获取当前时间的天、周、月、季度、半年度、年度开始和结束时间
2015-05-27 13:46
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package com.dada.test;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class TestDate {
public static void main(String[] args) {
System.out.println("当前小时开始："+getCurrentHourStartTime().toString());
System.out.println("当前小时结束："+getCurrentHourEndTime().toString());
System.out.println("当前天开始："+getCurrentDayStartTime().toString());
System.out.println("当前天时结束："+getCurrentDayEndTime().toString());
System.out.println("当前周开始："+getCurrentWeekDayStartTime().toString());
System.out.println("当前周结束："+getCurrentWeekDayEndTime().toString());
System.out.println("当前月开始："+getCurrentMonthStartTime().toString());
System.out.println("当前月结束："+getCurrentMonthEndTime().toString());
System.out.println("当前季度开始："+getCurrentQuarterStartTime().toString());
System.out.println("当前季度结束："+getCurrentQuarterEndTime().toString());
System.out.println("当前半年/后半年开始："+getHalfYearStartTime().toString());
System.out.println("当前半年/后半年结束："+getHalfYearEndTime().toString());
System.out.println("当前年开始："+getCurrentYearStartTime().toString());
System.out.println("当前年结束："+getCurrentYearEndTime().toString());
}
/**
* 获取 当前年、半年、季度、月、日、小时 开始结束时间
*/
private final static SimpleDateFormat shortSdf = new SimpleDateFormat("yyyy-MM-dd");
private final static SimpleDateFormat longHourSdf = new SimpleDateFormat("yyyy-MM-dd HH");;
private final static SimpleDateFormat longSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");;
/**
* 获得本周的第一天，周一
*
* @return
*/
public static Date getCurrentWeekDayStartTime() {
Calendar c = Calendar.getInstance();
try {
int weekday = c.get(Calendar.DAY_OF_WEEK) - 2;
c.add(Calendar.DATE, -weekday);
c.setTime(longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00"));
} catch (Exception e) {
e.printStackTrace();
}
return c.getTime();
}
/**
* 获得本周的最后一天，周日
*
* @return
*/
public static Date getCurrentWeekDayEndTime() {
Calendar c = Calendar.getInstance();
try {
int weekday = c.get(Calendar.DAY_OF_WEEK);
c.add(Calendar.DATE, 8 - weekday);
c.setTime(longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59"));
} catch (Exception e) {
e.printStackTrace();
}
return c.getTime();
}
/**
* 获得本天的开始时间，即2012-01-01 00:00:00
*
* @return
*/
public static Date getCurrentDayStartTime() {
Date now = new Date();
try {
now = shortSdf.parse(shortSdf.format(now));
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获得本天的结束时间，即2012-01-01 23:59:59
*
* @return
*/
public static Date getCurrentDayEndTime() {
Date now = new Date();
try {
now = longSdf.parse(shortSdf.format(now) + " 23:59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获得本小时的开始时间，即2012-01-01 23:59:59
*
* @return
*/
public static Date getCurrentHourStartTime() {
Date now = new Date();
try {
now = longHourSdf.parse(longHourSdf.format(now));
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获得本小时的结束时间，即2012-01-01 23:59:59
*
* @return
*/
public static Date getCurrentHourEndTime() {
Date now = new Date();
try {
now = longSdf.parse(longHourSdf.format(now) + ":59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获得本月的开始时间，即2012-01-01 00:00:00
*
* @return
*/
public static Date getCurrentMonthStartTime() {
Calendar c = Calendar.getInstance();
Date now = null;
try {
c.set(Calendar.DATE, 1);
now = shortSdf.parse(shortSdf.format(c.getTime()));
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前月的结束时间，即2012-01-31 23:59:59
*
* @return
*/
public static Date getCurrentMonthEndTime() {
Calendar c = Calendar.getInstance();
Date now = null;
try {
c.set(Calendar.DATE, 1);
c.add(Calendar.MONTH, 1);
c.add(Calendar.DATE, -1);
now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前年的开始时间，即2012-01-01 00:00:00
*
* @return
*/
public static Date getCurrentYearStartTime() {
Calendar c = Calendar.getInstance();
Date now = null;
try {
c.set(Calendar.MONTH, 0);
c.set(Calendar.DATE, 1);
now = shortSdf.parse(shortSdf.format(c.getTime()));
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前年的结束时间，即2012-12-31 23:59:59
*
* @return
*/
public static Date getCurrentYearEndTime() {
Calendar c = Calendar.getInstance();
Date now = null;
try {
c.set(Calendar.MONTH, 11);
c.set(Calendar.DATE, 31);
now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前季度的开始时间，即2012-01-1 00:00:00
