Calendar calendar = Calendar.getInstance(); calendar.add(Calendar.HOUR_OF_DAY, -2); Date time = calendar.getTime(); Calendar calendar = Calendar.getInstance(); calendar.add(Calendar.DATE, -1); String dateDay = dateFormat.format(calendar.getTime());
Calendar日历简单用法
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转载自www.cnblogs.com/mask-xiexie/p/10880599.html
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