DateUtils 工具类：获取指定月份第一天时间，最后一天时间
2024-05-11 06:11:14
获取指定月份第一天时间
getMinDateMonth
，最后一天时间
getMaxDateMonth
，将时间区间按照月份分组，拆分多个片段
getDateSplitMonth
指定月份的下个月
getNextMonth
import java.math.BigDecimal;
import java.text.*;
import java.util.*;import com.alibaba.fastjson.JSONObject;
import com.lichu.pospay.common.util.Tool;
import com.sun.jna.platform.win32.OaIdl;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;/** * 日期工具类，获取日期类型数据*/
public class DateUtils {/*** 当前时间的毫秒数*/static long now = System.currentTimeMillis();/*** 当前日期*/public static java.util.Date CurrTime = new java.util.Date(now);/*** 当前sql时间*/public static java.sql.Timestamp CurrSqlTime = new java.sql.Timestamp(now);/*** 日期*/private static Date date = new Date();/*** 构造函数*/public DateUtils() {}/*** 获取当前时间的Long类型*/public static long getNow() {CurrTime = new java.util.Date();return CurrTime.getTime();}/*** 获取某年某月的所有周末的日期* @param year* @param month*/public static List getMonthWeekend(int year, int month) {int num = 0;List weekendList = new ArrayList();String week = null;Calendar cal = Calendar.getInstance();cal.setTimeZone(TimeZone.getDefault());cal.clear();int dateNum = getMonthDay(year,month);for(int date=1;date<=dateNum;date++){cal.set(year, month - 1, date);num = cal.get(cal.DAY_OF_WEEK);if(num == 1 || num == 7){weekendList.add(new Integer(date));}}return weekendList;}/*** 获取beginDate开始的日期到endDate连续的日期* @param beginDate* @param endDate*/public static List<String> getDateFromToList(String beginDate, String endDate) {List<String> listDate = new ArrayList<String>();Date sDate = getDateBy(beginDate);Date eDate = getDateBy(endDate);// 将时间格式化为YYYY-MM-DDDateFormat dateformat = new SimpleDateFormat("yyyy-MM-dd");while (!sDate.after(eDate)) {listDate.add(dateformat.format(sDate));sDate = btoEDate(sDate, 1);}return listDate;}/*** 根据String类型转换成Date* @param date*/private static Date getDateBy(String date) {String[] end = date.split(" ")[0].split("-");Date eDate = new Date(Integer.parseInt(end[0]) - 1900, Integer.parseInt(end[1]) - 1, Integer.parseInt(end[2]));return eDate;}/*** 当前时间增加/减去几天后,以及增加/减少几个月的的日期* @param date (java. util.Date)* @param datelen (增加或者减少几天)* @param monthlen (增加或者减少几个月)* @param formate 需要转化的格式* @return* create BY Haolp on 2016-12-29*/public static String btoMonthDate(Date date, int datelen,int monthlen,String formate ){String datemonth="";Calendar cal = new GregorianCalendar();cal.setTime(date);//月数if (monthlen != 0) {cal.add(cal.MONTH, monthlen);//月数加减 }//天数if (datelen != 0) {cal.add(Calendar.DAY_OF_MONTH, datelen);//天数加减 }Date newdate = cal.getTime(); java.text.SimpleDateFormat format = new java.text.SimpleDateFormat(formate); datemonth= format.format(newdate);return datemonth;}/*** 当前时间增加/减去几天后,以及增加/减少几个月的的日期* @param sourcedate (java. util.Date) yyyy-MM-dd* @param datelen (增加或者减少几天)* @param monthlen (增加或者减少几个月)* @param targetformate 需要转化的格式 * @return* create BY Haolp on 2016-12-29*/public static String btoMonthDate(String sourcedate, int datelen,int monthlen,String targetformate ){String datemonth="";try {DateFormat format1 = new SimpleDateFormat("yyyy-MM-dd"); Date date = format1.parse(sourcedate);Calendar cal = new GregorianCalendar();cal.setTime(date);//月数if (monthlen != 0) {cal.add(cal.MONTH, monthlen);//月数加减 }//天数if (datelen != 0) {cal.add(Calendar.DAY_OF_MONTH, datelen);//天数加减 }Date newdate = cal.getTime(); java.text.SimpleDateFormat format = new java.text.SimpleDateFormat(targetformate); datemonth= format.format(newdate);} catch (ParseException e) {// TODO Auto-generated catch blocke.printStackTrace();} return datemonth;}/*** 当前时间增加/减去分钟* @param date* @param minutelen* @param format* @return* @author lzx on 2017-09-01*/public static String btoMinuteDate(Date date, int minutelen, String format){String dateminute = "";Calendar cal = new GregorianCalendar();cal.setTime(date);cal.add(cal.MINUTE, minutelen);Date newdate = cal.getTime();SimpleDateFormat sdf = new SimpleDateFormat(format);dateminute = sdf.format(newdate);return dateminute;}/*** 当前时间增加几天后的日期* @param date* @param len*/public static Date btoEDate(Date date, int len){if (len != 0) {if (len > 0) {for (int i = 0; i < len; i++) {date = dateAdd(date);}} else if (len < 0) {for (int i = 0; i > len; i--) {date = datePro(date);}}}return date;}/*** 当前日期 的后一天* @param date*/private static Date dateAdd(Date date){Calendar cal = GetCalendar(date);int year = cal.get(Calendar.YEAR);int month = cal.get(Calendar.MONTH) + 1;int day = cal.get(Calendar.DATE);day++;if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12)if (day == 32) {day = 1;month++;}if (month == 4 || month == 6 || month == 9 || month == 11)if (day == 31) {day = 1;month++;}if (month == 2)if (CheckRun(year)) {if (day == 30) {day = 1;month++;}} else {if (day == 29) {day = 1;month++;}}if (month == 13) {month = 1;year++;}cal.set(year,month - 1,day);return cal.getTime();}/*** 当前日期的前一天* @param date*/private static Date datePro(Date date) {Calendar cal = GetCalendar(date);int year = cal.get(Calendar.YEAR);int month = cal.get(Calendar.MONTH) + 1;int day = cal.get(Calendar.DATE);day--;if (day == 0) {month--;if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10)day = 31;else if (month == 4 || month == 6 || month == 9 || month == 11)day = 30;else if (month == 2)if (CheckRun(year)) {day = 29;} else {day = 28;}else if (month == 0) {month = 12;day = 31;year--;}}cal.set(year,month - 1,day);return cal.getTime();}/*** date类型转换成Calendar类型* @param date*/private static Calendar GetCalendar(Date date) {Calendar cal = new GregorianCalendar();cal.setTime(date);return cal;}/*** 判断闰年* @param year*/private static boolean CheckRun(int year){if (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)) {return true;} else {return false;}}///