*
* @return
*/
public static Date getCurrentQuarterStartTime() {
Calendar c = Calendar.getInstance();
int currentMonth = c.get(Calendar.MONTH) + 1;
Date now = null;
try {
if (currentMonth >= 1 && currentMonth <= 3)
c.set(Calendar.MONTH, 0);
else if (currentMonth >= 4 && currentMonth <= 6)
c.set(Calendar.MONTH, 3);
else if (currentMonth >= 7 && currentMonth <= 9)
c.set(Calendar.MONTH, 4);
else if (currentMonth >= 10 && currentMonth <= 12)
c.set(Calendar.MONTH, 9);
c.set(Calendar.DATE, 1);
now = longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前季度的结束时间，即2012-03-31 23:59:59
*
* @return
*/
public static Date getCurrentQuarterEndTime() {
Calendar c = Calendar.getInstance();
int currentMonth = c.get(Calendar.MONTH) + 1;
Date now = null;
try {
if (currentMonth >= 1 && currentMonth <= 3) {
c.set(Calendar.MONTH, 2);
c.set(Calendar.DATE, 31);
} else if (currentMonth >= 4 && currentMonth <= 6) {
c.set(Calendar.MONTH, 5);
c.set(Calendar.DATE, 30);
} else if (currentMonth >= 7 && currentMonth <= 9) {
c.set(Calendar.MONTH, 8);
c.set(Calendar.DATE, 30);
} else if (currentMonth >= 10 && currentMonth <= 12) {
c.set(Calendar.MONTH, 11);
c.set(Calendar.DATE, 31);
}
now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获取前/后半年的开始时间
*
* @return
*/
public static Date getHalfYearStartTime() {
Calendar c = Calendar.getInstance();
int currentMonth = c.get(Calendar.MONTH) + 1;
Date now = null;
try {
if (currentMonth >= 1 && currentMonth <= 6) {
c.set(Calendar.MONTH, 0);
} else if (currentMonth >= 7 && currentMonth <= 12) {
c.set(Calendar.MONTH, 6);
}
c.set(Calendar.DATE, 1);
now = longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获取前/后半年的结束时间
*
* @return
*/
public static Date getHalfYearEndTime() {
Calendar c = Calendar.getInstance();
int currentMonth = c.get(Calendar.MONTH) + 1;
Date now = null;
try {
if (currentMonth >= 1 && currentMonth <= 6) {
c.set(Calendar.MONTH, 5);
c.set(Calendar.DATE, 30);
} else if (currentMonth >= 7 && currentMonth <= 12) {
c.set(Calendar.MONTH, 11);
c.set(Calendar.DATE, 31);
}
now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
}
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class TestDate {
public static void main(String[] args) {
System.out.println("当前小时开始："+getCurrentHourStartTime().toString());
System.out.println("当前小时结束："+getCurrentHourEndTime().toString());
System.out.println("当前天开始："+getCurrentDayStartTime().toString());
System.out.println("当前天时结束："+getCurrentDayEndTime().toString());
System.out.println("当前周开始："+getCurrentWeekDayStartTime().toString());
System.out.println("当前周结束："+getCurrentWeekDayEndTime().toString());
System.out.println("当前月开始："+getCurrentMonthStartTime().toString());
System.out.println("当前月结束："+getCurrentMonthEndTime().toString());
System.out.println("当前季度开始："+getCurrentQuarterStartTime().toString());
System.out.println("当前季度结束："+getCurrentQuarterEndTime().toString());
System.out.println("当前半年/后半年开始："+getHalfYearStartTime().toString());
System.out.println("当前半年/后半年结束："+getHalfYearEndTime().toString());
System.out.println("当前年开始："+getCurrentYearStartTime().toString());
System.out.println("当前年结束："+getCurrentYearEndTime().toString());
}
/**
* 获取 当前年、半年、季度、月、日、小时 开始结束时间
*/
private final static SimpleDateFormat shortSdf = new SimpleDateFormat("yyyy-MM-dd");
private final static SimpleDateFormat longHourSdf = new SimpleDateFormat("yyyy-MM-dd HH");;
private final static SimpleDateFormat longSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");;
/**
* 获得本周的第一天，周一
*
* @return
*/
public static Date getCurrentWeekDayStartTime() {
Calendar c = Calendar.getInstance();
try {
int weekday = c.get(Calendar.DAY_OF_WEEK) - 2;
c.add(Calendar.DATE, -weekday);
c.setTime(longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00"));
} catch (Exception e) {
e.printStackTrace();
}
return c.getTime();
}
/**
* 获得本周的最后一天，周日
*
* @return
*/
public static Date getCurrentWeekDayEndTime() {
Calendar c = Calendar.getInstance();
try {
int weekday = c.get(Calendar.DAY_OF_WEEK);
c.add(Calendar.DATE, 8 - weekday);
c.setTime(longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59"));
} catch (Exception e) {
e.printStackTrace();
}
return c.getTime();
}
/**
* 获得本天的开始时间，即2012-01-01 00:00:00
*
* @return
