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java后台获取不同时间的方法

2017-05-10 09:58 417 查看
 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();  

    }  

  //获取上个月开始时间

    public static Date getLastMonthStartMorning() {  

        Calendar cal = Calendar.getInstance();  

        cal.setTime(getTimesMonthmorning());  

        cal.add(Calendar.MONTH, -1);  

        return cal.getTime();  

    }  

  //获取本季度开始时间

    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();  

    }  

  

  //获取本年开始时间

    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();  

    }  

  //获取本年结束时间

    public static Date getCurrentYearEndTime() {  

        Calendar cal = Calendar.getInstance();  

        cal.setTime(getCurrentYearStartTime());  

        cal.add(Calendar.YEAR, 1);  

        return cal.getTime();  

    }  

  //获取去年的开始时间

    public static Date getLastYearStartTime() {  

        Calendar cal = Calendar.getInstance();  

        cal.setTime(getCurrentYearStartTime());  

        cal.add(Calendar.YEAR, -1);  

        return cal.getTime();  

    }  

  

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  
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标签:  java