package com.lee.common;
import org.springframework.util.StringUtils;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Title:公共工具类
* Description: 对日期的一些操作
*/
public class DateTimeUtil {
/**
* 由java.util.Date到java.sql.Date的类型转换
*
* @param date
*
* @return Date
*/
public static Date getSqlDate(Date date) {
return new Date(date.getTime());
}
public static Date nowDate() {
Calendar calendar = Calendar.getInstance();
return getSqlDate(calendar.getTime());
}
/**
* 判断给定的年月日，是否为一周的开始
*
* @param year
* @param month
* @param day
* @return
*/
private static boolean getIsWeekBegin(int year, int month, int day) {
boolean flag = false;
Calendar c = Calendar.getInstance();
c.set(year, month - 1, day); // 设置日期
int week = c.get(Calendar.DAY_OF_WEEK); // 获取当前日期星期，英国那边的算法(周日算一周第一天)
if (week == 2) { // 如果是周1就返回true
flag = true;
}
return flag;
}
/**
*
* 给定一个日期，获得这个日期所在周的周一的日期
*
* @param date
* void
* @exception 2012-10-20 下午5:56:58
*/
public static String getMonday(String date, String df) {
if (!StringUtils.isEmpty(date)) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
Date d = null;
try {
d = format.parse(date);
Calendar cal = Calendar.getInstance();
cal.setTime(d);
// 关于DAY_OF_WEEK的说明
// Field number for get and set indicating
// the day of the week. This field takes values
// SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY,
// and SATURDAY
cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
if (!StringUtils.isEmpty(df))
format = new SimpleDateFormat(df);
return format.format(cal.getTime());
} catch (Exception e) {
e.printStackTrace();
return "";
}
} else {
return "";
}
}
/**
* 判断给定的年月日，是否为一周的结束
*
* @param year
* @param month
* @param day
* @return
*/
public static boolean getIsWeekEnd(int year, int month, int day) {
Calendar c = Calendar.getInstance();
c.set(year, month - 1, day); // 设置日期
int week = c.get(Calendar.DAY_OF_WEEK); // 获取当前日期星期，英国那边的算法(周日算一周第一天)
if (week == 7 || week == 1) { // 如果是周六或周日就返回true
return true;
}
return false;
}
/**
* 获得某月包含的周一个数
*
* @param year
* @param month
* @return
*/
public static int getWeekNumberOfMonth(int year, int month) {
// 周1 的计数器count
int count = 0;
int day = getDayCountOfMonth(year, month);
for (int i = 1; i <= day; i++) {
if (getIsWeekBegin(year, month, i)) {
count += 1;
}
}
return count;
}
/**
* 获得某一日期的后一天
*
* @param date
* @return Date
*/
public static Date getNextDate(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
int day = calendar.get(Calendar.DATE);
calendar.set(Calendar.DATE, day + 1);
return getSqlDate(calendar.getTime());
}
/**
* 获得某一日期的前一天
*
* @param date
* @return Date
*/
public static Date getPreviousDate(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
int day = calendar.get(Calendar.DATE);
calendar.set(Calendar.DATE, day - 1);
return getSqlDate(calendar.getTime());
}
/**
* 返回给定日期所在月的第一天
*
* @param date
* @return
* @throws ParseException
*/
public static Date getFirstDayOfMonth(final String date)
throws ParseException {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
Date d = format.parse(date);
Calendar cal = new GregorianCalendar();
cal.setTime(d);
return getFirstDayOfMonth(cal.get(Calendar.YEAR),
cal.get(Calendar.MONTH) + 1);
}
/**
* 取得给定日期所在月的天数
*
* @return int
*/
public static int getDayCountOfMonth(final String date) {
Date d = StringToDate(date);
Calendar cal = new GregorianCalendar();
cal.setTime(d);
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, cal.get(Calendar.YEAR));
calendar.set(Calendar.MONTH, cal.get(Calendar.MONTH));
calendar.set(Calendar.DATE, 0);
return calendar.get(Calendar.DATE);
}
/**
* 获取当前月的天数
*
* @return int
* @exception 2012-10-19 下午9:58:07
*/
