package com.date.util;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class DateUtil {
// 获得当天0点时间
public static Date getTimesmorning() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal.getTime();
}
// 获得当天24点时间
public static Date getTimesnight() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 24);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal.getTime();
}
// 获得本周一0点时间
public static Date getTimesWeekmorning() {
Calendar cal = Calendar.getInstance();
cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),
cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
return cal.getTime();
}
// 获得本周日24点时间
public static Date getTimesWeeknight() {
Calendar cal = Calendar.getInstance();
cal.setTime(getTimesWeekmorning());
cal.add(Calendar.DAY_OF_WEEK, 7);
return cal.getTime();
}
// 获得本周开始时间
public static Date getTimesWeekStart() {
Calendar cal = Calendar.getInstance();
cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),
cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
return cal.getTime();
}
// 获得本周结束时间
public static Date getTimesWeekEed() {
Calendar cal = Calendar.getInstance();
cal.setTime(getTimesWeekmorning());
cal.add(Calendar.DAY_OF_WEEK, 7);
return cal.getTime();
}
// 获得本月第一天0点时间
public static Date getTimesMonthmorning() {
Calendar cal = Calendar.getInstance();
cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),
cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
cal.set(Calendar.DAY_OF_MONTH,
cal.getActualMinimum(Calendar.DAY_OF_MONTH));
return cal.getTime();
}
// 获得本月最后一天24点时间
public static Date getTimesMonthnight() {
Calendar cal = Calendar.getInstance();
cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),
cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
cal.set(Calendar.DAY_OF_MONTH,
cal.getActualMaximum(Calendar.DAY_OF_MONTH));
cal.set(Calendar.HOUR_OF_DAY, 24);
return cal.getTime();
}
/**
* 当前季度的开始时间
* @return
*/
public static Date getCurrentQuarterStartTime() {
Calendar cal = Calendar.getInstance();
int currentMonth = cal.get(Calendar.MONTH)+1;
Date now = null;
Integer month = null;
try {
if (currentMonth >= 1 && currentMonth <= 3)
month =1;
else if (currentMonth >= 4 && currentMonth <= 6)
month =4;
else if (currentMonth >= 7 && currentMonth <= 9)
month =7;
else if (currentMonth >= 10 && currentMonth <= 12)
month =10;
cal.set(cal.get(Calendar.YEAR), month-1, 1, 0, 0, 0);
now = cal.getTime();
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前季度的结束时间
*
* @return
*/
public static Date getCurrentQuarterEndTime() {
Calendar cal = Calendar.getInstance();
int currentMonth = cal.get(Calendar.MONTH) + 1;
Date now = null;
try {
if (currentMonth >= 1 && currentMonth <= 3) {
cal.set(cal.get(Calendar.YEAR), 2, 31, 23, 59, 59);
} else if (currentMonth >= 4 && currentMonth <= 6) {
cal.set(cal.get(Calendar.YEAR), 5, 30, 23, 59, 59);
} else if (currentMonth >= 7 && currentMonth <= 9) {
cal.set(cal.get(Calendar.YEAR), 8, 30, 23, 59, 59);
} else if (currentMonth >= 10 && currentMonth <= 12) {
cal.set(cal.get(Calendar.YEAR), 11, 31, 23, 59, 59);
}
now = cal.getTime();
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
public static String getFormatDate(Date d, String formatString){
String currentDate = "";
SimpleDateFormat format1 = new SimpleDateFormat(formatString);
currentDate = format1.format(d);
return currentDate;
}
public static String getCurrentDate(){
return getFormatDate(new Date(), "yyyy-MM-dd");
}
public static String getCurrentYear(){
return getFormatDate(new Date(), "yyyy");
}
public static String getCurrentMonth(){
return getFormatDate(new Date(), "MM");
}
public static String getFormateDateAll(){
return getFormatDate(new Date(), "yyyy-MM-dd HH:mm:ss");
}
public static String getFormateDateSimple(){
return getFormatDate(new Date(), "yyyyMMddHHmmss");
}
public static Date getDateAfterDay(Date d, int day){
Calendar now = Calendar.getInstance();
now.setTime(d);
now.set(5, now.get(5) + day);
return now.getTime();
}
public static Date getDateAfterHour(Date d, int hour){
Calendar now = Calendar.getInstance();
now.setTime(d);
now.set(10, now.get(10) + hour);
return now.getTime();
}
public static Date getDateAfterMinute(Date d, int minutes){
Calendar now = Calendar.getInstance();
now.setTime(d);
now.set(12, now.get(12) + minutes);
return now.getTime();
}
public static Date getDateAfterSecond(Date d, int second){
Calendar now = Calendar.getInstance();
now.setTime(d);
now.set(13, now.get(13) + second);
return now.getTime();
}
public static boolean dateCompare(Date date1, Date date2){
boolean dateComPareFlag = true;
if (date2.compareTo(date1) != 1) {
dateComPareFlag = false;
}
return dateComPareFlag;
}
public static long dateMinus(Date startTime, Date endTime){
return endTime.getTime() - startTime.getTime();
}
public static String time(String startTime, String endTime) throws ParseException{
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date outdate = sdf.parse(endTime);
Date indate = sdf.parse(startTime);
long totalhours = (outdate.getTime() - indate.getTime()) / 3600000L;
long totalminutes = (outdate.getTime() - indate.getTime()) / 60000L - totalhours * 60L;
long totalseconds = (outdate.getTime() - indate.getTime()) / 1000L - totalminutes * 60L;
String total_time = totalhours + "时" + totalminutes + "分" + totalseconds + "秒";
return total_time;
}
public static String examRemainTime(String startTime, String endTime) throws ParseException{
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date outdate = sdf.parse(endTime);
Date indate = sdf.parse(startTime);
long totalminutes = (outdate.getTime() - indate.getTime()) / 60000L;
long totalseconds = (outdate.getTime() - indate.getTime()) / 1000L - totalminutes * 60L;
String remainTime = totalminutes + "#" + totalseconds;
return remainTime;
}
public static Date getFormatStr(String dateStr, String formatString) {
SimpleDateFormat format1 = new SimpleDateFormat(formatString);
Date date = null;
try {
date = format1.parse(dateStr);
}
catch (ParseException e) {
e.printStackTrace();
}
return date;
}
@SuppressWarnings("deprecation")
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("当前时间："+ new Date().toLocaleString());
System.out.println("当天0点时间："+ getTimesmorning().toLocaleString());
System.out.println("当天24点时间："+ getTimesnight().toLocaleString());
System.out.println("本周周一0点时间："+ getTimesWeekmorning().toLocaleString());
System.out.println("本周周日24点时间："+ getTimesWeeknight().toLocaleString());
System.out.println("本月初0点时间："+ getTimesMonthmorning().toLocaleString());
System.out.println("本月未24点时间："+ getTimesMonthnight().toLocaleString());
System.out.println("本周周一0点时间："+ getTimesWeekStart().toLocaleString());
System.out.println("本周周日24点时间："+ getTimesWeekEed().toLocaleString());
System.out.println("本季度开始时间："+ getCurrentQuarterStartTime().toLocaleString());
System.out.println("本季度结束时间："+ getCurrentQuarterEndTime().toLocaleString());
}
}
