日期工具类
public class DateUtil { // ==格局到年== /** * 日期格局，年份，例如：2004，2008 */ public static final String DATE_FORMAT_YYYY = "yyyy"; // ==格局到年月 == /** * 日期格局，年份和月份，例如：200707，200808 */ public static final String DATE_FORMAT_YYYYMM = "yyyyMM"; /** * 日期格局，年份和月份，例如：200707，2008-08 */ public static final String DATE_FORMAT_YYYY_MM = "yyyy-MM"; // ==格局到年月日== /** * 日期格局，年月日，例如：050630，080808 */ public static final String DATE_FORMAT_YYMMDD = "yyMMdd"; /** * 日期格局，年月日，用横杠离开，例如：06-12-25，08-08-08 */ public static final String DATE_FORMAT_YY_MM_DD = "yy-MM-dd"; /** * 日期格局，年月日，例如：20050630，20080808 */ public static final String DATE_FORMAT_YYYYMMDD = "yyyyMMdd"; /** * 日期格局，年月日，用横杠离开，例如：2006-12-25，2008-08-08 */ public static final String DATE_FORMAT_YYYY_MM_DD = "yyyy-MM-dd"; /** * 日期格局，年月日，用横杠离开，例如：2020/07/16 */ public static final String DATE_FORMAT_YYYY_MM_DD_2 = "yyyy/MM/dd"; /** * 日期格局，年月日，例如：2016.10.05 */ public static final String DATE_FORMAT_POINTYYYYMMDD = "yyyy.MM.dd"; /** * 日期格局，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"; // ==格局到年月日 时候 == /** * 日期格局，年月日时分，例如：200506301210，200808081210 */ public static final String DATE_FORMAT_YYYYMMDDHHmm = "yyyyMMddHHmm"; /** * 日期格局，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"; /** * 日期格局，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"; /** * 日期格局，年月日时分，例如：2020/07/16 15:12 */ public static final String DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_2 = "yyyy/MM/dd HH:mm"; // ==格局到年月日 时分秒== /** * 日期格局，年月日时分秒，例如：20001230120000，20080808200808 */ public static final String DATE_TIME_FORMAT_YYYYMMDDHHMISS = "yyyyMMddHHmmss"; /** * 日期格局，年月日时分秒，年月日用横杠离开，时分秒用冒号离开 * 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"; public static final String DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS_2 = "yyyy/MM/dd HH:mm:ss"; // ==格局到年月日 时分秒 毫秒== /** * 日期格局，年月日时分秒毫秒，例如：20001230120000123，20080808200808456 */ public static final String DATE_TIME_FORMAT_YYYYMMDDHHMISSSSS = "yyyyMMddHHmmssSSS"; // ==非凡格局== /** * 日期格局，月日时候，例如：10-05 12:00 */ public static final String DATE_FORMAT_MMDDHHMI = "MM-dd HH:mm"; /* ************工具办法*************** */ /** * 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; } /** * 获取以后日期是星期几 * @param date * @return 以后日期是星期几 */ public static String getWeekOfDate(Date date) { String[] weekDays = { "周日", "周一", "周二", "周三", "周四", "周五", "周六" }; Calendar cal = Calendar.getInstance(); cal.setTime(date); int w = cal.get(Calendar.DAY_OF_WEEK) - 1; if (w < 0) w = 0; return weekDays[w]; } /** * 格式化Date工夫 * @param time Date类型工夫 * @param timeFromat String类型格局 * @return 格式化后的字符串 */ public static String parseDateToStr(Date time, String timeFromat){ DateFormat dateFormat=new SimpleDateFormat(timeFromat); return dateFormat.format(time); } /** * 格式化Timestamp工夫 * @param timestamp Timestamp类型工夫 * @param timeFromat * @return 格式化后的字符串 */ public static String parseTimestampToStr(Timestamp timestamp,String timeFromat){ SimpleDateFormat df = new SimpleDateFormat(timeFromat); return df.format(timestamp); } /** * 格式化Date工夫 * @param time Date类型工夫 * @param timeFromat String类型格局 * @param defaultValue 默认值为以后工夫Date * @return 格式化后的字符串 */ public static String parseDateToStr(Date time, String timeFromat, final Date defaultValue){ try{ DateFormat dateFormat=new SimpleDateFormat(timeFromat); return dateFormat.format(time); }catch (Exception e){ if(defaultValue!=null) return parseDateToStr(defaultValue, timeFromat); else return parseDateToStr(new Date(), timeFromat); } } /** * 格式化Date工夫 * @param time Date类型工夫 * @param timeFromat String类型格局 * @param defaultValue 默认工夫值String类型 * @return 格式化后的字符串 */ public static String parseDateToStr(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工夫 * @param time String类型工夫 * @param timeFromat String类型格局 * @return 格式化后的Date日期 */ public static Date parseStrToDate(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工夫 * @param strTime String类型工夫 * @param timeFromat String类型格局 * @param defaultValue 异样时返回的默认值 * @return */ public static Date parseStrToDate(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格局日期工夫，无奈转换返回null. * @param strTime * @return */ public static Date strToDate(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_YYYY_MM_DD_HH_MI_SS_2); list.add(DATE_TIME_FORMAT_YYYYMMDDHHMISSSSS); list.add(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI); list.add(DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_2); 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_YYYY_MM_DD_2); 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 = parseStrToDate(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，至多准确到yyyy-MM * @param endDateStr 完结日期，至多准确到yyyy-MM * @return yyyy-MM日期汇合 */ public static List<String> getMonthListOfDate(String beginDateStr, String endDateStr) { // 指定要解析的工夫格局 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); // 直到两个工夫雷同 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，减少工夫 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 ，至多准确到yyyy-MM-dd * @param endDateStr 完结日期 ，至多准确到yyyy-MM-dd * @return yyyy-MM-dd日期汇合 */ public static List<String> getDayListOfDate(String beginDateStr, String endDateStr) { // 指定要解析的工夫格局 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"); // 直到两个工夫雷同 