1.时间格式转换DateUtil
作者:互联网
一、介绍
主要针对于时间date进行转换等一系列操作的工具类,包括时间转字符串,字符串转时间等。
/**
* @author sunxw
* @create_time 2021/7/9 15:21
* @since 1.0-Snapshoot
*/
import java.sql.Timestamp;
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.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
public class DateUtil{
// ==格式到年==
/**
* 日期格式,年份,例如:2004,2008
*/
public static final String DATE_FORMAT_YYYY = "yyyy";
/**
* 日期格式,年份和月份,例如:200707,200808
*/
public static final String DATE_FORMAT_YYYYMM = "yyyyMM";
/**
* 日期格式,年份和月份,例如:200707,2008-08
*/
public static final String DATE_FORMAT_YYYY_MM = "yyyy-MM";
/**
* 日期格式,年月日,例如:050630,080808
*/
public static final String DATE_FORMAT_YYMMDD = "yyMMdd";
/**
* 日期格式,年月日,用横杠分开,例如:06-12-25,08-08-08
*/
public static final String DATE_FORMAT_YY_MM_DD = "yy-MM-dd";
/**
* 日期格式,年月日,例如:20050630,20080808
*/
public static final String DATE_FORMAT_YYYYMMDD = "yyyyMMdd";
/**
* 日期格式,年月日时,例如:2021072815
*/
public static final String DATE_FORMAT_YYYYMMDDHH = "yyyyMMddHH";
/**
* 日期格式,年月日,用横杠分开,例如:2006-12-25,2008-08-08
*/
public static final String DATE_FORMAT_YYYY_MM_DD = "yyyy-MM-dd";
/**
* 日期格式,年月日,例如:2016.10.05
*/
public static final String DATE_FORMAT_POINTYYYYMMDD = "yyyy.MM.dd";
/**
* 日期格式,年月日,例如:2016年10月05日
*/
public static final String DATE_TIME_FORMAT_YYYY年MM月DD日 = "yyyy年MM月dd日";
// ==格式到年月日 时分 ==
/**
* 日期格式,年月日时分,例如:200506301210,200808081210
*/
public static final String DATE_FORMAT_YYYYMMDDHHmm = "yyyyMMddHHmm";
/**
* 日期格式,年月日时分,例如:20001230 12:00,20080808 20:08
*/
public static final String DATE_TIME_FORMAT_YYYYMMDD_HH_MI = "yyyyMMdd HH:mm";
/**
* 日期格式,年月日时分,例如:2000-12-30 12:00,2008-08-08 20:08
*/
public static final String DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI = "yyyy-MM-dd HH:mm";
/**
* 日期格式,年月日时分秒,例如:20001230120000,20080808200808
*/
public static final String DATE_TIME_FORMAT_YYYYMMDDHHMISS = "yyyyMMddHHmmss";
/**
* 日期格式,年月日时分秒,年月日用横杠分开,时分秒用冒号分开
* 例如:2005-05-10 23:20:00,2008-08-08 20:08:08
*/
public static final String DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS = "yyyy-MM-dd HH:mm:ss";
/**
* 日期格式,年月日时分秒毫秒,例如:20001230120000123,20080808200808456
*/
public static final String DATE_TIME_FORMAT_YYYYMMDDHHMISSSSS = "yyyyMMddHHmmssSSS";
// ==特殊格式==
/**
* 日期格式,月日时分,例如:10-05 12:00
*/
public static final String DATE_FORMAT_MMDDHHMI = "MM-dd HH:mm";
/* ************工具方法*************** */
/**
* 获取某日期的年份
* @param date
* @return
*/
public static Integer getYear(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal.get(Calendar.YEAR);
}
/**
* 获取某日期的月份
* @param date
* @return
*/
public static Integer getMonth(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal.get(Calendar.MONTH) + 1;
}
/**
* 获取某日期的日数
* @param date
* @return
*/
public static Integer getDay(Date date){
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int day=cal.get(Calendar.DATE);//获取日
return day;
}
/**
* 格式化Date时间
* @param time Date类型时间
* @param timeFromat String类型格式
* @return 格式化后的字符串
*/
public static String parseDate2Str(Date time, String timeFromat){
DateFormat dateFormat=new SimpleDateFormat(timeFromat);
return dateFormat.format(time);
}
/**
* 格式化Timestamp时间
* @param timestamp Timestamp类型时间
* @param timeFromat
* @return 格式化后的字符串
*/
public static String parseTimestamp2Str(Timestamp timestamp,String timeFromat){
SimpleDateFormat df = new SimpleDateFormat(timeFromat);
return df.format(timestamp);
}
/**
* 格式化Date时间
* @param time Date类型时间
* @param timeFromat String类型格式
* @param defaultValue 默认值为当前时间Date
* @return 格式化后的字符串
*/
