1.代碼
package com.zhaochao.utils;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class DataUill {
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("當天24點時間:" + getTimesnight().toLocaleString());
System.out.println("當前時間:" + new Date().toLocaleString());
System.out.println("當天0點時間:" + getTimesmorning().toLocaleString());
System.out.println("昨天0點時間:" + getYesterdaymorning().toLocaleString());
System.out.println("近7天時間:" + getWeekFromNow().toLocaleString());
System.out.println("本周周一0點時間:" + getTimesWeekmorning().toLocaleString());
System.out.println("本周周日24點時間:" + getTimesWeeknight().toLocaleString());
System.out.println("本月初0點時間:" + getTimesMonthmorning().toLocaleString());
System.out.println("本月未24點時間:" + getTimesMonthnight().toLocaleString());
System.out.println("上月初0點時間:" + getLastMonthStartMorning().toLocaleString());
System.out.println("本季度開始點時間:" + getCurrentQuarterStartTime().toLocaleString());
System.out.println("本季度結束點時間:" + getCurrentQuarterEndTime().toLocaleString());
System.out.println("本年開始點時間:" + getCurrentYearStartTime().toLocaleString());
System.out.println("本年結束點時間:" + getCurrentYearEndTime().toLocaleString());
System.out.println("上年開始點時間:" + getLastYearStartTime().toLocaleString());
}
// 獲得當天0點時間
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();
}
// 獲得昨天0點時間
public static Date getYesterdaymorning() {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(getTimesmorning().getTime()-3600*24*1000);
return cal.getTime();
}
// 獲得當天近7天時間
public static Date getWeekFromNow() {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis( getTimesmorning().getTime()-3600*24*1000*7);
return cal.getTime();
}
// 獲得當天24點時間
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();
}
// 獲得本周一0點時間
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();
}
// 獲得本周日24點時間
public static Date getTimesWeeknight() {
Calendar cal = Calendar.getInstance();
cal.setTime(getTimesWeekmorning());
cal.add(Calendar.DAY_OF_WEEK, 7);
return cal.getTime();
}
// 獲得本月第一天0點時間
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();
}
// 獲得本月最后一天24點時間
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();
}
public static Date getLastMonthStartMorning() {
Calendar cal = Calendar.getInstance();
cal.setTime(getTimesMonthmorning());
cal.add(Calendar.MONTH, -1);
return cal.getTime();
}
public static Date getCurrentQuarterStartTime() {
Calendar c = Calendar.getInstance();
int currentMonth = c.get(Calendar.MONTH) + 1;
SimpleDateFormat longSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
SimpleDateFormat shortSdf = new SimpleDateFormat("yyyy-MM-dd");
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;
}
/**
* 當前季度的結束時間,即2012-03-31 23:59:59
*
* @return
*/
public static Date getCurrentQuarterEndTime() {
Calendar cal = Calendar.getInstance();
cal.setTime(getCurrentQuarterStartTime());
cal.add(Calendar.MONTH, 3);
return cal.getTime();
}
public static Date getCurrentYearStartTime() {
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.YEAR));
return cal.getTime();
}
public static Date getCurrentYearEndTime() {
Calendar cal = Calendar.getInstance();
cal.setTime(getCurrentYearStartTime());
cal.add(Calendar.YEAR, 1);
return cal.getTime();
}
public static Date getLastYearStartTime() {
Calendar cal = Calendar.getInstance();
cal.setTime(getCurrentYearStartTime());
cal.add(Calendar.YEAR, -1);
return cal.getTime();
}
}
2.結果
當天24點時間:2015-1-18 0:00:00
當前時間:2015-1-17 10:50:57
當天0點時間:2015-1-17 0:00:00
昨天0點時間:2015-1-16 0:00:00
近7天時間:2015-1-10 0:00:00
本周周一0點時間:2015-1-12 0:00:00
本周周日24點時間:2015-1-19 0:00:00
本月初0點時間:2015-1-1 0:00:00
本月未24點時間:2015-2-1 0:00:00
上月初0點時間:2014-12-1 0:00:00
本季度開始點時間:2015-1-1 0:00:00
本季度結束點時間:2015-4-1 0:00:00
本年開始點時間:2015-1-1 0:00:00
本年結束點時間:2016-1-1 0:00:00
上年開始點時間:2014-1-1 0:00:00