package com.yonyoucloud.fi.stwb.utils; import java.security.SecureRandom; import java.sql.Timestamp; import java.text.ParseException; import java.text.ParsePosition; import java.text.SimpleDateFormat; import java.time.format.DateTimeFormatter; import java.util.*; public class DateUtils { public static final String DATE_TIME_PATTERN = "yyyy-MM-dd HH:mm:ss"; public static final String MINUTE_PATTERN = "yyyy-MM-dd HH:mm"; public static final String HOUR_PATTERN = "yyyy-MM-dd HH:mm:ss"; public static final String DATE_PATTERN = "yyyy-MM-dd"; public static final String MONTH_PATTERN = "yyyy-MM"; public static final String YEAR_PATTERN = "yyyy"; public static final String MINUTE_ONLY_PATTERN = "mm"; public static final String HOUR_ONLY_PATTERN = "HH"; public static final String MILLISECOND_PATTERN = "yyyyMMddHHmmssSSS"; public static final String YYYYMMDDHHMMSS= "yyyyMMddHHmmss"; public static final String YYYYMMDD= "yyyyMMdd"; public static final String HHMMSS = "HHmmss"; public static String pattern = "yyyy-MM-dd"; public static DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(pattern); public static DateTimeFormatter getDateTimeFormatter() { return dateFormatter; } public static SimpleDateFormat getYYMMDDFormat() { SimpleDateFormat formatter = new SimpleDateFormat(pattern); return formatter; } public static SimpleDateFormat getYYMMDDSSFormat() { SimpleDateFormat formatter2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return formatter2; } /** * 日期加减天数 * @param date 如果为Null，当前时间 * @param days 加减天数 * @param includeTime 时分秒是否包括，true表示包含 * @return * @throws ParseException */ public static Date dateAdd(Date date, int days, boolean includeTime) throws ParseException{ if(date == null){ date = new Date(); } if(!includeTime){ SimpleDateFormat sdf = new SimpleDateFormat(DateUtils.DATE_PATTERN); date = sdf.parse(sdf.format(date)); } Calendar cal = Calendar.getInstance(); cal.setTime(date); cal.add(Calendar.DATE, days); return cal.getTime(); } /** * 时间格式化为字符串 * @param date Date * @param pattern StrUtils.DATE_TIME_PATTERN || StrUtils.DATE_PATTERN， 若为空，则为yyyy-MM-dd * @return * @throws ParseException */ public static String dateFormat(Date date, String pattern) throws ParseException{ if(!ValueUtils.isNotEmpty(pattern)){ pattern = DateUtils.DATE_PATTERN; } SimpleDateFormat sdf = new SimpleDateFormat(pattern); return sdf.format(date); } /** * 字符串被分解成时间对象 * @param dateTimeString String * @param pattern StrUtils.DATE_TIME_PATTERN || StrUtils.DATE_PATTERN，若为空，则为yyyy-MM-dd * @return * @throws ParseException */ public static Date dateParse(String dateTimeString, String pattern) throws ParseException{ if(!ValueUtils.isNotEmpty(pattern)){ pattern = DateUtils.DATE_PATTERN; } SimpleDateFormat sdf = new SimpleDateFormat(pattern); return sdf.parse(dateTimeString); } /** * 将日期时间格式形成只有日期的字符串(可直接使用)dateFormat，Pattern为Null格式化) * @param dateTime Date * @return * @throws ParseException */ public static String dateTimeToDateString(Date dateTime) throws ParseException{ String dateTimeString = DateUtils.dateFormat(dateTime, DateUtils.DATE_TIME_PATTERN); return dateTimeString.substring(0, 10); } /** * 当时，分、秒为00:00:00时，日期时间格式为只有日期的字符串， * 当时，分秒不是00:00:00，直接返回 * @param dateTime Date * @return * @throws ParseException */ public static String dateTimeToDateStringIfTimeEndZero(Date dateTime) throws ParseException{ String dateTimeString = DateUtils.dateFormat(dateTime, DateUtils.DATE_TIME_PATTERN); if(dateTimeString.endsWith("00:00:00")){ return dateTimeString.substring(0, 10); }else{ return dateTimeString; } } /** * 将日期时间格式作为日期对象，和dateParse互用 * @param dateTime Date * @return Date * @throws ParseException */ public static Date dateTimeToDate(Date dateTime) throws ParseException{ Calendar cal = Calendar.getInstance(); cal.setTime(dateTime); cal.set(Calendar.HOUR_OF_DAY, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); return cal.getTime(); } /** * 减少时间 * @param startDate 处理时间，Null当前时间 * @param hours 加减的小时 * @return Date */ public static Date dateAddHours(Date startDate, int hours) { if (startDate == null) { startDate = new Date();