/*** 判断是否是闰年* @param The_Year*/public static boolean RunNian(int The_Year){if ((The_Year%400==0) || ((The_Year%4==0) && (The_Year%100!=0)))return true;elsereturn false;}/*** 获取某年某月的天数* @param the_Year* @param the_Month*/public static int getMonthDay(int the_Year,int the_Month){int month_Day = 0;String showMonth = "";switch (the_Month){case 1 : showMonth = "一月"; month_Day = 31; break;case 2 :showMonth = "二月";if (RunNian(the_Year))month_Day = 29;elsemonth_Day = 28;break;case 3 : showMonth = "三月"; month_Day = 31; break;case 4 : showMonth = "四月"; month_Day = 30; break;case 5 : showMonth = "五月"; month_Day = 31; break;case 6 : showMonth = "六月"; month_Day = 30; break;case 7 : showMonth = "七月"; month_Day = 31; break;case 8 : showMonth = "八月"; month_Day = 31; break;case 9 : showMonth = "九月"; month_Day = 30; break;case 10 : showMonth = "十月"; month_Day = 31; break;case 11 : showMonth = "十一月"; month_Day = 30; break;case 12 : showMonth = "十二月"; month_Day = 31; break;}return month_Day;}/*** 通过字符串HH:mm:ss得到毫秒值** @param s String 格式为HH:mm:ss的字符串* @return long 转换后的毫秒值*/public static long getTimebyString(String s) {int i = s.indexOf(":");int j = s.lastIndexOf(":");long time = 0;if ((i != -1) && (j != -1)) {int hh = Integer.parseInt(s.substring(0, i));int mm = Integer.parseInt(s.substring(i + 1, j));int ss = Integer.parseInt(s.substring(j + 1, s.length()));time = hh * 60 * 60 * 1000 + mm * 60 * 1000 + ss * 1000;}return time;}/*** 通过字符串HH:mm得到毫秒值* @param s* String 格式为HH:mm的字符串* @return long 转换后的毫秒值*/public static long getTimesbyString(String s) {int i = s.indexOf(":");long time = 0;if ((i != -1)) {int hh = Integer.parseInt(s.substring(0, i));int mm = Integer.parseInt(s.substring(i + 1, s.length()));time = hh * 60 * 60 * 1000 + mm * 60 * 1000;}return time;}/*** String 格式为HH:mm的字符串* 单位毫秒* 根据2个时间计算时间差*/public static long getTimeDifference(String begintime,String endtime){long begintimelong =getTimesbyString(begintime);long endtimelong =getTimesbyString(endtime);if(begintimelong >= endtimelong){return 0;}else{return endtimelong-begintimelong ;}}/*** 格式化日期** @param date* Date 日期* @param string* String 格式字符串* @return String 格式化后日期*/public static String FormatDate(Date date, String string) {SimpleDateFormat dateformat = new SimpleDateFormat(string);return dateformat.format(date);}/*** 取得当前时间格式yyyy-MM-dd HH:mm:ss* @return String*/public static String getCurrTime() {java.util.Date date_time = new Date();return FormatDate(date_time, "yyyy-MM-dd HH:mm:ss");}/*** 取得当前时间格式yyyy-MM-dd HH:mm:ss:millis* @return String*/public static String getCurrMillisTime() {long l = System.currentTimeMillis();String d = DateUtils.getCurrTime();return d+":"+(l-DateUtils.getTimeInMillis(d, "yyyy-MM-dd HH:mm:ss"));}/*** 取得当前时间格式yyyy-MM-dd HH:mm* @return String*/public static String getCurrShortTime() {Date date = new Date();return FormatDate(date, "yyyy-MM-dd HH:mm");}/*** 取得当前时间格式yyyy-MM-dd* @return String*/public static String getCurrDate() {CurrTime = new java.util.Date();return FormatDate(CurrTime, "yyyy-MM-dd");}/*** 取得当前年份* @return String*/public static String getCurrYear() {CurrTime = new java.util.Date();return FormatDate(CurrTime, "yyyy");}/*** 取得当前月份* @return String*/public static String getCurrMonth() {CurrTime = new java.util.Date();return FormatDate(CurrTime, "MM");}/*** 取得当前日* @return String*/public static String getCurrDay() {CurrTime = new java.util.Date();return FormatDate(CurrTime, "dd");}/*** 取得当前小时* @return String*/public static String getCurrHours() {CurrTime = new java.util.Date();return FormatDate(CurrTime, "HH");}/*** 取得当前分钟* @return String*/public static String getCurrMinutes() {CurrTime = new java.util.Date();return FormatDate(CurrTime, "mm");}/*** 取得当前秒* @return String*/public static String getCurrSeconds() {CurrTime = new java.util.Date();return FormatDate(CurrTime, "ss");}/*** 转换日期格式yyyy-MM-dd* @param date Date 日期* @return String*/public static String dayToString(Date date) {return FormatDate(date, "yyyy-MM-dd");}/*** 转换日期格式yyyy-MM-dd HH:mm:ss** @param date Date 日期* @return String*/public static String dateToString(Date date) {return FormatDate(date, "yyyy-MM-dd HH:mm:ss");}/*** 转换日期格式yyyy-MM-dd HH:mm:ss** @param date* Date 日期* @return String*/public static String dateToString(java.sql.Date date) {return FormatDate(date, "yyyy-MM-dd HH:mm:ss");}/*** 转换日期格式yyyy-MM-dd HH** @param date* Date 日期* @return String*/public static String dateToString1(java.sql.Date date) {return FormatDate(date, "yyyy-MM-dd");}/*** 转换日期格式yyyy-MM-dd HH:mm** @param date* Date 日期* @return String*/public static String dateToShortString(Date date) {return FormatDate(date, "yyyy-MM-dd HH:mm");}/*** 说明：由时间格式的字符串获得年数** @param dateString* 时间格式字符串* @return*/public static int getYearByString(String dateString) {int year = 0;int i = dateString.indexOf("-");int j = dateString.lastIndexOf("-");if (i != -1 && j != -1) {year = Integer.parseInt(dateString.substring(0, i));}return year;}/*** 说明：由时间格式的字符串获得月份数* @param dateString* 时间格式字符串* @return*/public static int getMonthByString(String dateString) {int month = 1;int i = dateString.indexOf("-");int j = dateString.lastIndexOf("-");if (i != -1 && j != -1) {month = Integer.parseInt(dateString.substring(i + 1, j));}return month;}/*** 获取指定日期的天* @param dateString* @return*/public static int getDateByString(String dateString) {int date = 1;int i = dateString.indexOf("-");int j = dateString.lastIndexOf("-");//System.out.println("i--------------)"+i);if (i != -1 && j != -1) {date = Integer.parseInt(dateString.substring(j+1, j+3));//System.out.println("date--------------)"+date);}return date;}/*** 说明: 字符串转换为日期 (默认格式 yyyy-MM-dd)** @param dateString* 日期格式字符串* @return 转换后的日期*/public static Date stringToDate(String dateString) {String sf = "yyyy-MM-dd";Date dt = stringToDate(dateString, sf);return dt;}/*** 说明：字符串转换为时间（默认格式 yyyy-MM-dd HH:mm:ss)** @param dateString* 日期格式字符串* @return 转换后的日期*/public static Date StringToTime(String dateString) {String sf = "yyyy-MM-dd HH:mm:ss";Date dt = stringToDate(dateString, sf);return dt;}/*** 说明：时间字符串格式转换（默认格式 yyyyMMddHHmmss)，主要为接口部分所用** @param dateString* 日期格式字符串 （默认格式 yyyyMMddHHmmss)* @return 转换后的日期格式字符串（yyyy-MM-dd HH:mm:ss） add by zhangjie*/public static String timeStringChange(String dateString) {String sf = "yyyyMMddHHmmss";Date dt = stringToDate(dateString, sf);String sc = dateToString(dt);return sc;}/*** 日期转换* @param dateString* @param sfin* @param sfout* @return*/public static String timeStringChange(String dateString,String sfin,String sfout) {Date dt = stringToDate(dateString, sfin);String sc = FormatDate(dt, sfout);return sc;}/*** 获得当前日期的年月，形成格式为YYMM的字符串** @return String 年月字符串，格式YYMM*/public static String getPublicDate() {Calendar c = Calendar.getInstance();int month = c.get(Calendar.MONTH) + 1;String pd = ("" + c.get(Calendar.YEAR)).substring(2, 4)+ (month > 9 ? "" + month : "0" + month);return pd;}/*** 根据参数计算并给出当前日期返回制定月所在的年** @param getback* int 返回制定月所在的年* @return int*/public static int backyear(int getback) {int back_year = 0;CurrTime = new java.util.Date();int nowyear = Integer.parseInt(FormatDate(CurrTime, "yyyy"));int nowmonth = Integer.parseInt(FormatDate(CurrTime, "MM"));if (nowmonth > getback) {back_year = nowyear;} else {back_year = nowyear - 1;}return back_year;}/*** 根据参数计算并给出当前日期返回制定月所在的年** @param getback* int 返回制定月所在的年* @return int*/public static int backmonth(int getback) {int back_month = 0;CurrTime = new java.util.Date();int nowyear = Integer.parseInt(FormatDate(CurrTime, "yyyy"));int nowmonth = Integer.parseInt(FormatDate(CurrTime, "MM"));if (nowmonth > getback) {back_month = nowmonth - getback;} else {back_month = nowmonth - getback + 12;}return back_month;}/*** 根据参数计算并给出所需的年** @param date* Date 日期* @param getback* int 返回制定月所在的年* @return String*/public static String dateToyear(Date date, int getback) {String dateyear = FormatDate(date, "yyyy");String datemonth = FormatDate(date, "MM");String newyear = "";int oldyear = Integer.parseInt(dateyear);int oldmonth = Integer.parseInt(datemonth);if (oldmonth > getback) {newyear = String.valueOf(oldyear);} else {newyear = String.valueOf(oldyear - 1);}return newyear;}/*** 根据参数计算并给出所需的月** @param date* Date 日期* @param getback* int 返回制定月所在的年* @return String*/public static String dateTomonth(Date date, int getback) {String dateyear = FormatDate(date, "yyyy");String datemonth = FormatDate(date, "MM");String newmonth = "";int oldmonth = Integer.parseInt(datemonth);if (oldmonth > getback) {newmonth = String.valueOf(oldmonth - getback);} else {newmonth = String.valueOf(oldmonth + 12 - getback);}return newmonth;}/*** 根据给定的两个时间计算时间差** @param date_1* Date 日期* @param date_2* Date 日期* @return int*/public static int subtime(Date date_1, Date date_2) {String dateyear_1 = FormatDate(date_1, "yyyy");String datemonth_1 = FormatDate(date_1, "MM");String dateyear_2 = FormatDate(date_2, "yyyy");String datemonth_2 = FormatDate(date_2, "MM");int year_1 = Integer.parseInt(dateyear_1);int year_2 = Integer.parseInt(dateyear_2);int month_1 = Integer.parseInt(datemonth_1);int month_2 = Integer.parseInt(datemonth_2);int subtime = (year_2 - year_1) * 12 + (month_2 - month_1) + 1;return subtime;}/*** 根据给定的两个时间字符串计算时间差** @param dateString1* String 时间* @param dateString2* String 时间* @return long 时间差以秒为单位(dateString2-dateString1)*/public static long subsecond(String dateString1, String dateString2) {Date date_1 = StringToTime(dateString1);Date date_2 = StringToTime(dateString2);long subsecond = (date_2.getTime() - date_1.getTime()) / 1000;return subsecond;}/*** 将一个表示秒数的字符串转换为n小时n分钟n秒的字符串** @param dateString* String 日期字符串* @return String*/public static String changeFormat(String dateString) {int date = Integer.parseInt(dateString);int hh = 0;int mm = 0;int ss = 0;hh = date / 3600;mm = date % 3600 / 60;ss = date % 3600 % 60;String changedtime = hh + "小时";if (mm != 0) {changedtime += (hh + "分钟");}if (ss != 0) {if (mm == 0) {changedtime += "0分钟";}changedtime += (ss + "秒");}return changedtime;}/*** 将一个表示秒数的字符串转换为天数** @param timelength* long 秒数* @return long*/public static long changeSecondToDay(long timelength) {long day = 0;if (timelength % (24 * 3600) == 0) {day = timelength / 24 / 3600;} else {day = timelength / 24 / 3600 + 