当前位置:网站首页>Time tools
Time tools
2022-07-07 19:39:00 【Scarecrow 0.0】
public class DateUtils {
public static final Date MAX_DATE = new Date(4102243199000L);
private DateUtils() {
throw new UnsupportedOperationException(this.getClass().getName() + " is a tool class, can't be created instance!");
}
public static String convertTimeToString(long longTime) {
return convertTimeToString(longTime, "yyyy-MM-dd HH:mm:ss");
}
public static String convertTimeToString(long longTime, String format) {
try {
Timestamp t = new Timestamp(longTime * 1000L);
SimpleDateFormat sDateFormat = new SimpleDateFormat(format);
return sDateFormat.format(t);
} catch (Exception var5) {
throw new RuntimeException("Can't format the time by format[" + format + "]!");
}
}
public static long convertTimeToLong(String dateTime) {
return convertTimeToLong(dateTime, "yyyy-MM-dd HH:mm:ss");
}
public static long convertTimeToLong(String dateTime, String format) {
SimpleDateFormat sdf = new SimpleDateFormat(format);
long date = 0L;
try {
Date d = sdf.parse(dateTime);
date = d.getTime() / 1000L;
return date;
} catch (Exception var6) {
throw new RuntimeException("Can't format the time by format[" + format + "]!");
}
}
public static long getCurrentLongTime() {
return System.currentTimeMillis() / 1000L;
}
public static String getCurrentTime() {
return getCurrentTime("yyyy-MM-dd HH:mm:ss");
}
public static String getCurrentTime(String format) {
try {
SimpleDateFormat sdf = new SimpleDateFormat(format);
return sdf.format(new Date());
} catch (Exception var2) {
throw new RuntimeException("Can't format the time by format[" + format + "]!");
}
}
public static long getDayBetweenDateAndDate(String startDate, String endDate) {
SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
long day = 0L;
try {
Date date = myFormatter.parse(endDate);
Date mydate = myFormatter.parse(startDate);
day = (date.getTime() - mydate.getTime()) / 86400000L;
return day;
} catch (Exception var7) {
throw new RuntimeException("Time format[" + startDate + "][" + endDate + "] is error ! format must be 'yyyy-MM-dd'!");
}
}
public static int getWeekday(String dateTime) {
SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
try {
Date date = myFormatter.parse(dateTime);
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal.get(7) - 1 < 0 ? 0 : cal.get(7) - 1;
} catch (ParseException var4) {
throw new RuntimeException("Time format[" + dateTime + "] is error ! format must be 'yyyy-MM-dd'!");
}
}
public static String getPreWeekFirstDay() {
Calendar cd = Calendar.getInstance();
int week = cd.get(7) == 1 ? 8 : cd.get(7);
int mondayPlus = week - 1 == 1 ? 0 : 1 - (week - 1);
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(5, mondayPlus - 7);
Date monday = currentDate.getTime();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(monday);
}
public static String getPreWeekLastDay() {
Calendar cd = Calendar.getInstance();
int week = cd.get(7) == 1 ? 8 : cd.get(7);
int mondayPlus = week - 1 == 1 ? 0 : 1 - (week - 1);
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(5, mondayPlus - 1);
Date monday = currentDate.getTime();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(monday);
}
public static String getNextWeekFirstDay() {
Calendar cd = Calendar.getInstance();
int week = cd.get(7) == 1 ? 8 : cd.get(7);
int mondayPlus = week - 1 == 1 ? 0 : 1 - (week - 1);
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(5, mondayPlus + 7);
Date monday = currentDate.getTime();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(monday);
}
public static String getNextWeekLastDay() {
Calendar cd = Calendar.getInstance();
int week = cd.get(7) == 1 ? 8 : cd.get(7);
int mondayPlus = week - 1 == 1 ? 0 : 1 - (week - 1);
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(5, mondayPlus + 7 + 6);
Date monday = currentDate.getTime();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(monday);
}
public static String getWeekFirstDay() {
Calendar cd = Calendar.getInstance();
int week = cd.get(7) == 1 ? 8 : cd.get(7);
int mondayPlus = week - 1 == 1 ? 0 : 1 - (week - 1);
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(5, mondayPlus);
Date monday = currentDate.getTime();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(monday);
}
public static String getWeekLastDay() {
Calendar cd = Calendar.getInstance();
int week = cd.get(7) == 1 ? 8 : cd.get(7);
int mondayPlus = week - 1 == 1 ? 0 : 1 - (week - 1);
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(5, mondayPlus + 6);