}
Calendar c = Calendar.getInstance();
c.setTime(startDate);
c.set(Calendar.HOUR, c.get(Calendar.HOUR) + hours);
return c.getTime();
}
/**
* 时间加减分钟
* @param startDate 要处理的时间，Null则为当前时间
* @param minutes 加减的分钟
* @return
*/
public static Date dateAddMinutes(Date startDate, int minutes) {
if (startDate == null) {
startDate = new Date();
}
Calendar c = Calendar.getInstance();
c.setTime(startDate);
c.set(Calendar.MINUTE, c.get(Calendar.MINUTE) + minutes);
return c.getTime();
}
/**
* 时间加减秒数
* @param startDate 要处理的时间，Null则为当前时间
* @return
*/
public static Date dateAddSeconds(Date startDate, int seconds) {
if (startDate == null) {
startDate = new Date();
}
Calendar c = Calendar.getInstance();
c.setTime(startDate);
c.set(Calendar.SECOND, c.get(Calendar.SECOND) + seconds);
return c.getTime();
}
/**
* 时间加减天数
* @param startDate 要处理的时间，Null则为当前时间
* @param days 加减的天数
* @return Date
*/
public static Date dateAddDays(Date startDate, int days) {
if (startDate == null) {
startDate = new Date();
}
Calendar c = Calendar.getInstance();
c.setTime(startDate);
c.set(Calendar.DATE, c.get(Calendar.DATE) + days);
return c.getTime();
}
/**
* 时间加减月数
* @param startDate 要处理的时间，Null则为当前时间
* @param months 加减的月数
* @return Date
*/
public static Date dateAddMonths(Date startDate, int months) {
if (startDate == null) {
startDate = new Date();
}
Calendar c = Calendar.getInstance();
c.setTime(startDate);
c.set(Calendar.MONTH, c.get(Calendar.MONTH) + months);
return c.getTime();
}
/**
* 时间加减年数
* @param startDate 要处理的时间，Null则为当前时间
* @param years 加减的年数
* @return Date
*/
public static Date dateAddYears(Date startDate, int years) {
if (startDate == null) {
startDate = new Date();
}
Calendar c = Calendar.getInstance();
c.setTime(startDate);
c.set(Calendar.YEAR, c.get(Calendar.YEAR) + years);
return c.getTime();
}
/**
* 时间比较（如果myDate>compareDate返回1，<返回-1，相等返回0）
* @param myDate 时间
* @param compareDate 要比较的时间
* @return int
*/
public static int dateCompare(Date myDate, Date compareDate) {
Calendar myCal = Calendar.getInstance();
Calendar compareCal = Calendar.getInstance();
myCal.setTime(myDate);
compareCal.setTime(compareDate);
return myCal.compareTo(compareCal);
}
/**
* 获取两个时间中最小的一个时间
* @param date
* @param compareDate
* @return
*/
public static Date dateMin(Date date, Date compareDate) {
if(date == null){
return compareDate;
}
if(compareDate == null){
return date;
}
if(1 == dateCompare(date, compareDate)){
return compareDate;
}else if(-1 == dateCompare(date, compareDate)){
return date;
}
return date;
}
/**
* 获取两个时间中最大的一个时间
* @param date
* @param compareDate
* @return
*/
public static Date dateMax(Date date, Date compareDate) {
if(date == null){
return compareDate;
}
if(compareDate == null){
return date;
}
if(1 == dateCompare(date, compareDate)){
return date;
}else if(-1 == dateCompare(date, compareDate)){
return compareDate;
}
return date;
}
/**
* 获取两个日期（不含时分秒）相差的天数，不包含今天
* @param startDate
* @param endDate
* @return
* @throws ParseException
*/
public static int dateBetween(Date startDate, Date endDate) throws ParseException {
Date dateStart = dateParse(dateFormat(startDate, DATE_PATTERN), DATE_PATTERN);
Date dateEnd = dateParse(dateFormat(endDate, DATE_PATTERN), DATE_PATTERN);