public static int getDayCountOfMonth() {
return getDayCountOfMonth(Integer.parseInt(yyyyStr()),
Integer.parseInt(mmStr()));
}
/**
* 获得某年某月第一天的日期
*
* @param year
* @param month
* @return Date
*/
public static Date getFirstDayOfMonth(int year, int month) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, month - 1);
calendar.set(Calendar.DATE, 1);
return calendar.getTime();
}
/**
* 获得某年某月最后一天的日期
*
* @param year
* @param month
* @return Date
*/
public static Date getLastDayOfMonth(int year, int month) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, month);
calendar.set(Calendar.DATE, 1);
return getPreviousDate(getSqlDate(calendar.getTime()));
}
/**
* 由年月日构建java.sql.Date类型
*
* @param year
* @param month
* @param date
* @return Date
*/
public static Date buildDate(int year, int month, int date) {
Calendar calendar = Calendar.getInstance();
calendar.set(year, month - 1, date);
return getSqlDate(calendar.getTime());
}
/**
* 取得某月的天数
*
* @param year
* @param month
* @return int
*/
public static int getDayCountOfMonth(int year, int month) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, month);
calendar.set(Calendar.DATE, 0);
return calendar.get(Calendar.DATE);
}
/**
* 获得某年某季度的最后一天的日期
*
* @param year
* @param quarter
* @return Date
*/
public static Date getLastDayOfQuarter(int year, int quarter) {
int month = 0;
if (quarter > 4) {
return null;
} else {
month = quarter * 3;
}
return getLastDayOfMonth(year, month);
}
/**
* 获得某年某季度的第一天的日期
*
* @param year
* @param quarter
* @return Date
*/
public static Date getFirstDayOfQuarter(int year, int quarter) {
int month = 0;
if (quarter > 4) {
return null;
} else {
month = (quarter - 1) * 3 + 1;
}
return getFirstDayOfMonth(year, month);
}
/**
* 获得某年的第一天的日期
*
* @param year
* @return Date
*/
public static Date getFirstDayOfYear(int year) {
return getFirstDayOfMonth(year, 1);
}
/**
* 获得某年的最后一天的日期
*
* @param year
* @return Date
*/
public static Date getLastDayOfYear(int year) {
return getLastDayOfMonth(year, 12);
}
/**
* String到java.sql.Date的类型转换
*
* @param param
* @return Date
*/
public static Date StringToDate(String param) {
if (StringUtils.isEmpty(param)) {
return null;
} else {
Date date = null;
try {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
date = sdf.parse(param);
return date;
} catch (ParseException ex) {
return null;
}
}
}
/**
* 时间格式： 20050601081202
*/
public static String nowNumStr() {
Calendar now = Calendar.getInstance();
String yyyy = String.valueOf(now.get(Calendar.YEAR));
String mm = String.valueOf(now.get(Calendar.MONTH) + 1);
String dd = String.valueOf(now.get(Calendar.DAY_OF_MONTH));
String hh = String.valueOf(now.get(Calendar.HOUR_OF_DAY));
String ii = String.valueOf(now.get(Calendar.MINUTE));
String ss = String.valueOf(now.get(Calendar.SECOND));
mm = (1 == mm.length()) ? ("0" + mm) : mm;
dd = (1 == dd.length()) ? ("0" + dd) : dd;
hh = (1 == hh.length()) ? ("0" + hh) : hh;
ii = (1 == ii.length()) ? ("0" + ii) : ii;
ss = (1 == ss.length()) ? ("0" + ss) : ss;
String timeStr = yyyy + mm + dd + hh + ii + ss;
return timeStr;
}
/**
* 时间格式： 20050601081202
*/
public static String nowymdNumStr() {
Calendar now = Calendar.getInstance();
String yyyy = String.valueOf(now.get(Calendar.YEAR));
String mm = String.valueOf(now.get(Calendar.MONTH) + 1);
String dd = String.valueOf(now.get(Calendar.DAY_OF_MONTH));
mm = (1 == mm.length()) ? ("0" + mm) : mm;
dd = (1 == dd.length()) ? ("0" + dd) : dd;
String timeStr = yyyy + mm + dd;
return timeStr;
}
/**
* 时间格式：2005-01
*/
public static String ymStr() {
Calendar now = Calendar.getInstance();
String yyyy = String.valueOf(now.get(Calendar.YEAR));
