已知两个时间、得出相差几天

// 取得两个日期之间的相差多少天   
public static long getDaysBetween(Date date0, Date date1) {   long daysBetween = (date0.getTime() - date1.getTime() + 1000000) / 86400000;// 86400000=3600*24*1000 用立即数,减少乘法计算的开销   return daysBetween;   }

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转载自blog.csdn.net/qq_43420577/article/details/84495697