public static String parseDate2Str(Date time, String timeFromat, final Date defaultValue){
try{
DateFormat dateFormat=new SimpleDateFormat(timeFromat);
return dateFormat.format(time);
}catch (Exception e){
if(defaultValue!=null)
return parseDate2Str(defaultValue, timeFromat);
else
return parseDate2Str(new Date(), timeFromat);
}
}
/**
* 格式化Date时间
* @param time Date类型时间
* @param timeFromat String类型格式
* @param defaultValue 默认时间值String类型
* @return 格式化后的字符串
*/
public static String parseDate2Str(Date time, String timeFromat, final String defaultValue){
try{
DateFormat dateFormat=new SimpleDateFormat(timeFromat);
return dateFormat.format(time);
}catch (Exception e){
return defaultValue;
}
}
/**
* 格式化String时间
* @param time String类型时间
* @param timeFromat String类型格式
* @return 格式化后的Date日期
*/
public static Date parseStr2Date(String time, String timeFromat) {
if (time == null || time.equals("")) {
return null;
}
Date date=null;
try{
DateFormat dateFormat=new SimpleDateFormat(timeFromat);
date=dateFormat.parse(time);
}catch(Exception e){
}
return date;
}
/**
* 格式化String时间
* @param strTime String类型时间
* @param timeFromat String类型格式
* @param defaultValue 异常时返回的默认值
* @return
*/
public static Date parseStr2Date(String strTime, String timeFromat,
Date defaultValue) {
try {
DateFormat dateFormat = new SimpleDateFormat(timeFromat);
return dateFormat.parse(strTime);
} catch (Exception e) {
return defaultValue;
}
}
/**
* 当strTime为2008-9时返回为2008-9-1 00:00格式日期时间,无法转换返回null.
* @param strTime
* @return
*/
public static Date str2Date(String strTime) {
if(strTime==null || strTime.trim().length()<=0)
return null;
Date date = null;
List<String> list = new ArrayList<String>(0);
list.add(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
list.add(DATE_TIME_FORMAT_YYYYMMDDHHMISSSSS);
list.add(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI);
list.add(DATE_TIME_FORMAT_YYYYMMDD_HH_MI);
list.add(DATE_TIME_FORMAT_YYYYMMDDHHMISS);
list.add(DATE_FORMAT_YYYY_MM_DD);
//list.add(DATE_FORMAT_YY_MM_DD);
list.add(DATE_FORMAT_YYYYMMDD);
list.add(DATE_FORMAT_YYYY_MM);
list.add(DATE_FORMAT_YYYYMM);
list.add(DATE_FORMAT_YYYY);
for (Iterator iter = list.iterator(); iter.hasNext();) {
String format = (String) iter.next();
if(strTime.indexOf("-")>0 && format.indexOf("-")<0)
continue;
if(strTime.indexOf("-")<0 && format.indexOf("-")>0)
continue;
if(strTime.length()>format.length())
continue;
date = parseStr2Date(strTime, format);
if (date != null)
break;
}
return date;
}
/**
* 解析两个日期之间的所有月份
* @param beginDateStr 开始日期,至少精确到yyyy-MM
* @param endDateStr 结束日期,至少精确到yyyy-MM
* @return yyyy-MM日期集合
*/
public static List<String> getMonthListOfDate(String beginDateStr, String endDateStr) {
// 指定要解析的时间格式
SimpleDateFormat f = new SimpleDateFormat("yyyy-MM");
// 返回的月份列表
String sRet = "";
// 定义一些变量
Date beginDate = null;
Date endDate = null;
GregorianCalendar beginGC = null;
GregorianCalendar endGC = null;
List<String> list = new ArrayList<String>();
try {
// 将字符串parse成日期
beginDate = f.parse(beginDateStr);
endDate = f.parse(endDateStr);
// 设置日历
beginGC = new GregorianCalendar();
beginGC.setTime(beginDate);
endGC = new GregorianCalendar();
endGC.setTime(endDate);
// 直到两个时间相同
while (beginGC.getTime().compareTo(endGC.getTime()) <= 0) {
sRet = beginGC.get(Calendar.YEAR) + "-"
+ (beginGC.get(Calendar.MONTH) + 1);
list.add(sRet);
// 以月为单位,增加时间
beginGC.add(Calendar.MONTH, 1);
}
return list;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* 解析两个日期段之间的所有日期
* @param beginDateStr 开始日期 ,至少精确到yyyy-MM-dd
* @param endDateStr 结束日期 ,至少精确到yyyy-MM-dd