return (int) ((dateEnd.getTime() - dateStart.getTime())/1000/60/60/24);
}
/**
* 获取两个日期（不含时分秒）相差的天数，包含今天
* @param startDate
* @param endDate
* @return
* @throws ParseException
*/
public static int dateBetweenIncludeToday(Date startDate, Date endDate) throws ParseException {
return dateBetween(startDate, endDate) + 1;
}
/**
* 获取日期时间的年份，如2017-02-13，返回2017
* @param date
* @return
*/
public static int getYear(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal.get(Calendar.YEAR);
}
/**
* 获取日期时间的月份，如2017年2月13日，返回2
* @param date
* @return
*/
public static int getMonth(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal.get(Calendar.MONTH) + 1;
}
/**
* 获取日期时间的第几天（即返回日期的dd），如2017-02-13，返回13
* @param date
* @return
*/
public static int getDate(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal.get(Calendar.DATE);
}
/**
* 获取日期时间当月的总天数，如2017-02-13，返回28
* @param date
* @return
*/
public static int getDaysOfMonth(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal.getActualMaximum(Calendar.DATE);
}
/**
* 获取日期时间当年的总天数，如2017-02-13，返回2017年的总天数
* @param date
* @return
*/
public static int getDaysOfYear(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal.getActualMaximum(Calendar.DAY_OF_YEAR);
}
/**
* 根据时间获取当月最大的日期
* <li>2017-02-13，返回2017-02-28</li>
* <li>2016-02-13，返回2016-02-29</li>
* <li>2016-01-11，返回2016-01-31</li>
* @param date Date
* @return
* @throws Exception
*/
public static Date maxDateOfMonth(Date date) throws Exception {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int value = cal.getActualMaximum(Calendar.DATE);
return dateParse(dateFormat(date, MONTH_PATTERN) + "-" + value, null);
}
/**
* 根据时间获取当月最小的日期，也就是返回当月的1号日期对象
* @param date Date
* @return
* @throws Exception
*/
public static Date minDateOfMonth(Date date) throws Exception {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int value = cal.getActualMinimum(Calendar.DATE);
return dateParse(dateFormat(date, MONTH_PATTERN) + "-" + value, null);
}
/**
* 获取现在时间
*
* @return 返回时间类型 yyyy-MM-dd HH:mm:ss
*/
public static Date getNowDate() {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateString = getYYMMDDFormat().format(new Date());
ParsePosition pos = new ParsePosition(8);
Date currentTime_2 = getYYMMDDFormat().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() {
String dateString = getYYMMDDFormat().format(new Date());
ParsePosition pos = new ParsePosition(8);
Date currentTime_2 = getYYMMDDFormat().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 getNowDateShort2() throws Exception {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String dateString = sdf.format(new Date());
Date nowDateStr = sdf.parse(dateString);
return nowDateStr;
}
/**
* 获取现在时间
*
* @return返回字符串格式 yyyy-MM-dd HH:mm:ss
*/
public static String getStringDate() {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateString = getYYMMDDFormat().format(new Date());
return dateString;
}
/**
* 获取现在时间
*
* @return返回字符串格式 yyyyMMddHHmmss
*/
public static String getStringAllDate() {
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmssSSS");
String dateString = getYYMMDDFormat().format(new Date());
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() {
String dateString = getYYMMDDFormat().format(new Date());
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");
String dateString = getYYMMDDFormat().format(new Date());
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 = getYYMMDDFormat().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(Date dateDate) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateString = getYYMMDDFormat().format(dateDate);
return dateString;
}
/**
* 将短时间格式时间转换为字符串 yyyy-MM-dd
*
* @param dateDate
* @param
* @return
*/