while (beginGC.getTime().compareTo(endGC.getTime()) <= 0) { list.add(sdf.format(beginGC.getTime())); // 以日为单位，减少工夫 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汇合 * @param before 当下年份前年数 * @param behind 当下年份后年数 * @return 汇合 */ 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; } /** * 获取以后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工夫 * 实例：getWeekList(2016)，第52周(从2016-12-26至2017-01-01) * @param year 年份 * @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初一天 * @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 指标年份 * @param week 指标周数 * @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()); } /** * 获取某年某周的最初一天 * @param year 指标年份 * @param week 指标周数 * @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 指标年份 * @param month 指标月份 * @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(); } /** * 获取某年某月的最初一天 * @param year 指标年份 * @param month 指标月份 * @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(c.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]; } /** * 取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 * 验证格局: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 = parseStrToDate(strTime.trim(), format); if (date != null) break; } if (date != null) { System.out.println("生成的日期:"+DateUtil.parseDateToStr(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局为零 * @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(); } /** * 取得指定工夫加减参数后的日期(不计算则输出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(); } /** * 取得两个日期的工夫戳之差 * @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; } /** * 判断二个工夫是否为同年同月 * @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; } /** * 取得两个工夫相差间隔多少天多少小时多少分多少秒 * @param one 工夫参数 1 格局：1990-01-01 12:00:00 * @param two 工夫参数 2 格局：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; } /** * 两个工夫相差间隔多少天多少小时多少分多少秒 * @param str1 工夫参数 1 格局：1990-01-01 12:00:00 * @param str2 工夫参数 2 格局：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; } /** * 两个工夫之间相差间隔多少天 * @param str1 工夫参数 1： * @param str2 工夫参数 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; } /** * 获取指定工夫的那天 00:00:00.000 的工夫 * @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(); } /** * 获取指定工夫的那天 23:59:59.999 的工夫 * @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(); } /** * 零碎以后的工夫戳 * * @return 零碎以后的工夫戳 */ public static Timestamp getTimestamp() { return new Timestamp(System.currentTimeMillis()); } public static void main(String [] args){ try { DateUtil dateUtil = new DateUtil(); System.out.println(); Calendar rightNow = Calendar.getInstance(); int hour = rightNow.get(Calendar.HOUR_OF_DAY);//时 int minute = rightNow.get(Calendar.MINUTE);//分 System.out.println(hour+":"+minute); PasswordEncodeDecode p=new PasswordEncodeDecode(); String pass = p.passwordEncode("83abe08f8b1040b2a75b6faf29384cfd","#XJYTghsjzx2021");//数据库明码加密 System.out.println("ds----》 " + pass); } catch (Exception e) { // TODO: handle exception } } //获取以后工夫戳 格局为 yyyyMMddHHmmss public static String getNowDate() { //失去long类型以后工夫 long l = System.currentTimeMillis(); //new日期对象 Date date = new Date(l); //转换提日期输入格局 SimpleDateFormat dateFormat = new SimpleDateFormat( "yyyyMMddHHmmss" ); return dateFormat.format(date); }}
响应工具类（接口返回数据格式）
@Data@ApiModel(value="接口返回对象", description="接口返回对象")public class Result<T> implements Serializable { private static final long serialVersionUID = 1L; /** * 胜利标记 */ @ApiModelProperty(value = "胜利标记") private boolean success = true; /** * 返回解决音讯 */ @ApiModelProperty(value = "返回解决音讯") private String message = "操作胜利！"; /** * 返回代码 */ @ApiModelProperty(value = "返回代码") private Integer code = 0; /** * 返回数据对象 data */ @ApiModelProperty(value = "返回数据对象") private T result; /** * 工夫戳 */ @ApiModelProperty(value = "工夫戳") private long timestamp = System.currentTimeMillis(); public Result() { } public Result<T> success(String message) { this.message = message; this.code = CommonConstant.SC_OK_200; this.success = true; return this; } public static Result<Object> ok() { Result<Object> r = new Result<Object>(); r.setSuccess(true); r.setCode(CommonConstant.SC_OK_200); r.setMessage("胜利"); return r; } public static Result<Object> ok(String msg) { Result<Object> r = new Result<Object>(); r.setSuccess(true); r.setCode(CommonConstant.SC_OK_200); r.setMessage(msg); return r; } public static Result<Object> ok(Object data) { Result<Object> r = new Result<Object>(); r.setSuccess(true); r.setCode(CommonConstant.SC_OK_200); r.setResult(data); return r; } public static Result<Object> ok(Object data, String msg) { Result<Object> r = new Result<Object>(); r.setSuccess(true); r.setCode(CommonConstant.SC_OK_200); r.setMessage(msg); r.setResult(data); return r; } public static Result<Object> error(String msg) { return error(CommonConstant.SC_INTERNAL_SERVER_ERROR_500, msg); } public static Result<Object> error(int code, String msg) { Result<Object> r = new Result<Object>(); r.setCode(code); r.setMessage(msg); r.setSuccess(false); return r; } public Result<T> error500(String message) { this.message = message; this.code = CommonConstant.SC_INTERNAL_SERVER_ERROR_500; this.success = false; return this; } /** * 无权限拜访返回后果 */ public static Result<Object> noauth(String msg) { return error(CommonConstant.SC_NO_AUTHZ, msg); }}