* @return yyyy-MM-dd日期集合
*/
public static List<String> getDayListOfDate(String beginDateStr, String endDateStr) {
// 指定要解析的时间格式
SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");
// 定义一些变量
Date beginDate = null;
Date endDate = null;
Calendar beginGC = null;
Calendar endGC = null;
List<String> list = new ArrayList<String>();
try {
// 将字符串parse成日期
beginDate = f.parse(beginDateStr);
endDate = f.parse(endDateStr);
// 设置日历
beginGC = Calendar.getInstance();
beginGC.setTime(beginDate);
endGC = Calendar.getInstance();
endGC.setTime(endDate);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
// 直到两个时间相同
while (beginGC.getTime().compareTo(endGC.getTime()) <= 0) {
list.add(sdf.format(beginGC.getTime()));
// 以日为单位,增加时间
beginGC.add(Calendar.DAY_OF_MONTH, 1);
}
return list;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* 获取当下年份指定前后数量的年份集合
* @param before 当下年份前年数
* @param behind 当下年份后年数
* @return 集合
*/
public static List<Integer> getYearListOfYears(int before,int behind) {
if (before<0 || behind<0) {
return null;
}
List<Integer> list = new ArrayList<Integer>();
Calendar c = null;
c = Calendar.getInstance();
c.setTime(new Date());
int currYear = Calendar.getInstance().get(Calendar.YEAR);
int startYear = currYear - before;
int endYear = currYear + behind;
for (int i = startYear; i < endYear; i++) {
list.add(Integer.valueOf(i));
}
return list;
}
/**
* 获取当前日期是一年中第几周
* @param date
* @return
*/
public static Integer getWeekthOfYear(Date date) {
Calendar c = new GregorianCalendar();
c.setFirstDayOfWeek(Calendar.MONDAY);
c.setMinimalDaysInFirstWeek(7);
c.setTime(date);
return c.get(Calendar.WEEK_OF_YEAR);
}
/**
* 获取某一年各星期的始终时间
* 实例:getWeekList(2016),第52周(从2016-12-26至2017-01-01)
* @param year
* @return
*/
public static HashMap<Integer,String> getWeekTimeOfYear(int year) {
HashMap<Integer,String> map = new LinkedHashMap<Integer,String>();
Calendar c = new GregorianCalendar();
c.set(year, Calendar.DECEMBER, 31, 23, 59, 59);
int count = getWeekthOfYear(c.getTime());
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String dayOfWeekStart = "";
String dayOfWeekEnd = "";
for (int i = 1; i <= count; i++) {
dayOfWeekStart = sdf.format(getFirstDayOfWeek(year, i));
dayOfWeekEnd = sdf.format(getLastDayOfWeek(year, i));
map.put(Integer.valueOf(i), "第"+i+"周(从"+dayOfWeekStart + "至" + dayOfWeekEnd+")");
}
return map;
}
/**
* 获取某一年的总周数
* @param year
* @return
*/
public static Integer getWeekCountOfYear(int year){
Calendar c = new GregorianCalendar();
c.set(year, Calendar.DECEMBER, 31, 23, 59, 59);
int count = getWeekthOfYear(c.getTime());
return count;
}
/**
* 获取指定日期所在周的第一天
* @param date
* @return
*/
public static Date getFirstDayOfWeek(Date date) {
Calendar c = new GregorianCalendar();
c.setFirstDayOfWeek(Calendar.MONDAY);
c.setTime(date);
c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek()); // Monday
return c.getTime();
}
/**
* 获取指定日期所在周的最后一天
* @param date
* @return
*/
public static Date getLastDayOfWeek(Date date) {
Calendar c = new GregorianCalendar();
c.setFirstDayOfWeek(Calendar.MONDAY);
c.setTime(date);
c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek() + 6); // Sunday
return c.getTime();
}
/**
* 获取某年某周的第一天
* @param year 目标年份
* @param week 目标周数
* @return
*/
public static Date getFirstDayOfWeek(int year, int week) {
Calendar c = new GregorianCalendar();
c.set(Calendar.YEAR, year);
c.set(Calendar.MONTH, Calendar.JANUARY);
c.set(Calendar.DATE, 1);
Calendar cal = (GregorianCalendar) c.clone();
cal.add(Calendar.DATE, week * 7);