1;}return day;}/*** 将一个表示秒数的字符串转换为分钟** @param timelengthString* String 秒数的字符串* @return String*/public static String changeSecondToMinute(String timelengthString) {long minute = 0;String minuteString = "";long timelength = Long.parseLong(timelengthString);if (timelength % 60 == 0) {minute = timelength / 60;} else {minute = timelength / 60 + 1;}minuteString = Long.toString(minute) + "分";return minuteString;}/*** 改变日到分* @param dayString* String 日字符串* @return String*/public static String changeDayToMinute(String dayString) {long minute = 0;long day = Long.parseLong(dayString);String minuteString = "";minute = day * 24 * 60;minuteString = Long.toString(minute) + "分";return minuteString;}/*** 改变分到小时** @param minuteString* String 分字符串* @return String*/public static String changeMinuteToHour(String minuteString) {long minute = Long.parseLong(minuteString);long hour = 0;String hourString = "";if (minute % 60 == 0) {hour = minute / 60;hourString = Long.toString(hour) + "小时";} else {hour = minute;hourString = Long.toString(hour) + "分钟";}return hourString;}/*** 字符串转换为日期** @param dateString* String 日期格式字符串* @param sf* String 日期格式化定义* @return Date 转换后的日期*/public static Date stringToDate(String dateString, String sf) {ParsePosition pos = new ParsePosition(0);SimpleDateFormat sdf = new SimpleDateFormat(sf);Date dt = sdf.parse(dateString, pos);return dt;}/*** 取得月份字符串** @return String*/public static String getMonthStr() {java.util.Date date = new java.util.Date();return (date.getYear() + 1900) + "" + ("" + date.getMonth());}/*** 将从oracle中取出的Date类型字符串（YYYY－MM－DD HH24：MI：SS.ms）转化为YYYY-MM-DD HH24:MI:SS** @param date* String 日期* @return String*/public static String changeOracleDate(String date) {if (date!=null&&date.indexOf(".") != -1) {return date.substring(0, date.indexOf("."));} else {return date;}}public static String getCurrTimes() {java.util.Date date_time = new Date();return FormatDate(date_time, "HH:mm:ss");}/*** 根据传近来的时间和时间格式得到对应的星期** @param TempDate* 时间* @param format* "yyyy-MM-dd"* @return int 1~7代表星期日到星期六* @deprecated Use {@link #getWeekDay(String,String)} instead*/public static int GetWeekDay(String TempDate, String format) {return getWeekDay(TempDate, format)+1;
}/*** 根据传近来的时间和时间格式得到对应的星期** @param TempDate* 时间* @param format* "yyyy-MM-dd"* @return int 0~6代表星期日到星期六*/public static int getWeekDay(String TempDate, String format) {int temp = 0;SimpleDateFormat sdf = new SimpleDateFormat(format);Calendar c = Calendar.getInstance();try {c.setTime(sdf.parse(TempDate));temp = c.get(Calendar.DAY_OF_WEEK);} catch (Exception e) {e.printStackTrace();}return temp-1;}/*** 根据 传入的时间、时间格式 和 天数，返回指定的日期*time 当前时间*format 时间格式 yyyy-MM-dd HH:mm:ss*date 天数，如果是后3天则 -3，前3天则 是 3*/public static String getTimeToAddDate(String time,String format,int date){Calendar calendar = Calendar.getInstance();calendar.setTimeZone(TimeZone.getDefault());calendar.clear();calendar.setTime(stringToDate(time,format));// 开始时间calendar.add(Calendar.DAY_OF_MONTH,date);return FormatDate(calendar.getTime(),format);}/*** 获取某个日期在本年度所在第几周* @param dateString* @return*/public static int getWeeknumOfYear(String dateString) {int weeknum = 1;String year = dateString.substring(0, 4);String newYearsDay = year + "-01-01";Date date_1 = DateUtils.stringToDate(newYearsDay);Date date_2 = DateUtils.stringToDate(dateString);long subsecond = (date_2.getTime() - date_1.getTime()) / 1000;int days = (int)(subsecond/(3600*24));int newYearsWeek = DateUtils.getDayOfWeek(Integer.parseInt(year), 1, 1)-1;weeknum = (newYearsWeek + days)/7 + 1;return weeknum;}/*** 将阿拉伯数字转换成中文星期几* @param i* @return*/public static String getChineseNum(int i) {switch (i) {case 0:return "日";case 1:return "一";case 2:return "二";case 3:return "三";case 4:return "四";case 5:return "五";case 6:return "六";default:return null;}}/*** 根据 传入的时间、时间格式 和 天数，返回指定时间段后多少毫秒会自动追加*time 当前时间*format 时间格式 yyyy-MM-dd HH:mm:ss*timeInMillis 毫秒，表示当前时间段后多少毫秒会自动追加*/public static String getTimeInMillisToAdd(String time,String format,long timeInMillis){Calendar calendar = Calendar.getInstance();calendar.setTimeZone(TimeZone.getDefault());calendar.clear();calendar.setTime(stringToDate(time,format));// 开始时间calendar.setTimeInMillis(calendar.getTimeInMillis()+timeInMillis);return dateToString(calendar.getTime());}/*** 根据 传入的时间、时间格式 ，返回毫秒*time 指定时间*format 时间格式 yyyy-MM-dd HH:mm:ss*/public static long getTimeInMillis(String time,String format){Calendar calendar = Calendar.getInstance();calendar.setTimeZone(TimeZone.getDefault());calendar.clear();calendar.setTime(stringToDate(time, format));// 开始时间return calendar.getTimeInMillis();}/*** 根据 传入的时间、时间格式 ，返回微秒*time 指定时间*format 时间格式 yyyy-MM-dd HH:mm:ss*/public static long getTimeInUs(String time,String format){Calendar calendar = Calendar.getInstance();calendar.setTimeZone(TimeZone.getDefault());calendar.clear();calendar.setTime(stringToDate(time, format));// 开始时间return calendar.getTimeInMillis()*1000;}/*** 传一个时间段得到这个时间段中有多少个周末** @param beginDay* int 2007-01-01* @param endDay* int 2007-01-31* @return int 1－31的一天*/public static int getWeekDays(String beginDay, String endDay) {int k = 0;Calendar calBegin = Calendar.getInstance();calBegin.setTimeZone(TimeZone.getDefault());calBegin.clear();calBegin.setTime(stringToDate(beginDay));// 开始时间Calendar calEnd = Calendar.getInstance();calEnd.setTimeZone(TimeZone.getDefault());calEnd.clear();calEnd.setTime(stringToDate(endDay));// 结束时间while (calBegin.before(calEnd)) {// 星期天 是 1 ，星期6 为 7if (calBegin.get(calBegin.DAY_OF_WEEK) == 1|| calBegin.get(calBegin.DAY_OF_WEEK) == 7) {++k; // 有就给K加1}calBegin.roll(calBegin.DATE, true); // 当前日期向前动1天递增// System.out.println(calBegin.getTime());if (calBegin.after(calEnd)) { // 开始时间大于结束时间 就结束循环break;}}if (getWeekDay(endDay, "yyyy-MM-dd") == 1|| getWeekDay(endDay, "yyyy-MM-dd") == 7) {k += 1;}return k;}/*** 计算星期几的函数** @param year* int* @param month* int* @param date* int* @return int 1~7代表星期日到星期六*/public static int getDayOfWeek(int year, int month, int date) {Calendar cal = Calendar.getInstance();cal.setTimeZone(TimeZone.getDefault());cal.clear();cal.set(year, month - 1, date);return cal.get(cal.DAY_OF_WEEK);}/*** 计算星期几的函数** @param year* int* @param month* int* @param date* int* @return int 1~7代表星期日到星期六*/public static String getDayOfWeekname(int year, int month, int date) {int num = 0;String week = null;Calendar cal = Calendar.getInstance();cal.setTimeZone(TimeZone.getDefault());cal.clear();cal.set(year, month - 1, date);num = cal.get(cal.DAY_OF_WEEK);if(num == 1){week= "星期日";}else if(num == 2){week= "星期一";}else if(num == 3){week= "星期二";}else if(num == 4){week= "星期三";}else if(num == 5){week= "星期四";}else if(num == 6){week= "星期五";}else if(num == 7){week= "星期六";}return week;}/*** 根据传进来的参数得到当前月最后一天*/public static int getLastDayOfMonth(String time, String format) {Calendar cDay1 = Calendar.getInstance();cDay1.setTime(stringToDate(time, format));int lastDay = cDay1.getActualMaximum(Calendar.DAY_OF_MONTH);return lastDay;}/*** 获取两个年月之间的月差(maxdate-mindate)* @author caibh* @param mindate 格式：2008-08* @param maxdate 格式：2008-08* @return 月数*/public static int getMonthsBetween(String mindate, String maxdate) {if (isBlank(mindate) || isBlank(maxdate)) {return 0;}String minyear = mindate.substring(0,4);String minmonth = mindate.substring(5);String maxyear = maxdate.substring(0, 4);String maxmonth = maxdate.substring(5);return (Integer.parseInt(maxyear)-Integer.parseInt(minyear))*12+(Integer.parseInt(maxmonth)-Integer.parseInt(minmonth));}/*** 判断字符串是否为空或null* @param str* @return*/public static boolean isBlank(String str){if (str == null || "".equals(str)) return true;else return false;}/*** 格式化公文日期* @param str 源字符串中的字符2008-11-10* @return*/public static String formatOfficialDate(String str,String flag){StringBuffer sb = new StringBuffer();int pos1 = str.indexOf("-");int pos2 = str.lastIndexOf("-");if("upper".equalsIgnoreCase(flag)){for(int i = 0; i < 4; i++){sb.append(upperDigit(str.charAt(i)));}sb.append('年');if(getMidLen(str,pos1,pos2) == 1){sb.append(upperDigit(str.charAt(5))+"月");if(str.charAt(7) != '0'){if(getLastLen(str, pos2) == 1){sb.append(upperDigit(str.charAt(7))+"日");}if(getLastLen(str, pos2) == 2){if(str.charAt(7) != '1' && str.charAt(8) != '0'){sb.append(upperDigit(str.charAt(7))+"十"+upperDigit(str.charAt(8))+"日");}else if(str.charAt(7) != '1' && str.charAt(8) == '0'){sb.append(upperDigit(str.charAt(7))+"十日");}else if(str.charAt(7) == '1' && str.charAt(8) != '0'){sb.append("十"+upperDigit(str.charAt(8))+"日");}else{sb.append("十日");}}}else{sb.append(upperDigit(str.charAt(8))+"日");}}if(getMidLen(str,pos1,pos2) == 2){if(str.charAt(5) != '0' && str.charAt(6) != '0'){sb.append("十"+upperDigit(str.charAt(6))+"月");if(getLastLen(str, pos2) == 1){sb.append(upperDigit(str.charAt(8))+"日");}if(getLastLen(str, pos2) == 2){if(str.charAt(8) != '0'){if(str.charAt(8) != '1' && str.charAt(9) != '0'){sb.append(upperDigit(str.charAt(8))+"十"+upperDigit(str.charAt(9))+"日");}else if(str.charAt(8) != '1' && str.charAt(9) == '0'){sb.append(upperDigit(str.charAt(8))+"十日");}else if(str.charAt(8) == '1' && str.charAt(9) != '0'){sb.append("十"+upperDigit(str.charAt(9))+"日");}else{sb.append("十日");}}else{sb.append(upperDigit(str.charAt(9))+"日");}}}else if(str.charAt(5) != '0' && str.charAt(6) == '0'){sb.append("十月");if(getLastLen(str, pos2) == 1){sb.append(upperDigit(str.charAt(8))+"日");}if(getLastLen(str, pos2) == 2){if(str.charAt(8) != '0'){if(str.charAt(8) != '1' && str.charAt(9) != '0'){sb.append(upperDigit(str.charAt(8))+"十"+upperDigit(str.charAt(9))+"日");}else if(str.charAt(8) != '1' && str.charAt(9) == '0'){sb.append(upperDigit(str.charAt(8))+"十日");}else if(str.charAt(8) == '1' && str.charAt(9) != '0'){sb.append("十"+upperDigit(str.charAt(9))+"日");}else{sb.append("十日");}}else{sb.append(upperDigit(str.charAt(9))+"日");}}}else{sb.append(upperDigit(str.charAt(6))+"月");if(getLastLen(str, pos2) == 1){sb.append(upperDigit(str.charAt(8))+"日");}if(getLastLen(str, pos2) == 2){if(str.charAt(8) != '0'){if(str.charAt(8) != '1' && str.charAt(9) != '0'){sb.append(upperDigit(str.charAt(8))+"十"+upperDigit(str.charAt(9))+"日");}else if(str.charAt(8) != '1' && str.charAt(9) == '0'){sb.append(upperDigit(str.charAt(8))+"十日");}else if(str.charAt(8) == '1' && str.charAt(9) != '0'){sb.append("十"+upperDigit(str.charAt(9))+"日");}else{sb.append("十日");}}else{sb.append(upperDigit(str.charAt(9))+"日");}}}}}else{String y=str.substring(0,pos1); String m=str.substring(pos1+1, pos2);String d=str.substring(pos2+1);sb.append(y+"年");sb.append(m+"月");sb.append(d+"日");//System.out.println("y==="+y+"m==="+m+"d===="+d);}return sb.toString();}/*** 将源字符串中的阿拉伯数字格式化为汉字* @param sign 