String mm = String.valueOf(now.get(Calendar.MONTH) + 1);
String dd = String.valueOf(now.get(Calendar.DAY_OF_MONTH));
mm = (1 == mm.length()) ? ("0" + mm) : mm;
return yyyy + "-" + mm;
}
/**
* 时间格式：2005-01-20
*/
public static String ymdStr() {
Calendar now = Calendar.getInstance();
String yyyy = String.valueOf(now.get(Calendar.YEAR));
String mm = String.valueOf(now.get(Calendar.MONTH) + 1);
String dd = String.valueOf(now.get(Calendar.DAY_OF_MONTH));
mm = (1 == mm.length()) ? ("0" + mm) : mm;
dd = (1 == dd.length()) ? ("0" + dd) : dd;
return yyyy + "-" + mm + "-" + dd;
}
/**
* 将给定的日期增加相应年
*
* @param date
* 待增加日期
* @param year
* 需要增加的年数
* @return 格式yyyy-MM-dd
* @throws ParseException
*/
public static String addOneYearForYmdStr(String date, int year)
throws ParseException {
Calendar now = Calendar.getInstance();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
Date d = dateFormat.parse(date);
now.setTime(d);
String yyyy = String.valueOf(now.get(Calendar.YEAR) + year);
String mm = String.valueOf(now.get(Calendar.MONTH) + 1);
String dd = String.valueOf(now.get(Calendar.DAY_OF_MONTH));
mm = (1 == mm.length()) ? ("0" + mm) : mm;
dd = (1 == dd.length()) ? ("0" + dd) : dd;
return yyyy + "-" + mm + "-" + dd;
}
/**
* 时间格式：08:12:45
*/
public static String hisStr() {
Calendar now = Calendar.getInstance();
String hh = String.valueOf(now.get(Calendar.HOUR_OF_DAY));
String ii = String.valueOf(now.get(Calendar.MINUTE));
String ss = String.valueOf(now.get(Calendar.SECOND));
hh = (1 == hh.length()) ? ("0" + hh) : hh;
ii = (1 == ii.length()) ? ("0" + ii) : ii;
ss = (1 == ss.length()) ? ("0" + ss) : ss;
return hh + ":" + ii + ":" + ss;
}
/**
* 时间格式： 2005-01-23 08:12:45
*
* @return
*/
public static String nowTimeStr() {
return ymdStr() + " " + hisStr();
}
/**
* 根据格式获得当前日期
*
* @param pattern
* @return
*/
public static String getNowDateStrForPattern(String pattern) {
return new SimpleDateFormat(pattern).format(new Date());
}
/**
* 获取年 2006
*/
public static String yyyyStr() {
Calendar now = Calendar.getInstance();
now = Calendar.getInstance();
String yyyy = String.valueOf(now.get(Calendar.YEAR));
return yyyy;
}
/**
* 获取月 06
*/
public static String mmStr() {
Calendar now = Calendar.getInstance();
String mm = String.valueOf(now.get(Calendar.MONTH) + 1);
mm = (1 == mm.length()) ? ("0" + mm) : mm;
return mm;
}
/**
* 获取日
*/
public static String ddStr() {
Calendar now = Calendar.getInstance();
String dd = String.valueOf(now.get(Calendar.DAY_OF_MONTH));
dd = (1 == dd.length()) ? ("0" + dd) : dd;
return dd;
}
/**
* 格式化SQL日期
*/
public static String format(String pattern, java.sql.Date date) {
return new SimpleDateFormat(pattern).format(date);
}
/**
* 格式化JAVA日期
*/
public static String format(String pattern, Date date) {
return new SimpleDateFormat(pattern).format(date);
}
/**
* 在当前日期加或减多少天得到新日期
*
* @param i
* 增加的天数
* @param operator
* :+ -
* @return 新日期
*/
public static String strToDateByInt(int i, String operator, String df) {
Date d = nowDate();
GregorianCalendar gc = new GregorianCalendar();
gc.setTime(d);
if ("+".equals(operator)) {
gc.add(GregorianCalendar.DATE, i);
} else if ("-".equals(operator)) {
gc.add(GregorianCalendar.DATE, (-i));
}
Date now = gc.getTime();
if (df.equals(""))
df = "yyyy-MM-dd hh:mm:ss"; // 默认输出时间格式
SimpleDateFormat sdf = new SimpleDateFormat(df);
return sdf.format(now);
}
/**
* 在指定日期上增加天数
*
* @param day
* @param operator
* @param df
* @return String
* @exception
*/
public static String strDateByInt(int day, String oldDate, String operator,
String df) {
if (!StringUtils.isEmpty(df)) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
if (!StringUtils.isEmpty(df))