*/
public static Date getCurrentDayStartTime() {
Date now = new Date();
try {
now = shortSdf.parse(shortSdf.format(now));
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获得本天的结束时间，即2012-01-01 23:59:59
*
* @return
*/
public static Date getCurrentDayEndTime() {
Date now = new Date();
try {
now = longSdf.parse(shortSdf.format(now) + " 23:59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获得本小时的开始时间，即2012-01-01 23:59:59
*
* @return
*/
public static Date getCurrentHourStartTime() {
Date now = new Date();
try {
now = longHourSdf.parse(longHourSdf.format(now));
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获得本小时的结束时间，即2012-01-01 23:59:59
*
* @return
*/
public static Date getCurrentHourEndTime() {
Date now = new Date();
try {
now = longSdf.parse(longHourSdf.format(now) + ":59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获得本月的开始时间，即2012-01-01 00:00:00
*
* @return
*/
public static Date getCurrentMonthStartTime() {
Calendar c = Calendar.getInstance();
Date now = null;
try {
c.set(Calendar.DATE, 1);
now = shortSdf.parse(shortSdf.format(c.getTime()));
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前月的结束时间，即2012-01-31 23:59:59
*
* @return
*/
public static Date getCurrentMonthEndTime() {
Calendar c = Calendar.getInstance();
Date now = null;
try {
c.set(Calendar.DATE, 1);
c.add(Calendar.MONTH, 1);
c.add(Calendar.DATE, -1);
now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前年的开始时间，即2012-01-01 00:00:00
*
* @return
*/
public static Date getCurrentYearStartTime() {
Calendar c = Calendar.getInstance();
Date now = null;
try {
c.set(Calendar.MONTH, 0);
c.set(Calendar.DATE, 1);
now = shortSdf.parse(shortSdf.format(c.getTime()));
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前年的结束时间，即2012-12-31 23:59:59
*
* @return
*/
public static Date getCurrentYearEndTime() {
Calendar c = Calendar.getInstance();
Date now = null;
try {
c.set(Calendar.MONTH, 11);
c.set(Calendar.DATE, 31);
now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前季度的开始时间，即2012-01-1 00:00:00
*
* @return
*/
public static Date getCurrentQuarterStartTime() {
Calendar c = Calendar.getInstance();
int currentMonth = c.get(Calendar.MONTH) + 1;
Date now = null;
try {
if (currentMonth >= 1 && currentMonth <= 3)
c.set(Calendar.MONTH, 0);
else if (currentMonth >= 4 && currentMonth <= 6)
c.set(Calendar.MONTH, 3);
else if (currentMonth >= 7 && currentMonth <= 9)
c.set(Calendar.MONTH, 4);
else if (currentMonth >= 10 && currentMonth <= 12)
c.set(Calendar.MONTH, 9);
c.set(Calendar.DATE, 1);
now = longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 当前季度的结束时间，即2012-03-31 23:59:59
*
* @return
*/
public static Date getCurrentQuarterEndTime() {
Calendar c = Calendar.getInstance();
int currentMonth = c.get(Calendar.MONTH) + 1;
Date now = null;
try {
if (currentMonth >= 1 && currentMonth <= 3) {
c.set(Calendar.MONTH, 2);
c.set(Calendar.DATE, 31);
} else if (currentMonth >= 4 && currentMonth <= 6) {
c.set(Calendar.MONTH, 5);
c.set(Calendar.DATE, 30);
} else if (currentMonth >= 7 && currentMonth <= 9) {
c.set(Calendar.MONTH, 8);
c.set(Calendar.DATE, 30);
} else if (currentMonth >= 10 && currentMonth <= 12) {
c.set(Calendar.MONTH, 11);
c.set(Calendar.DATE, 31);
}
now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获取前/后半年的开始时间
*
* @return
*/
public static Date getHalfYearStartTime() {
Calendar c = Calendar.getInstance();
int currentMonth = c.get(Calendar.MONTH) + 1;
Date now = null;
try {
if (currentMonth >= 1 && currentMonth <= 6) {
c.set(Calendar.MONTH, 0);
} else if (currentMonth >= 7 && currentMonth <= 12) {
c.set(Calendar.MONTH, 6);
}
c.set(Calendar.DATE, 1);
now = longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
/**
* 获取前/后半年的结束时间
*
* @return
*/
public static Date getHalfYearEndTime() {
Calendar c = Calendar.getInstance();
int currentMonth = c.get(Calendar.MONTH) + 1;
Date now = null;
try {
if (currentMonth >= 1 && currentMonth <= 6) {
c.set(Calendar.MONTH, 5);
c.set(Calendar.DATE, 30);
} else if (currentMonth >= 7 && currentMonth <= 12) {
c.set(Calendar.MONTH, 11);
c.set(Calendar.DATE, 31);
}
now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
} catch (Exception e) {
e.printStackTrace();
}
return now;
}
}
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