public static String dateToStr(Date dateDate) {
String dateString = getYYMMDDFormat().format(dateDate);
return dateString;
}
public static String dateToStr(java.time.LocalDate dateDate) {
String dateString = dateFormatter.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) {
ParsePosition pos = new ParsePosition(0);
Date strtodate = getYYMMDDFormat().parse(strDate, pos);
return strtodate;
}
/**
* 将短时间格式字符串转换为时间 yyyy-MM-dd HH:mm:ss
*
* @param strDate
* @return
*/
public static Timestamp strToDateSql(String strDate) {
ParsePosition pos = new ParsePosition(0);
Date strtodate = getYYMMDDSSFormat().parse(strDate, pos);
return new Timestamp(strtodate.getTime());
}
/**
* 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 = getYYMMDDFormat().format(currentTime);
return dateString;
}
/**
* 功能：<br/>
*
* @author Tony
* @version 2016年12月16日 下午4:41:51 <br/>
*/
public static String getTodayShort() {
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
String dateString = getYYMMDDFormat().format(currentTime);
return dateString;
}
/**
* @param @param value
* @param @return
* @return String
* @throws
* @Description: 输入一个整数类型的字符串, 然后转换成时分秒的形式输出
* 例如：输入568
* 返回结果为：00:09:28
* 输入null或者“”
* 返回结果为:00:00:00
* @author Tony 鬼手卡卡
* @date 2016-4-20
*/
public static String getHHMMSS(String value) {
String hour = "00";
String minute = "00";
String second = "00";
if (value != null && !value.trim().equals("")) {
int v_int = Integer.valueOf(value);
hour = v_int / 3600 + "";//获得小时;
minute = v_int % 3600 / 60 + "";//获得小时;
second = v_int % 3600 % 60 + "";//获得小时;
}
return (hour.length() > 1 ? hour : "0" + hour) + ":" + (minute.length() > 1 ? minute : "0" + minute) + ":" + (second.length() > 1 ? second : "0" + second);
}
/**
* 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 = getYYMMDDFormat().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 = getYYMMDDFormat().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 = getYYMMDDFormat().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) {
long day = 0;
try {
Date date = getYYMMDDFormat().parse(sj1);
Date mydate = getYYMMDDFormat().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(yyyy-mm-dd)为时间,delay为前移或后延的天数
*/
public static String getNextDay(String nowdate, String delay) {
try {
String mdate = "";
Date d = strToDate(nowdate);
long myTime = (d.getTime() / 1000) + Integer.parseInt(delay) * 24 * 60 * 60;
d.setTime(myTime * 1000);
mdate = getYYMMDDFormat().format(d);
return mdate;
} catch (Exception e) {
return "";
}
}
/**
* 功能：<br/> 距离现在几天的时间是多少
* 获得一个时间字符串，格式为：yyyy-MM-dd HH:mm:ss
* day 如果为整数，表示未来时间
* 如果为负数，表示过去时间
*
* @author Tony
* @version 2016年11月29日 上午11:02:56 <br/>
*/
public static String getFromNow(int day) {
Date date = new Date();
long dateTime = (date.getTime() / 1000) + day * 24 * 60 * 60;
date.setTime(dateTime * 1000);
return getYYMMDDSSFormat().format(date);
}
/**
* 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) {
ParsePosition pos = new ParsePosition(0);
Date strtodate = getYYMMDDFormat().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 = DateUtils.strToDate(sdate);
Calendar c = Calendar.getInstance();
c.setTime(dd);
if ("1".equals(num)) // 返回星期一所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
else if ("2".equals(num)) // 返回星期二所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.TUESDAY);
else if ("3".equals(num)) // 返回星期三所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);
else if ("4".equals(num)) // 返回星期四所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.THURSDAY);
else if ("5".equals(num)) // 返回星期五所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);
else if ("6".equals(num)) // 返回星期六所在的日期