format = new SimpleDateFormat(df);
Date d = null;
try {
d = format.parse(oldDate);
GregorianCalendar gc = new GregorianCalendar();
gc.setTime(d);
if ("+".equals(operator)) {
gc.add(GregorianCalendar.DATE, day);
} else if ("-".equals(operator)) {
gc.add(GregorianCalendar.DATE, (-day));
}
Date now = gc.getTime();
return format.format(now);
} catch (Exception e) {
e.printStackTrace();
return "";
}
} else {
return "";
}
}
/**
* 计算某年某月有多少天
*
* @param year
* @param month
* @return
*/
public static int daysInMonth(int year, int month) {
if (month <= 0 || month > 12) {
return -1;
}
int days = 31;
if (month == 4 || month == 6 || month == 9 || month == 11) {
days = 30;
}
if (month == 2) {
if ((year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0)) {
days = 29;
} else {
days = 28;
}
}
return days;
}
/**
* 取得下个月
*
*/
public static void getNextMonth() {
try {
Calendar cl = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMM");
cl.setTime(sdf.parse("200601"));
// cl.add(cl.MONTH, 1);
System.out.print(cl.get(Calendar.MONTH + 1));//
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 计算两个日期之间的月差
*/
public static int dispersionMonth2(String strDate1, String strDate2) {
int iMonth = 0;
int flag = 0;
try {
Calendar objCalendarDate1 = Calendar.getInstance();
objCalendarDate1.setTime(DateFormat.getDateInstance().parse(
strDate1));
Calendar objCalendarDate2 = Calendar.getInstance();
objCalendarDate2.setTime(DateFormat.getDateInstance().parse(
strDate2));
if (objCalendarDate2.equals(objCalendarDate1))
return 0;
if (objCalendarDate1.after(objCalendarDate2)) {
Calendar temp = objCalendarDate1;
objCalendarDate1 = objCalendarDate2;
objCalendarDate2 = temp;
}
if (objCalendarDate2.get(Calendar.DAY_OF_MONTH) < objCalendarDate1
.get(Calendar.DAY_OF_MONTH))
flag = 1;
if (objCalendarDate2.get(Calendar.YEAR) > objCalendarDate1
.get(Calendar.YEAR))
iMonth = ((objCalendarDate2.get(Calendar.YEAR) - objCalendarDate1
.get(Calendar.YEAR))
* 12
+ objCalendarDate2.get(Calendar.MONTH) - flag)
- objCalendarDate1.get(Calendar.MONTH);
else
iMonth = objCalendarDate2.get(Calendar.MONTH)
- objCalendarDate1.get(Calendar.MONTH) - flag;
} catch (Exception e) {
}
return iMonth;
}
/**
* 两个时间之间相差距离多少天
* @return 相差天数
*/
public static long getDistanceDays(String str1, String str2){
DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
Date one;
Date two;
long days=0;
try {
one = df.parse(str1);
two = df.parse(str2);
long time1 = one.getTime();
long time2 = two.getTime();
long diff ;
if(time1<time2) {
diff = time2 - time1;
} else {
diff = time1 - time2;
}
days = diff / (1000 * 60 * 60 * 24);
} catch (ParseException e) {
e.printStackTrace();
}
return days;
}
/**
* 返回日期中间的所有日期list形式
* @param str1
* @param str2
* @return
*/
public static List<Map<String,Object>> getDistanceDaysList(String str1, String str2){
List<Map<String,Object>> daysList = new ArrayList<Map<String,Object>>();
Map<String,Object> daysMap = null;
long dayFlag = compare_date(str1,str2);
if(dayFlag == 1){//str1大于str2日期(格式不正确)
return null;
}else if(dayFlag == 0){//两个日期一样
daysMap = new HashMap<String,Object>();
daysMap.put("date",str1);
daysMap.put("count","0");
daysList.add(daysMap);
return daysList;
} else{
long daysNum = getDistanceDays(str1,str2);
daysMap = new HashMap<String,Object>();
daysMap.put("date",str1);
daysMap.put("count","0");
daysList.add(daysMap);
for(int i = 1; i < daysNum; i++){
String dayStr = strDateByInt(i,str1,"+","yyyy-MM-dd");
daysMap = new HashMap<String,Object>();
daysMap.put("date",dayStr);
daysMap.put("count","0");
daysList.add(daysMap);
}
daysMap = new HashMap<String,Object>();
daysMap.put("date",str2);