return getFirstDayOfWeek(cal.getTime());
}
/**
* 获取某年某周的最后一天
* @param year 目标年份
* @param week 目标周数
* @return
*/
public static Date getLastDayOfWeek(int year, int week) {
Calendar c = new GregorianCalendar();
c.set(Calendar.YEAR, year);
c.set(Calendar.MONTH, Calendar.JANUARY);
c.set(Calendar.DATE, 1);
Calendar cal = (GregorianCalendar) c.clone();
cal.add(Calendar.DATE, week * 7);
return getLastDayOfWeek(cal.getTime());
}
/**
* 获取某年某月的第一天
* @param year 目标年份
* @param month 目标月份
* @return
*/
public static Date getFirstDayOfMonth(int year,int month){
month = month-1;
Calendar c = Calendar.getInstance();
c.set(Calendar.YEAR, year);
c.set(Calendar.MONTH, month);
int day = c.getActualMinimum(c.DAY_OF_MONTH);
c.set(Calendar.DAY_OF_MONTH, day);
c.set(Calendar.HOUR_OF_DAY, 0);
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
return c.getTime();
}
/**
* 获取某年某月的最后一天
* @param year 目标年份
* @param month 目标月份
* @return
*/
public static Date getLastDayOfMonth(int year,int month){
month = month-1;
Calendar c = Calendar.getInstance();
c.set(Calendar.YEAR, year);
c.set(Calendar.MONTH, month);
int day = c.getActualMaximum(Calendar.DAY_OF_MONTH);
c.set(Calendar.DAY_OF_MONTH, day);
c.set(Calendar.HOUR_OF_DAY, 23);
c.set(Calendar.MINUTE, 59);
c.set(Calendar.SECOND, 59);
c.set(Calendar.MILLISECOND, 999);
return c.getTime();
}
/**
* 获取某个日期为星期几
* @param date
* @return String "星期*"
*/
public static String getDayWeekOfDate1(Date date) {
String[] weekDays = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
if (w < 0)
w = 0;
return weekDays[w];
}
/**
* 获得指定日期的星期几数
* @param date
* @return int
*/
public static Integer getDayWeekOfDate2(Date date){
Calendar aCalendar = Calendar.getInstance();
aCalendar.setTime(date);
int weekDay = aCalendar.get(Calendar.DAY_OF_WEEK);
return weekDay;
}
/**
* 验证字符串是否为日期
* 验证格式:YYYYMMDD、YYYY_MM_DD、YYYYMMDDHHMISS、YYYYMMDD_HH_MI、YYYY_MM_DD_HH_MI、YYYYMMDDHHMISSSSS、YYYY_MM_DD_HH_MI_SS
* @param strTime
* @return null时返回false;true为日期,false不为日期
*/
public static boolean validateIsDate(String strTime) {
if (strTime == null || strTime.trim().length() <= 0)
return false;
Date date = null;
List<String> list = new ArrayList<String>(0);
list.add(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
list.add(DATE_TIME_FORMAT_YYYYMMDDHHMISSSSS);
list.add(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI);
list.add(DATE_TIME_FORMAT_YYYYMMDD_HH_MI);
list.add(DATE_TIME_FORMAT_YYYYMMDDHHMISS);
list.add(DATE_FORMAT_YYYY_MM_DD);
//list.add(DATE_FORMAT_YY_MM_DD);
list.add(DATE_FORMAT_YYYYMMDD);
//list.add(DATE_FORMAT_YYYY_MM);
//list.add(DATE_FORMAT_YYYYMM);
//list.add(DATE_FORMAT_YYYY);
for (Iterator iter = list.iterator(); iter.hasNext();) {
String format = (String) iter.next();
if(strTime.indexOf("-")>0 && format.indexOf("-")<0)
continue;
if(strTime.indexOf("-")<0 && format.indexOf("-")>0)
continue;
if(strTime.length()>format.length())
continue;
date = parseStr2Date(strTime.trim(), format);
if (date != null)
break;
}
if (date != null) {
System.out.println("生成的日期:"+DateUtil.parseDate2Str(date, DateUtil.DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS, "--null--"));
return true;
}
return false;
}
/**
* 将指定日期的时分秒格式为零
* @param date
* @return
*/
public static Date formatHhMmSsOfDate(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
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();
}
/**
* 获得指定时间加减参数后的日期(不计算则输入0)
* @param date 指定日期
* @param year 年数,可正可负
* @param month 月数,可正可负
* @param day 天数,可正可负
* @param hour 小时数,可正可负
* @param minute 分钟数,可正可负
* @param second 秒数,可正可负