源字符串中的字符* @return*/public static char upperDigit(char sign){if(sign == '0')sign = '○';if(sign == '1')sign = '一';if(sign == '2')sign = '二';if(sign == '3')sign = '三';if(sign == '4')sign = '四';if(sign == '5')sign = '五';if(sign == '6')sign = '六';if(sign == '7')sign = '七';if(sign == '8')sign = '八';if(sign == '9')sign = '九';return sign;}/*** 获得月份字符串的长度* @param str 待转换的源字符串* @param pos1 第一个'-'的位置* @param pos2 第二个'-'的位置* @return*/public static int getMidLen(String str,int pos1,int pos2){return str.substring(pos1+1, pos2).length();}/*** 获得日期字符串的长度* @param str 待转换的源字符串* @param pos2 第二个'-'的位置*/public static int getLastLen(String str,int pos2){return str.substring(pos2+1).length();}public static String converDate(String sourceTime,String sourceSDF,String tagerSDF){try {SimpleDateFormat souceSimperDateFormat=new SimpleDateFormat(sourceSDF);SimpleDateFormat tagerSimperDateFormat=new SimpleDateFormat(tagerSDF);Date date=souceSimperDateFormat.parse(sourceTime);return tagerSimperDateFormat.format(date);} catch (ParseException e) {}return "";}//当前时间的前后分钟public static Date btoMin(String time,int len) throws ParseException{SimpleDateFormat df=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date = new Date();Calendar c = Calendar.getInstance();c.setTime(df.parse(time));c.add(Calendar.MINUTE,len);date=c.getTime();return date;}public static List<String> getWeeks(String year){List<String> weeks = new ArrayList<String>();for(int i=1;i<53;i++){String week = "";if(i<10){week = "0" + i;}else{week = i + "";}String yw = year + "-" + week;weeks.add(yw);}return weeks;}public static List<String> getMonths(String year){List<String> years = new ArrayList<String>();for(int i=1;i<13;i++){String month = "";if(i<10){month = "0" + i;}else{month = i + "";}String ym = year + "-" + month;years.add(ym);}return years;}/*** 获取：该年当前时间月份:加n个月，或者减n个月集合，可排序。* 升序getCurrentMonths(asc)：xxxx-01 xxxx-02 xxxx-03* 降序getCurrentMonths(desc):xxxx-03 xxxx-02 xxxx-01* @param num ：加n个月，或者减n个月* @param sort ： asc 、desc* @return*/public static List<String> getCurrentMonths(int num,String sort){String currentyear=getCurrYear();//当前年份int currmonth=Integer.valueOf(getCurrMonth());//当前月份String prevyear=btoMonthDate(date, 0, num, "yyyy");int prevmonth=Integer.valueOf(btoMonthDate(date, 0, num, "MM"));//升序if(Objects.equals(sort, "asc")){List<String> years = new ArrayList<String>();for(int i=prevmonth;i<=12;i++){String month = "";if(i<10){month = "0" + i;}else{month = i + "";}String ym = prevyear + "-" + month;years.add(ym);}for(int i=1;i<=currmonth;i++){String month = "";if(i<10){month = "0" + i;}else{month = i + "";}String ym = currentyear + "-" + month;years.add(ym);}return years;//降序}else if(Objects.equals(sort, "desc")){List<String> years = new ArrayList<String>();for(int i=currmonth;i>=1;i--){String month = "";if(i<10){month = "0" + i;}else{month = i + "";}String ym = currentyear + "-" + month;years.add(ym);}for(int i=12;i>=prevmonth;i--){String month = "";if(i<10){month = "0" + i;}else{month = i + "";}String ym = prevyear + "-" + month;years.add(ym);}return years;}return null;}/*** 判断2021年法定节假日* @param day* @return*/public static boolean isWorkday(String day) {String[] workday = {"2021-02-07","2021-02-20",//2021春节调休2天（周日）（周六）"2021-04-25","2021-05-08",//2021劳动节调休2天（周日）（周六）"2021-09-18",//中秋节（周六）"2021-09-26","2021-10-09"//2020国庆调休2天（周日）（周六）};String[] holiday = {"2021-01-01","2021-01-02","2021-01-03",//元旦,调休1天"2021-02-11","2021-02-12","2021-02-13","2021-02-14","2021-02-15","2021-02-16","2021-02-17",//2021春节7天，调休2天"2021-04-03","2021-04-04","2021-04-05",//2021清明节3天"2021-05-01","2021-05-02","2021-05-03","2021-05-04","2021-05-05",//2021劳动节5天，调休2天"2021-06-12","2021-06-13","2021-06-14",//2021端午节3天，调休1天"2021-09-19","2021-09-20","2021-09-21",//中秋节"2021-10-01","2021-10-02","2021-10-03","2021-10-04","2021-10-05","2021-10-06","2021-10-07"//2021中秋国庆连休7天，调休2天};for (int i = 0; i < workday.length; i++) {if (workday[i].equals(day)) {return true;}}for (int i = 0; i < holiday.length; i++) {if (holiday[i].equals(day)) {return false;}}int DayWeek = DateUtils.getWeekDay(day, "yyyy-MM-dd");if (DayWeek == 0 || DayWeek == 6) {return false;}return true;}//获取短时间去掉20public static String getShortCurrTime() {return Tool.getTime("yyyyMMddHHmmss").substring(2);}//yyyymmdd转成yyyy-mm-ddpublic static String formatDate(String str){SimpleDateFormat sf1 = new SimpleDateFormat("yyyyMMdd");SimpleDateFormat sf2 =new SimpleDateFormat("yyyy-MM-dd");String sfstr = "";try {sfstr = sf2.format(sf1.parse(str));} catch (ParseException e) {// TODO Auto-generated catch blocke.printStackTrace();}return sfstr;}/***字符串转换成固定时间格式*eg:yyyyMMddHHmmss 转化成 yyyy-MM-dd HH:mm:ss 或者HH:mm:ss 等等*str： 要转化的字符串 currentformat： 字符串当前格式 format：要转化的格式* @param str* @param currentformat* @param format* @return* create by haolp on 2016-11-01*/public static String formatDate(String str,String currentformat,String format){String strs="";try {if(StringUtil.isEmpty(str)){return strs; }SimpleDateFormat df =new SimpleDateFormat(currentformat);SimpleDateFormat sf =new SimpleDateFormat(format);Date date = df.parse(str); strs=sf.format(date);} catch (Exception e) {// TODO: handle exceptionstrs="";}return strs;}/*** 完整一周：周日到周六*字符串转换成固定时间格式:根据当前时间计算上一周的起始日期*eg:yyyyMMddHHmmss 转化成 yyyy-MM-dd HH:mm:ss 或者HH:mm:ss 等等*str： 要转化的字符串 currentformat： 字符串当前格式 