶�
+ *
+ * @param year
+ * @param month
+ * @return
+ */
+ public static String getFirstDayOfMonth(int year, int month) {
+ Calendar cal = Calendar.getInstance();
+ // 璁剧疆骞翠唤
+ cal.set(Calendar.YEAR, year);
+ // 璁剧疆鏈堜唤
+ cal.set(Calendar.MONTH, month - 1);
+ // 鑾峰彇鏌愭湀鏈�灏忓ぉ鏁�
+ int firstDay = cal.getMinimum(Calendar.DATE);
+ // 璁剧疆鏃ュ巻涓湀浠界殑鏈�灏忓ぉ鏁�
+ cal.set(Calendar.DAY_OF_MONTH, firstDay);
+ // 鏍煎紡鍖栨棩鏈�
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+ return sdf.format(cal.getTime());
+ }
+
+ /**
+ * 鑾峰彇鎸囧畾骞存湀鐨勬渶鍚庝竴澶�
+ *
+ * @param yearMonth
+ * @return
+ */
+ public static String getLastDayOfMonth(String yearMonth) {
+ int year = Integer.parseInt(yearMonth.split("-")[0]); // 骞�
+ int month = Integer.parseInt(yearMonth.split("-")[1]); // 鏈�
+ return getLastDayOfMonth(year, month);
+ }
+
+ /**
+ * 鑾峰彇鎸囧畾骞存湀鐨勬渶鍚庝竴澶�
+ *
+ * @param year
+ * @param month
+ * @return
+ */
+ public static String getLastDayOfMonth(int year, int month) {
+ Calendar cal = Calendar.getInstance();
+ // 璁剧疆骞翠唤
+ cal.set(Calendar.YEAR, year);
+ // 璁剧疆鏈堜唤
+ cal.set(Calendar.MONTH, month - 1);
+ // 鑾峰彇鏌愭湀鏈�澶уぉ鏁�
+ int lastDay = cal.getActualMaximum(Calendar.DATE);
+ // 璁剧疆鏃ュ巻涓湀浠界殑鏈�澶уぉ鏁�
+ cal.set(Calendar.DAY_OF_MONTH, lastDay);
+ // 鏍煎紡鍖栨棩鏈�
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+ return sdf.format(cal.getTime());
+ }
+
+ public static void main(String[] args) throws ParseException {
+ System.out.println(getMonthSpace("2012-02", "2012-02"));
+ }
+
}
\ No newline at end of file
--
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