* @param millisecond 毫秒数,可正可负
* @return 计算后的日期
*/
public static Date addDate(Date date,int year,int month,int day,int hour,int minute,int second,int millisecond){
Calendar c = Calendar.getInstance();
c.setTime(date);
c.add(Calendar.YEAR, year);//加减年数
c.add(Calendar.MONTH, month);//加减月数
c.add(Calendar.DATE, day);//加减天数
c.add(Calendar.HOUR,hour);//加减小时数
c.add(Calendar.MINUTE, minute);//加减分钟数
c.add(Calendar.SECOND, second);//加减秒
c.add(Calendar.MILLISECOND, millisecond);//加减毫秒数
return c.getTime();
}
/**
* 获得两个日期的时间戳之差
* @param startDate
* @param endDate
* @return
*/
public static Long getDistanceTimestamp(Date startDate,Date endDate){
long daysBetween=(endDate.getTime()-startDate.getTime()+1000000)/(3600*24*1000);
return daysBetween;
}
/**
* 判断二个时间是否为同年同月
* @param date1
* @param date2
* @return
*/
public static Boolean compareIsSameMonth(Date date1,Date date2){
boolean flag = false;
int year1 = getYear(date1);
int year2 = getYear(date2);
if(year1 == year2){
int month1 = getMonth(date1);
int month2 = getMonth(date2);
if(month1 == month2)flag = true;
}
return flag;
}
/**
* 获得两个时间相差距离多少天多少小时多少分多少秒
* @param one 时间参数 1 格式:1990-01-01 12:00:00
* @param two 时间参数 2 格式:2009-01-01 12:00:00
* @return long[] 返回值为:{天, 时, 分, 秒}
*/
public static long[] getDistanceTime(Date one, Date two) {
long day = 0;
long hour = 0;
long min = 0;
long sec = 0;
try {
long time1 = one.getTime();
long time2 = two.getTime();
long diff ;
if(time1<time2) {
diff = time2 - time1;
} else {
diff = time1 - time2;
}
day = diff / (24 * 60 * 60 * 1000);
hour = (diff / (60 * 60 * 1000) - day * 24);
min = ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
sec = (diff/1000-day*24*60*60-hour*60*60-min*60);
} catch (Exception e) {
e.printStackTrace();
}
long[] times = {day, hour, min, sec};
return times;
}
/**
* 两个时间相差距离多少天多少小时多少分多少秒
* @param str1 时间参数 1 格式:1990-01-01 12:00:00
* @param str2 时间参数 2 格式:2009-01-01 12:00:00
* @return String 返回值为:{天, 时, 分, 秒}
*/
public static long[] getDistanceTime(String str1, String str2) {
DateFormat df = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
Date one;
Date two;
long day = 0;
long hour = 0;
long min = 0;
long sec = 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;
}
day = diff / (24 * 60 * 60 * 1000);
hour = (diff / (60 * 60 * 1000) - day * 24);
min = ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
sec = (diff/1000-day*24*60*60-hour*60*60-min*60);
} catch (ParseException e) {
e.printStackTrace();
}
long[] times = {day, hour, min, sec};
return times;
}
/**
* 两个时间之间相差距离多少天
* @param str1 时间参数 1:
* @param str2 时间参数 2:
* @return 相差天数
*/
public static Long getDistanceDays(String str1, String str2) throws Exception{
DateFormat df = new SimpleDateFormat(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS);
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;
}
/**
* 获取指定时间的那天 00:00:00.000 的时间
* @param date
* @return
*/
public static Date getDayBeginTime(final Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
c.set(Calendar.HOUR_OF_DAY, 0);
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
return c.getTime();
}
/**
* 获取指定时间的那天 23:59:59.999 的时间
* @param date
* @return
*/
public static Date getDayEndTime(final Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
c.set(Calendar.HOUR_OF_DAY, 23);
c.set(Calendar.MINUTE, 59);
c.set(Calendar.SECOND, 59);
c.set(Calendar.MILLISECOND, 999);
return c.getTime();
}
}
标签:DateUtil,转换,String,param,return,Date,格式,Calendar,public 来源: https://blog.csdn.net/weixin_42342676/article/details/119416202