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  • Calendar.getInstance()获取当天指定点上的时间

     

    ctoday.add(Calendar.DAY_OF_MONTH, 1); 明天时间

    //获得当天0点时间
    public static int 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 (int) (cal.getTimeInMillis()/1000);
    }
    //获得当天24点时间
    public static int 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 (int) (cal.getTimeInMillis()/1000);
    }
    //获得本周一0点时间
    public static int 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 (int) (cal.getTimeInMillis()/1000);
    }
    //获得本周日24点时间
    public static int getTimesWeeknight(){
    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 (int) ((cal.getTime().getTime()+ (7 * 24 * 60 * 60 * 1000))/1000);
    }
    //获得本月第一天0点时间
    public static int 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 (int) (cal.getTimeInMillis()/1000);
    }
    //获得本月最后一天24点时间
    public static int 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 (int) (cal.getTimeInMillis()/1000);
    }

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  • 原文地址:https://www.cnblogs.com/janeaiai/p/4973840.html
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