format：要转化的格式* @param str* @param currentformat* @param format* @return ：JSONObject （key1=lastWeekIndex ; key2=lastWeekEnd）* create by haolp on 2017-10-03*/public static JSONObject LastWeekBeginDate(String str,String currentformat,String format){JSONObject object = new JSONObject();object.put("lastWeekIndex","");object.put("lastWeekEnd","");try {if(StringUtil.isEmpty(str)){return object; }SimpleDateFormat df =new SimpleDateFormat(currentformat);Date date = df.parse(str); //判断当前是星期几Calendar cal = Calendar.getInstance();cal.setTime(date);int week_index = cal.get(Calendar.DAY_OF_WEEK) - 1;String lastWeekIndex=DateUtils.btoMonthDate(date, -(week_index+7),0, format);//上周开始String lastWeekEnd=DateUtils.btoMonthDate(date, -(week_index+1),0, format);//上周结束object.put("lastWeekIndex",lastWeekIndex);object.put("lastWeekEnd",lastWeekEnd);} catch (Exception e) {// TODO: handle exception}return object;}/*** 完整一周：周一到周日*字符串转换成固定时间格式:根据当前时间计算上一周的起始日期*str： 要转化的字符串 format：日期格式* @param str* @param format* @return ：JSONObject （key1=lastWeekIndex ; key2=lastWeekEnd）*/public static JSONObject LastWeekDate(String str,String format){JSONObject object = new JSONObject();object.put("lastWeekIndex","");object.put("lastWeekEnd","");try {if(StringUtil.isEmpty(str)){return object; }SimpleDateFormat df = new SimpleDateFormat(format);Date date = df.parse(str);//判断当前是星期几Calendar cal = Calendar.getInstance();cal.setTime(date);int week_index = cal.get(Calendar.DAY_OF_WEEK)-1;String lastWeekIndex=DateUtils.btoMonthDate(date, -(week_index+6),0, format);//上周开始String lastWeekEnd=DateUtils.btoMonthDate(date, -week_index,0, format);//上周结束object.put("lastWeekIndex",lastWeekIndex);object.put("lastWeekEnd",lastWeekEnd);} catch (Exception e) {// TODO: handle exception}return object;}/*** 日期字符串转sql date* * @param str* yyyy-mm-dd* @return*/public static java.sql.Date getSqlDate(String str) {java.sql.Date date = java.sql.Date.valueOf(str);return date;}/*** 日期字符串转sql Timestamp* * @param str* yyyy-mm-dd hh:mm:ss* @return*/public static java.sql.Timestamp getSqlTimestamp(String str) {java.sql.Timestamp timestamp = java.sql.Timestamp.valueOf(str);return timestamp;}/*** sql date转日期字符串* * @param date* @return yyyy-MM-dd*/public static String getSqlDateStr(java.sql.Date date) {String dateStr = date.toString();return dateStr;}/*** sql Timestamp转时间字符串* * @param timestamp* @return yyyy-MM-dd HH:mm:ss*/public static String getSqlTimestampStr(java.sql.Timestamp timestamp) {SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String timestampStr = df.format(timestamp);return timestampStr;}/** * 判断参数的格式是否为“yyyyMMdd”格式的合法日期字符串 * * @author lzx on 2017-09-08 */ public static boolean isValidDate(String str) { try { if (str != null && !str.equals("")) { if (str.length() == 8) { // 闰年标志 boolean isLeapYear = false; String year = str.substring(0, 4); String month = str.substring(4, 6); String day = str.substring(6, 8); int vYear = Integer.parseInt(year); // 判断年份是否合法 if (vYear < 1900 || vYear > 2200) { return false; } // 判断是否为闰年 if (vYear % 4 == 0 && vYear % 100 != 0 || vYear % 400 == 0) { isLeapYear = true; } // 判断月份 // 1.判断月份 if (month.startsWith("0")) { String units4Month = month.substring(1, 2); int vUnits4Month = Integer.parseInt(units4Month); if (vUnits4Month == 0) { return false; } if (vUnits4Month == 2) { // 获取2月的天数 int vDays4February = Integer.parseInt(day); if (isLeapYear) { if (vDays4February > 29) return false; } else { if (vDays4February > 28) return false; } } } else { // 2.判断非0打头的月份是否合法 int vMonth = Integer.parseInt(month); if (vMonth != 10 && vMonth != 11 && vMonth != 12) { return false; } } // 判断日期 // 1.判断日期 if (day.startsWith("0")) { String units4Day = day.substring(1, 2); int vUnits4Day = Integer.parseInt(units4Day); if (vUnits4Day == 0) { return false; } } else { // 2.判断非0打头的日期是否合法 int vDay = Integer.parseInt(day); if (vDay < 10 || vDay > 31) { return false; } } return true; } else { return false; } } else { return false; } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); return false; } }/*** 给定的时间end_day，给定的结算周期T，返回未结算的开始日期* @param T 时间周期* @param end_day 截止日期 格式yyyy-MM-dd * @return* @author luomy on 2018-04-26*/public static String periodBeginDay(int T, String end_day){String begin_day = end_day;try {//t=T时结束循环for (int t = 1; t <= T; t++) {Date begin_date = DateUtils.stringToDate(begin_day);//结束时间向前每次推一天，当是工作日时退出循环int i = 1;while(i <= 20){begin_day = DateUtils.dayToString(DateUtils.btoEDate(begin_date, -i));if(DateUtils.isWorkday(begin_day)){break;}i++;}}} catch (Exception e) {e.printStackTrace();}return begin_day;}/*** 获取beginDate开始的日期到endDate连续的月份* * @param beginDate* @param endDate* @author lzx on 2018-05-21*/public static List<String> getMonthList(String beginDate, String endDate) {List<String> listDate = new ArrayList<String>();Date sDate = getDateBy(beginDate);Date eDate = getDateBy(endDate);// 将时间格式化为YYYY-MM-DDDateFormat dateformat = new SimpleDateFormat("yyyyMM");while (!sDate.after(eDate)) {listDate.add(dateformat.format(sDate));sDate = getDateBy(btoMonthDate(sDate, 0, 1, "yyyy-MM-dd HH:mm:ss").substring(0, 7) + "-01 00:00:00");}return listDate;}// /**
// * 判断是否为基准时间近三天
// * @param end 基准时间
// * @param dateString 待判断时间，yyyy-MM-dd
// * @return
// */
// public static boolean isNearly3Ds(Date end, String dateString){