c.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);
else if ("0".equals(num)) // 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 = DateUtils.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 = DateUtils.getWeek(sdate);
if ("1".equals(str)) {
str = com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000020985") /* "星期日" */;
} else if ("2".equals(str)) {
str = com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000021003") /* "星期一" */;
} else if ("3".equals(str)) {
str = com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000020937") /* "星期二" */;
} else if ("4".equals(str)) {
str = com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000020999") /* "星期三" */;
} else if ("5".equals(str)) {
str = com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000020972") /* "星期四" */;
} else if ("6".equals(str)) {
str = com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000020946") /* "星期五" */;
} else if ("7".equals(str)) {
str = com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000020920") /* "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 || "".equals(date1))
return 0;
if (date2 == null || "".equals(date2))
return 0;
// 转换为标准时间
Date date = null;
Date mydate = null;
try {
date = getYYMMDDFormat().parse(date1);
mydate = getYYMMDDFormat().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 = DateUtils.strToDate(sdate);
Calendar c = Calendar.getInstance();
c.setTime(date);
int u = c.get(Calendar.DAY_OF_WEEK);
String newday = DateUtils.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);
}
/**
* 自动付款编码
* @param k
* @return
*/
public static String getAutoCode(int k) {
return getStringAllDate() + getRandom(k);
}
/**
* 返回一个随机数
*
* @param i
* @return
*/
public static String getRandom(int i) {
SecureRandom jjj = new SecureRandom();
// 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;
}
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();
String dateString = getYYMMDDFormat().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 (sdate == null || "".equals(sdate)) {
if ( "1".equals(nd)) {
sreturn = s_nd;
// 处理间隔符
if ("1".equals(format))
sreturn = sreturn + com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000022328") /* "年" */;
else if ("2".equals(format))
sreturn = sreturn + "-";
else if ("3".equals(format))
sreturn = sreturn + "/";
else if ("5".equals(format))
sreturn = sreturn + ".";
}
// 处理月份
if ( "1".equals(yf)) {
sreturn = sreturn + s_yf;
if ("1".equals(format))
sreturn = sreturn + com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000022392") /* "月" */;
else if ("2".equals(format))
sreturn = sreturn + "-";
else if ("3".equals(format))
sreturn = sreturn + "/";
else if ("5".equals(format))
sreturn = sreturn + ".";
}
// 处理日期
if ( "1".equals(rq)) {
sreturn = sreturn + s_rq;
if ( "1".equals(format))
sreturn = sreturn + com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000021022") /* "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 = 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 ( "1".equals(nd)) {
sreturn = s_nd;
// 处理间隔符
if ("1".equals(format))
sreturn = sreturn + com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000022328") /* "年" */;
else if ("2".equals(format))
sreturn = sreturn + "-";
else if ("3".equals(format))
sreturn = sreturn + "/";
else if ("5".equals(format))
sreturn = sreturn + ".";
}
// 处理月份
if ("1".equals(yf)) {
sreturn = sreturn + s_yf;
if ("1".equals(format))
sreturn = sreturn + com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000022392") /* "月" */;
else if ("2".equals(format))
sreturn = sreturn + "-";
else if ("3".equals(format))
sreturn = sreturn + "/";
else if ("5".equals(format))