daysMap.put("count","0");
daysList.add(daysMap);
}
return daysList;
}
/**
* 返回日期中间的所有日期Map形式
* @param str1
* @param str2
* @return
*/
public static Map<String,Object> getDistanceDaysMap(String str1, String str2){
Map<String,Object> daysMap = new LinkedHashMap<String,Object>();
long dayFlag = compare_date(str1,str2);
if(dayFlag == 1){//str1大于str2日期(格式不正确)
return null;
}else if(dayFlag == 0){//两个日期一样
daysMap.put(str1, "0");
return daysMap;
} else{
long daysNum = getDistanceDays(str1,str2);
daysMap.put(str1, "0");
for(int i = 1; i < daysNum; i++){
String dayStr = strDateByInt(i,str1,"+","yyyy-MM-dd");
daysMap.put(dayStr, "0");
}
daysMap.put(str2, "0");
}
return daysMap;
}
public static int dispersionDays2(String sEndDate, String sBeginDate)
throws Exception {
Calendar calendar1 = Calendar.getInstance();
Calendar calendar2 = Calendar.getInstance();
SimpleDateFormat formatter1 = new SimpleDateFormat("yyyy-MM-dd");// 格式很重要：是20051031，还是2005-10-31格式呢？
if (sBeginDate.equals("0")) {
sBeginDate = "19000101";
}
calendar1.setTime(formatter1.parse(sBeginDate));
calendar2.setTime(formatter1.parse(sEndDate));
return (int) ((calendar2.getTimeInMillis() - calendar1
.getTimeInMillis()) / 1000 / 60 / 60 / 24);// 获取天数的差值。
}
public static String GMTToString(String dateGMT) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
@SuppressWarnings("deprecation")
Date satrt = new Date(dateGMT);
String startStr = sdf.format(satrt);
return startStr;
}
public static String dateFormat(String dateStr) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = sdf.parse(dateStr);
sdf = new SimpleDateFormat("HH:mm");
String startStr = sdf.format(date);
return startStr;
}
public static String dateFormat(String dateStr, String viewFormat)
throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = sdf.parse(dateStr);
sdf = new SimpleDateFormat(viewFormat);
String startStr = sdf.format(date);
return startStr;
}
public static String getDateByLong(long LongTime) {
Date date = new Date(LongTime);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return sdf.format(date);
}
/**
* 日期比较
*
* @param DATE1
* @param DATE2
* @return 0:两个日期一样 1：dt1 日期大。-1：dt1日期小。
*/
public static int compare_date(String DATE1, String DATE2) {
DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
try {
Date dt1 = df.parse(DATE1);
Date dt2 = df.parse(DATE2);
if (dt1.getTime() > dt2.getTime()) {
// System.out.println("dt1 在dt2前");
return 1;
} else if (dt1.getTime() < dt2.getTime()) {
// System.out.println("dt1在dt2后");
return -1;
} else {
return 0;
}
} catch (Exception exception) {
exception.printStackTrace();
}
return 0;
}
/**
* 时间比较
* yyyy-MM-dd HH:mm:ss"
* @param DATE1
* @param DATE2
* @return 0:两个日期一样 1：dt1 日期大。-1：dt1日期小。
*/
public static int compare_date_time(String DATE1, String DATE2) {
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
Date dt1 = df.parse(DATE1);
Date dt2 = df.parse(DATE2);
if (dt1.getTime() > dt2.getTime()) {
// System.out.println("dt1 在dt2前");
return 1;
} else if (dt1.getTime() < dt2.getTime()) {
// System.out.println("dt1在dt2后");
return -1;
} else {
return 0;
}
} catch (Exception exception) {
exception.printStackTrace();
}
return 0;
}
/**
* 获得当前日期所在季度
*
* @return 1：一季度，2：二季度，3：三季度，4：四季度
*/
public static int nowQuarter() {
Calendar now = Calendar.getInstance();
int month = now.get(Calendar.MONTH) + 1;
if (month == 1 || month == 2 || month == 3) {
return 1;
} else if (month == 4 || month == 5 || month == 6) {
return 2;
} else if (month == 7 || month == 8 || month == 9) {
return 3;
} else {
return 4;
}
}
/**
* 根据当前年月获取上个月时间
* @param date
* @return
* @throws Exception
*/