// Date begin = btoEDate(end, -3);
// List<String> list = new ArrayList<String>();
// DateFormat dateformat = new SimpleDateFormat("yyyy-MM-dd");
// while (!begin.after(end)) {
// list.add(dateformat.format(begin));
// begin = btoEDate(begin, 1);
// }
// if (list.contains(dateString)) {
// return true;
// } else {
// return false;
// }
// }/*** 判断是否为基准时间近1天* @param end 基准时间* @param dateString 待判断时间，yyyy-MM-dd* @return*/public static boolean isNearlyDays(Date end, String dateString){Date begin = btoEDate(end, -1);List<String> list = new ArrayList<String>();DateFormat dateformat = new SimpleDateFormat("yyyy-MM-dd");while (!begin.after(end)) {list.add(dateformat.format(begin));begin = btoEDate(begin, 1);}if (list.contains(dateString)) {return true;} else {return false;}}/*** 获取beginDate开始的日期到endDate连续的日期天数* @param beginDate* @param endDate* @return*/public static int getDayDiff(String beginDate,String endDate) {Date sDate = getDateBy(beginDate);Date eDate = getDateBy(endDate);int day = 0;// 将时间格式化为YYYY-MM-DD
// DateFormat dateformat = new SimpleDateFormat("yyyy-MM-dd");while (!sDate.after(eDate)) {
// listDate.add(dateformat.format(sDate));day ++;sDate = btoEDate(sDate, 1);}return day;}/*** 解析rfc3339标准格式 yyyy-MM-dd'T'HH:mm:ssXXX TO yyyy-MM-dd HH:mm:ss* @param time 时间字符串* @return*/public static String parseFRC3339(String timeStr) {try {SimpleDateFormat dff = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX", Locale.SIMPLIFIED_CHINESE);// 输入的被转化的时间格式SimpleDateFormat df1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 需要转化成的时间格式Date date1 = dff.parse(timeStr);return df1.format(date1);} catch (ParseException e) {e.printStackTrace();}return timeStr;}/*** 获取rfc3339标准格式，格式为YYYY-MM-DDTHH:mm:ss+TIMEZONE，YYYY-MM-DD表示年月日，T出现在字符串中，表示time元素的开头，HH:mm:ss:sss表示时分秒毫秒，TIMEZONE表示时区* @param time 时间字符串* @return*/public static String getFRC3339(String timeStr) {return formatDate(timeStr, "yyyy-MM-dd HH:mm:ss","yyyy-MM-dd'T'HH:mm:ssXXX");}/*** 将时间yyyy-MM-dd HH:mm:ss 转换为时间戳* @param s yyyy-MM-dd HH:mm:ss* @return* @throws ParseException*/public static String dateToStamp(String s) {String res = "";try {SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Date date = simpleDateFormat.parse(s);long ts = date.getTime();res = String.valueOf(ts);} catch (ParseException e) {}return res;}public static DateTime getDateTime(String time, String format){DateTimeFormatter formatter = DateTimeFormat.forPattern(format);return DateTime.parse(DateUtils.getCurrTime(),formatter);}private static SimpleDateFormat sdf = new SimpleDateFormat("yyyyMM");public static Date getMinDateMonth(String month){try {Date nowDate = sdf.parse(month);Calendar calendar = Calendar.getInstance();calendar.setTime(nowDate);calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMinimum(Calendar.DAY_OF_MONTH));return calendar.getTime();} catch (ParseException e) {e.printStackTrace();}return null;}public static Date getMaxDateMonth(String month){try {Date nowDate = sdf.parse(month);Calendar calendar = Calendar.getInstance();calendar.setTime(nowDate);calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));calendar.set(Calendar.HOUR_OF_DAY, calendar.getActualMaximum(Calendar.HOUR_OF_DAY));calendar.set(Calendar.MINUTE, calendar.getActualMaximum(Calendar.MINUTE));calendar.set(Calendar.SECOND, calendar.getActualMaximum(Calendar.SECOND));return calendar.getTime();} catch (ParseException e) {e.printStackTrace();}return null;}public static Date getNextMonth(String month) {try {Date nowDate = sdf.parse(month);Calendar calendar = Calendar.getInstance();calendar.setTime(nowDate);calendar.add(Calendar.MONTH, 1);//增加一个月return calendar.getTime();} catch (ParseException e) {e.printStackTrace();}return null;}public static List<String[]> getDateSplitMonth(String start, String end){List<String[]> list = new ArrayList<>();String[] splitStartDate = start.split("-");String[] splitEndDate = end.split("-");int year = Integer.valueOf(splitEndDate[0])-Integer.valueOf(splitStartDate[0]);int diffMonth = year*12+Integer.valueOf(splitEndDate[1])-Integer.valueOf(splitStartDate[1]);if(diffMonth==0){String[] between = new String[]{splitStartDate[0]+splitStartDate[1],start,end};list.add(between);}if(diffMonth==1){String maxDate = dateToString(getMaxDateMonth(splitStartDate[0]+splitStartDate[1]));String minDate = dateToString(getMinDateMonth(splitEndDate[0]+splitEndDate[1]));String[] between1 = new String[]{splitStartDate[0]+splitStartDate[1],start,maxDate};String[] between2 = new String[]{splitEndDate[0]+splitEndDate[1],minDate,end};list.add(between1);list.add(between2);}if(diffMonth==2){String endDate1 = dateToString(getMaxDateMonth(splitStartDate[0]+splitStartDate[1]));String month2 = sdf.format(getNextMonth(splitStartDate[0]+splitStartDate[1]));String startDate2 = dateToString(getMinDateMonth(month2));String endDate2 = dateToString(getMaxDateMonth(month2));String startDate3 = dateToString(getMinDateMonth(splitEndDate[0]+splitEndDate[1]));String[] between1 = new String[]{splitStartDate[0]+splitStartDate[1],start,endDate1};String[] between2 = new String[]{month2,startDate2,endDate2};String[] between3 = new String[]{splitEndDate[0]+splitEndDate[1],startDate3,end};list.add(between1);list.add(between2);list.add(between3);}return list;}}
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