日期|时间|时间戳:互转工具类
个人使用的时间处理工具类,用于各种类型的时间转换 ,同时,也可以使用三方封装的jar,比如hutool等
package com.ykx.eticket.util;import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.Random;
/*** * 项目名称:transfer-service * 类名称:时间转化工具 * 创建人:Administrator* 创建时间:2019年4月11日 下午3:47:53 * 修改人:Administrator * 修改时间:2019年4月11日 下午3:47:53 * 修改备注:* @version*/
@SuppressWarnings("unused")
public class TimestampUtil {/*** 20位末尾的数字id*/public static int Guid=100;public static String formatDuring(long mss) {long minutes = (mss % (1000 * 60 * 60)) / (1000 * 60);return String.valueOf(minutes);}/*** * @Description: 生成固定长度随机字符串* @param:@param length* @param:@return* @return:String* @throws:* @version: v1.0.0* @author: Administrator* @date: 2021年8月4日 上午8:46:44*/public static String getRandomString(int length){String str="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";Random random=new Random();StringBuffer sb=new StringBuffer();for(int i=0;i999){Guid=100; }ran=Guid;return time+info.substring(2, info.length())+ran; }/*** * @Description:验证时间戳是否超过30分钟* @param:@param TimeStamp* @param:@return* @param:@throws Exception* @return:boolean* @throws:* @version: v1.0.0* @author: Administrator* @date: 2019年7月24日 下午12:02:05*/public static boolean validateTimeStamp(String TimeStamp) throws Exception{long timeStamp=Long.parseLong(TimeStamp);// 获取当前时间戳Long s = (System.currentTimeMillis() - timeStamp) / (1000 * 60);if(s>5){return true;}return false;}/*** @Description: 判断时间戳是否在一分钟内* @param:@param ts* @param:@return* @return:boolean* @throws:* @version: v1.0.0* @author: Administrator* @date: 2019年11月18日 上午9:36:05*/private static boolean checkTimeStamp(long ts){if (Math.abs(ts - System.currentTimeMillis() / 1000) > 60){return false;}return true;}/*** 获取格式为yyyyMMddHHmmss的当前系统时间* @return*/public static String getDate() {String dateName = "";try {DateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");Calendar calendar = Calendar.getInstance();dateName = df.format(calendar.getTime());} catch (Exception e) {e.printStackTrace();}return dateName;}/*** @param timeStamp yyyyMMddHHmmss格式时间戳* @return java.lang.Long* @Description: 将时间戳转为毫秒值 yyyyMMddHHmmss* @Author Zangdy* @CreateTime 2019/4/22 11:42*/public static Long timeStampToDateTime(String timeStamp) throws ParseException {SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");return sdf.parse(timeStamp).getTime();}/*** 将13位的毫秒时间戳string类型的转化为指定时间格式的字符串* @param msTime* @param formatPattern* @return* 例如:SimpleDateFormat time=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");*/public final static String parseMsStringToPatternString(String msTime, SimpleDateFormat formatPattern){long time = Long.parseLong(msTime);Date date = new Date(time);String parseTime = formatPattern.format(date);return parseTime;}/*** 日期字符串String(yyyy-MM-dd HH:mm:ss) 转 Date* * @param time* @return* @throws ParseException*/public static Date StringToDate(String time) throws ParseException {Date date = new Date();// 注意format的格式要与日期String的格式相匹配DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");try {date = dateFormat.parse(time);System.out.println(date.toString());} catch (Exception e) {e.printStackTrace();}return date;}/*** * @Description: 时间字符串转13位时间戳* @param:@param time* @param:@return* @param:@throws ParseException* @return:String* @throws:* @version: v1.0.0* @author: Administrator* @date: 2021年7月22日 下午4:45:45*/public static String StringToTimeTamp(String time){String result = null;Date date = new Date();// 注意format的格式要与日期String的格式相匹配DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");try {date = dateFormat.parse(time);System.out.println(date.toString());result = String.valueOf(date.getTime());} catch (Exception e) {e.printStackTrace();}return result;}/***Timestamp格式时间 yyyy-MM-dd HH:mm:ss格式字符串yyyy-MM-dd HH:mm:ss* @param time* @return*/public static String TimestampToString(Timestamp time){String result = null;try {SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");result= dateFormat.format(time);} catch (Exception e) {e.printStackTrace();}return result;}/*** 获取现在时间* * @return返回字符串格式 yyyy-MM-dd HH:mm:ss.SSS*/public static String getStringDate() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");String dateString = formatter.format(currentTime);return dateString;}/*** 获取现在时间* * @return返回字符串格式 