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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);
}
}
正文完
