java android 得到凌晨时间戳

final long ONE_DAY_MILLIS = 24 * 3600 * 1000L; long currMillis = System.currentTimeMillis(); long zeroMillis = (currMillis + TimeZone.getDefault().getRawOffset()) / ONE_DAY_MILLIS * ONE_DAY_MILLIS - TimeZone.getDefault().getRawOffset(); public static long getTodayZeroMillis() { long zeroMillis = (System.currentTimeMillis() + TimeZone.getDefault().getRawOffset()) / ONE_DAY_MILLIS * ONE_DAY_MILLIS - TimeZone.getDefault() .getRawOffset(); return zeroMillis; }