java_獲取昨天開始和結束時間

1、獲取昨天的開始時間

public static Date getBeginDayOfYesterday() {
    Calendar cal = new GregorianCalendar();
    cal.setTime(getDayBegin());
    cal.add(Calendar.DAY_OF_MONTH, -1);
    return cal.getTime();
}

 

2、獲取昨天的結束時間

public static Date getEndDayOfYesterDay() {
    Calendar cal = new GregorianCalendar();
    cal.setTime(getDayEnd());
    cal.add(Calendar.DAY_OF_MONTH, -1);
    return cal.getTime();
}