yyyy-MM-dd HH:mm:ss*/public static String getStringDate2() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String dateString = formatter.format(currentTime);return dateString;}/*** 获取现在时间* * @return 返回时间类型 yyyy-MM-dd HH:mm:ss*/public static Date getNowDate() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String dateString = formatter.format(currentTime);ParsePosition pos = new ParsePosition(8);Date currentTime_2 = formatter.parse(dateString, pos);return currentTime_2;}/*** 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) {SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");ParsePosition pos = new ParsePosition(0);Date strtodate = formatter.parse(strDate, pos);return strtodate;}/*** 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 = formatter.parse(strDate, pos);return strtodate;}/*** 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 strToDateLong2(String strDate) {SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Date dateTime = null;try {dateTime = simpleDateFormat.parse(strDate);} catch (ParseException e) {e.printStackTrace();}return dateTime;}/*** Date转为String(yyyy-MM-dd HH:mm:ss)* * @param time* @return*/public static String DateToString(Date time) {String dateStr = "";DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH/mm/ss");try {dateStr = dateFormat.format(time);System.out.println(dateStr);} catch (Exception e) {e.printStackTrace();}return dateStr;}/*** * @Description: yyyyMMddHHmmss格式转为日期* @param:@param time* @param:@return* @return:String* @throws:* @version: v1.0.0* @author: Administrator* @date: 2021年8月9日 上午10:35:05*/public static String StringToDae(String time) {String datetime2 = null;try {DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");LocalDateTime ldt = LocalDateTime.parse(time,dtf);DateTimeFormatter fa = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");datetime2 = ldt.format(fa);} catch (Exception e) {e.printStackTrace();}return datetime2;}/*** String(yyyy-MM-dd HH:mm:ss)转10位时间戳* * @param time* @return*/public static Integer StringToTimestamp(String time) {int times = 0;try {times = (int) ((Timestamp.valueOf(time).getTime()) / 1000);} catch (Exception e) {e.printStackTrace();}if (times == 0) {System.out.println("String转10位时间戳失败");}return times;}/*** * @Description: 10位、13位时间戳转String 格式(2018-10-15 16:03:27) 日期* @param:@param timestamp* @param:@param simpleDateFormatType* @param:@return* @return:String* @throws:* @version: v1.0.0* @author: Administrator* @date: 2021年7月22日 下午5:15:59*/public static String numberDateFormat(Object object){String timestamp=object.toString();SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//要转换的时间格式String date = null;if (timestamp.length() == 13){date = sdf.format(Long.parseLong(timestamp));}else{date = sdf.format(Long.parseLong(timestamp)*1000);}return date;}/*** 将格式yyyy-MM-dd HH:mm:ss日期字符串转为Timestamp类型* @param time* @return*/public static Timestamp stringForTimestamp(String time){Timestamp ts = new Timestamp(System.currentTimeMillis());try {ts = Timestamp.valueOf(time);} catch (Exception e) {e.printStackTrace();}return ts;}/*** @Description: 10位13位时间戳转Date* @param timestamp 参数时间戳* @param simpleDateFormatType 时间戳类型("yyyy-MM-dd HH:mm:ss")* @return*/public static Date numberDateFormatToDate(String timestamp,String simpleDateFormatType){SimpleDateFormat sdf = new SimpleDateFormat(simpleDateFormatType);//要转换的时间格式Date date = null;try {if (timestamp.length() == 13){date = sdf.parse(sdf.format(Long.parseLong(timestamp)));}else{date = sdf.parse(sdf.format(Long.parseLong(timestamp)*1000));}} catch (ParseException e) {e.printStackTrace();}return date;}/*** 10位int型的时间戳转换为String(yyyy-MM-dd HH:mm:ss)* * @param time* @return*/public static String timestampToString(Integer time) {// int转long时,先进行转型再进行计算,否则会是计算结束后在转型long temp = (long) time * 1000;Timestamp ts = new Timestamp(temp);String tsStr = "";DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");try {// 方法一tsStr = dateFormat.format(ts);System.out.println(tsStr);} catch (Exception e) {e.printStackTrace();}return tsStr;}/*** 10位时间戳转Date* * @param time* @return*/public static Date TimestampToDate(Integer time) {long temp = (long) time * 1000;Timestamp ts = new Timestamp(temp);Date date = new Date();try {date = ts;// System.out.println(date);} catch (Exception e) {e.printStackTrace();}return date;}/*** Date类型转换为10位时间戳* * @param time* @return*/public static Integer DateToTimestamp(Date time) {Timestamp ts = new Timestamp(time.getTime());return (int) ((ts.getTime()) / 1000);}/*** 获取系统当前时间,格式为yyyy-MM-dd HH:mm:ss.SSS* @return*/public static Timestamp getNowTimestamp() {Date date = new Date(); Timestamp nousedate = new Timestamp(date.getTime());return nousedate;}/*** 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 + "";elsereturn "0";}}/*** 得到二个日期间的间隔天数*/public static String getTwoDay(String sj1, String sj2) {SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");long day = 0;try {java.util.Date date = myFormatter.parse(sj1);java.util.Date mydate = myFormatter.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为时间,delay为前移或后延的天数*/public static String getNextDay(String nowdate, String delay) {try {SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");String mdate = "";Date d = strToDate(nowdate);long myTime = (d.getTime() / 1000) + Integer.parseInt(delay) * 24 * 60 * 60;d.setTime(myTime * 1000);mdate = format.format(d);return mdate;} catch (Exception e) {return "";}}/*** 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 = TimestampUtil.strToDate(sdate);Calendar c = Calendar.getInstance();c.setTime(dd);if (num.equals("1")) // 返回星期一所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);else if (num.equals("2")) // 返回星期二所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.TUESDAY);else if (num.equals("3")) // 返回星期三所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);else if (num.equals("4")) // 返回星期四所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.THURSDAY);else if (num.equals("5")) // 返回星期五所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);else if (num.equals("6")) // 返回星期六所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);else if (num.equals("0")) // 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 = TimestampUtil.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 = TimestampUtil.getWeek(sdate);if ("1".equals(str)) {str = "星期日";} else if ("2".equals(str)) {str = "星期一";} else if ("3".equals(str)) {str = "星期二";} else if ("4".equals(str)) {str = "星期三";} else if ("5".equals(str)) {str = "星期四";} else if ("6".equals(str)) {str = "星期五";} else if ("7".equals(str)) {str = "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 || date1.equals(""))return 0;if (date2 == null || date2.equals(""))return 0;// 转换为标准时间SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");java.util.Date date = null;java.util.Date mydate = null;try {date = myFormatter.parse(date1);mydate = myFormatter.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 = TimestampUtil.strToDate(sdate);Calendar c = Calendar.getInstance();c.setTime(date);int u = c.get(Calendar.DAY_OF_WEEK);String newday = TimestampUtil.getNextDay(sdate, (1 - u) + "");return newday;}/*** * @Description: string 转date* @param:@param sdate* @param:@return* @return:Date* @throws:* @version: v1.0.0* @author: Administrator* @date: 2019年12月26日 上午11:38:12*/public static Date getDateShort(String sdate) throws Exception{Date date = null;SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");date = sdf.parse(sdate);return date;}/*** * @Description: 将字符串转为13位时间戳* @param:@param time* @param:@return* @return:long* @throws:* @version: v1.0.0* @author: Administrator* @date: 2021年7月13日 上午9:20:41*/public static long getStringToDate(String time) {SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Date date = new Date();try{date = sf.parse(time);} catch(ParseException e) {e.printStackTrace();}return date.getTime();}/*** 将20210916114656格式时间转化为 yyyy-MM-dd HH:mm:ss* * @param strDate* @return*/public static String intToDateStr(String strDate) {SimpleDateFormat formatter1 = null;SimpleDateFormat formatter2 = null;Date time1=null;String time2=null;try {formatter2=new SimpleDateFormat("yyyyHHddHHmmss"); time1=formatter2.parse(strDate);formatter1=new SimpleDateFormat("yyyy-HH-dd HH:mm:ss"); time2=formatter1.format(time1);} catch (Exception e) {return strDate;} return time2;}public static void main(String[] args) throws Exception {System.err.println(getNowTimestamp());}}
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