Java获取当天、本周、本月、本季度、本年等 开始及结束时间

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("当天24点时间：" + getTimesnight().toLocaleString()); System.out.println("当前时间：" + new Date().toLocaleString()); System.out.println("当天0点时间：" + getTimesmorning().toLocaleString()); System.out.println("昨天0点时间：" + getYesterdaymorning().toLocaleString()); System.out.println("近7天时间：" + getWeekFromNow().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("上月初0点时间：" + getLastMonthStartMorning().toLocaleString()); System.out.println("本季度开始点时间：" + getCurrentQuarterStartTime().toLocaleString()); System.out.println("本季度结束点时间：" + getCurrentQuarterEndTime().toLocaleString()); System.out.println("本年开始点时间：" + getCurrentYearStartTime().toLocaleString()); System.out.println("本年结束点时间：" + getCurrentYearEndTime().toLocaleString()); System.out.println("上年开始点时间：" + getLastYearStartTime().toLocaleString()); } // 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(); } // 获得昨天0点时间
    public static Date getYesterdaymorning() { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(getTimesmorning().getTime()-3600*24*1000); return cal.getTime(); } // 获得当天近7天时间
    public static Date getWeekFromNow() { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis( getTimesmorning().getTime()-3600*24*1000*7); 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); 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); 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(); } // 获得本月第一天0点时间
    public static Date getTimesMonthmorning() { Calendar cal = Calendar.getInstance(); cal.set(cal.get(Calendar.YEAR),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.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; } /** * 当前季度的结束时间，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.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(); } }

输出结果：

当天24点时间：2015-1-18 0:00:00 当前时间：2015-1-17 10:50:57 当天0点时间：2015-1-17 0:00:00 昨天0点时间：2015-1-16 0:00:00 近7天时间：2015-1-10 0:00:00 本周周一0点时间：2015-1-12 0:00:00 本周周日24点时间：2015-1-19 0:00:00 本月初0点时间：2015-1-1 0:00:00 本月未24点时间：2015-2-1 0:00:00 上月初0点时间：2014-12-1 0:00:00 本季度开始点时间：2015-1-1 0:00:00 本季度结束点时间：2015-4-1 0:00:00 本年开始点时间：2015-1-1 0:00:00 本年结束点时间：2016-1-1 0:00:00 上年开始点时间：2014-1-1 0:00:00

本文摘自：https://blog.csdn.net/whzhaochao/article/details/40186805