public static String getLastMonthDate(String date) throws Exception{
Calendar c = Calendar.getInstance();
SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM");
c.setTime(sf.parse(date));
c.add(Calendar.MONTH,-1);
return sf.format(c.getTime());
}
/**
* 根据当前年月获取几个月前（后）时间
* @param date
* @param number 月数 正数为后 负数为前
* @return
* @throws Exception
*/
public static String getSomeMonthDate(String date,int number) throws Exception{
Calendar c = Calendar.getInstance();
SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM");
c.setTime(sf.parse(date));
c.add(Calendar.MONTH,number);
return sf.format(c.getTime());
}
/**
* 根据当前年月获取上一年时间
* @param date
* @param format: 例："yyyy-MM"
* @return
* @throws Exception
*/
public static String getLastYearDate(String date,String format) throws Exception{
Calendar c = Calendar.getInstance();
SimpleDateFormat sf = new SimpleDateFormat(format);
c.setTime(sf.parse(date));
c.add(Calendar.YEAR,-1);
return sf.format(c.getTime());
}
/**
* a - b 的秒数
* 时间格式必须为 yyyy-MM-dd HH:mm:ss
* @param a
* @param b
* @return
*/
public static long getDaysFromTwoTime(String a,String b){
long days = 0;
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try{
Date d1 = df.parse(a);
Date d2 = df.parse(b);
long diff = d1.getTime() - d2.getTime();
days = diff/(1000);
} catch (Exception e) {
e.printStackTrace();
}
return days;
}
public static String addDays(String date,int days) throws Exception{
Calendar c = Calendar.getInstance();
SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd");
c.setTime(sf.parse(date));
c.add(Calendar.DATE,days);
return sf.format(c.getTime());
}
/**
* 将yyyy-MM-dd转换为yyyy年MM月dd日
* @param date
* @return yyyy年MM月dd日
* @throws Exception
*/
public static String ymdprintStr(String date){
String printYmd="";
if(!StringUtils.isEmpty(date)){
if(date.length()>10){
date = date.substring(0, 10);
}
String[] dates =date.split("-");
printYmd=dates[0]+"年"+dates[1]+"月"+dates[2]+"日";
}
return printYmd;
}
/**
* 将yyyy-MM-dd转换为yyyyMMdd
* @param date
* @return yyyyMMdd
* @throws Exception
*/
public static String yyyymmddprintStr(String date){
String printYmd="";
if(!StringUtils.isEmpty(date)){
if(date.length()>10){
date = date.substring(0, 10);
}
String[] dates =date.split("-");
printYmd=dates[0]+dates[1]+dates[2];
}
return printYmd;
}
/**
* 开发区补贴发放记录导入功能
* 验证身份证号合法性
* 非空、18位合法
* @param idnumber
* @return
*/
public static boolean validateFfjlIdnumber(String idnumber){
if(!StringUtils.isEmpty(idnumber)&&idnumber.trim().length()==18){
return true;
}
return false;
}
/**
* 开发区补贴发放记录导入功能
* 验证发放金额合法性
* 非空、数字合法
* @param money
* @return
*/
public static boolean validateFfjlMoney(String money){
if(!StringUtils.isEmpty(money) && money.trim().matches("\\d+(\\.\\d+)?")){
return true;
}
return false;
}
/**
* 检验日期是否符合格式
* 支持格式： yyyy-M, yyyy-MM, yyyy.M, yyyy.MM, yyyy/M, yyyy/MM
* @param date
* @return
*/
public static boolean validateDateFormat(String date){
String regex = "^(\\d{4})-(0{0,1}\\d{1}|1[0-2])"
+ "|(\\d{4})\\.(0{0,1}\\d{1}|1[0-2])"
+ "|(\\d{4})/(0{0,1}\\d{1}|1[0-2])$";
Pattern pat = Pattern.compile(regex);
Matcher matcher = pat.matcher(date);
return matcher.find();
}
/**
* 检验日期是否符合格式
* 支持格式：yyyy-MM, yyyy.MM, yyyy/MM
* @param date
* @return
*/
public static boolean validateDateFormatYMD(String date){
String regex = "^(\\d{4})-(0{0,1}\\d{1}|1[0-2])-(0{0,1}\\d{1}|[12]\\d{1}|3[01])"
+ "|(\\d{4})\\.(0{0,1}\\d{1}|1[0-2])\\.(0{0,1}\\d{1}|[12]\\d{1}|3[01])"
+ "|(\\d{4})/(0{0,1}\\d{1}|1[0-2])/(0{0,1}\\d{1}|[12]\\d{1}|3[01])$";
Pattern pat = Pattern.compile(regex);
Matcher matcher = pat.matcher(date);
return matcher.find();
}
}
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