sreturn = sreturn + ".";
}
// 处理日期
if ( "1".equals(rq)) {
sreturn = sreturn + s_rq;
if ( "1".equals(format))
sreturn = sreturn + com.yonyou.iuap.ucf.common.i18n.MessageUtils.getMessage("P_YS_FED_FW_0000021022") /* "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";
}
/**
* 功能：<br/>
*
* @author Tony
* @version 2015-3-31 上午09:29:31 <br/>
*/
public static String getOKDate(String sdate) {
if (sdate == null || "".equals(sdate))
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);
ParsePosition pos = new ParsePosition(0);
Date strtodate = getYYMMDDFormat().parse(sdate, pos);
String dateString = getYYMMDDFormat().format(strtodate);
return dateString;
}
/**
* 获取当前时间的前一天时间
*
* @param cl
* @return
*/
private static String getBeforeDay(Calendar cl) {
//使用roll方法进行向前回滚
//cl.roll(Calendar.DATE, -1);
//使用set方法直接进行设置
// int day = cl.get(Calendar.DATE);
cl.add(Calendar.DATE, -1);
return getYYMMDDFormat().format(cl.getTime());
}
/**
* 获取当前时间的后一天时间
*
* @param cl
* @return
*/
private static String getAfterDay(Calendar cl) {
//使用roll方法进行回滚到后一天的时间
//cl.roll(Calendar.DATE, 1);
//使用set方法直接设置时间值
//int day = cl.get(Calendar.DATE);
cl.add(Calendar.DATE, 1);
return getYYMMDDFormat().format(cl.getTime());
}
private static String getDateAMPM() {
GregorianCalendar ca = new GregorianCalendar();
//结果为“0”是上午 结果为“1”是下午
int i = ca.get(GregorianCalendar.AM_PM);
return i == 0 ? "AM" : "PM";
}
private static int compareToDate(String date1, String date2) {
return date1.compareTo(date2);
}
private static int compareToDateString(String date1, String date2) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
int i = 0;
try {
long ldate1 = getYYMMDDFormat().parse(date1).getTime();
long ldate2 = getYYMMDDFormat().parse(date2).getTime();
if (ldate1 > ldate2) {
i = 1;
} else if (ldate1 == ldate2) {
i = 0;
} else {
i = -1;
}
} catch (ParseException e) {
e.printStackTrace();
}
return i;
}
public static String[] getFiveDate() {
String[] dates = new String[2];
Calendar calendar = Calendar.getInstance();
calendar.setTime(new Date());
String five = " 05:00:00";
if ( "AM".equals(getDateAMPM()) && compareToDateString(getStringDate(), getStringDateShort() + five) == -1) {
dates[0] = getBeforeDay(calendar) + five;
dates[1] = getStringDateShort() + five;
} else {
dates[0] = getStringDateShort() + five;
dates[1] = getAfterDay(calendar) + five;
}
return dates;
}
public static String getFiveDate2() {
Calendar calendar = Calendar.getInstance();
calendar.setTime(new Date());
String five = " 05:00:00";
String reStr = "";
if ( "AM".equals(getDateAMPM()) && compareToDateString(getStringDate(), getStringDateShort() + five) == -1) {
reStr = getBeforeDay(calendar);
} else {
reStr = getStringDateShort();
}
return reStr;
}
/**
* 获取当年的第一天
* @param
* @return
*/
public static Date getCurrYearFirst(){
Calendar currCal=Calendar.getInstance();
int currentYear = currCal.get(Calendar.YEAR);
return getYearFirst(currentYear);
}
/**
* 获取当年的最后一天
* @param
* @return
*/
public static Date getCurrYearLast(){
Calendar currCal=Calendar.getInstance();
int currentYear = currCal.get(Calendar.YEAR);
return getYearLast(currentYear);
}
/**
* 获取某年第一天日期
* @param year 年份
* @return Date
*/
public static Date getYearFirst(int year){
Calendar calendar = Calendar.getInstance();
calendar.clear();
calendar.set(Calendar.YEAR, year);
Date currYearFirst = calendar.getTime();
return currYearFirst;
}
/**
* 获取某年最后一天日期
* @param year 年份
* @return Date
*/
public static Date getYearLast(int year){
Calendar calendar = Calendar.getInstance();
calendar.clear();
calendar.set(Calendar.YEAR, year);
calendar.roll(Calendar.DAY_OF_YEAR, -1);
Date currYearLast = calendar.getTime();
return currYearLast;
}
}