Date monday = currentDate.getTime();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(monday);
}
public static String getPreMonthFirstDay() {
String str = "";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar lastDate = Calendar.getInstance();
lastDate.set(5, 1);
lastDate.add(2, -1);
str = sdf.format(lastDate.getTime());
return str;
}
public static String getPreMonthLastDay() {
String str = "";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar lastDate = Calendar.getInstance();
lastDate.add(2, -1);
lastDate.set(5, 1);
lastDate.roll(5, -1);
str = sdf.format(lastDate.getTime());
return str;
}
public static String getMonthFirstDay() {
String str = "";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar lastDate = Calendar.getInstance();
lastDate.set(5, 1);
str = sdf.format(lastDate.getTime());
return str;
}
public static String getMonthLastDay() {
String str = "";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar lastDate = Calendar.getInstance();
lastDate.set(5, 1);
lastDate.add(2, 1);
lastDate.add(5, -1);
str = sdf.format(lastDate.getTime());
return str;
}
public static String getNextMonthFirstDay() {
String str = "";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar lastDate = Calendar.getInstance();
lastDate.add(2, 1);
lastDate.set(5, 1);
str = sdf.format(lastDate.getTime());
return str;
}
public static String getNextMonthLastDay() {
String str = "";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar lastDate = Calendar.getInstance();
lastDate.add(2, 1);
lastDate.set(5, 1);
lastDate.roll(5, -1);
str = sdf.format(lastDate.getTime());
return str;
}
public static String getBeforeAfterDate(String dateTime, int day) {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
Date oldDate = null;
try {
df.setLenient(false);
oldDate = new Date(df.parse(dateTime).getTime());
} catch (ParseException var11) {
throw new RuntimeException("Time format[" + dateTime + "] is error ! format must be 'yyyy-MM-dd'!");
}
Calendar cal = new GregorianCalendar();
cal.setTime(oldDate);
int Year = cal.get(1);
int Month = cal.get(2);
int Day = cal.get(5);
int NewDay = Day + day;
cal.set(1, Year);
cal.set(2, Month);
cal.set(5, NewDay);
Date date = new Date(cal.getTimeInMillis());
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(date);
}
}
边栏推荐
- 解决远程rviz报错问题
- Make insurance more "safe"! Kirin Xin'an one cloud multi-core cloud desktop won the bid of China Life Insurance, helping the innovation and development of financial and insurance information technolog
- ant desgin 多选
- Is PMP beneficial to work? How to choose a reliable platform to make it easier to prepare for the exam!!!
- Policy mode - unity
- How to buy stocks on your mobile phone and open an account? Is it safe to open an account
- Pasqal首席技术官:模拟量子计算率先为工业带来量子优势
- 9 原子操作类之18罗汉增强
- Unable to link the remote redis server (solution 100%
- 我的创作纪念日
猜你喜欢
How to share the same storage among multiple kubernetes clusters
2022.07.05
超分辨率技术在实时音视频领域的研究与实践
Kunpeng developer summit 2022 | Kirin Xin'an and Kunpeng jointly build a new ecosystem of computing industry
杰理之关于 TWS 配对方式配置【篇】
PMP practice once a day | don't get lost in the exam -7.7
Tips and tricks of image segmentation summarized from 39 Kabul competitions
索引总结(突击版本)
Kirin Xin'an cloud platform is newly upgraded!
Matplotlib drawing 3D graphics
随机推荐
Kunpeng developer summit 2022 | Kirin Xin'an and Kunpeng jointly build a new ecosystem of computing industry
[tpm2.0 principle and Application guide] Chapter 9, 10 and 11
IP 工具类
State mode - Unity (finite state machine)
el-upload上传组件的动态添加;el-upload动态上传文件;el-upload区分文件是哪个组件上传的。
Netease Yunxin participated in the preparation of the standard "real time audio and video service (RTC) basic capability requirements and evaluation methods" issued by the Chinese Academy of Communica
R语言dplyr包mutate_at函数和min_rank函数计算dataframe中指定数据列的排序序号值、名次值、将最大值的rank值赋值为1
炒股如何开户?请问一下手机开户股票开户安全吗?
Version 2.0 of tapdata, the open source live data platform, has been released
Is AI more fair than people in the distribution of wealth? Research on multiplayer game from deepmind
网信办公布《数据出境安全评估办法》,9 月 1 日起施行
超分辨率技术在实时音视频领域的研究与实践
反爬虫的重点:识别爬虫
Download from MySQL official website: mysql8 for Linux X Version (Graphic explanation)
[HDU] 5248 sequence transformation (greedy + dichotomy) [recommended collection]
Hongmeng smart home [1.0]
[tpm2.0 principle and Application guide] Chapter 16, 17 and 18
位运算介绍
MySQL、sqlserver oracle数据库连接方式
What does "true" mean