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);
                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();
        }
 
        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.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();
        }
 
}

　　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