java;gutter:true;
private long daysBeforeExpire() {
return daysBetween(System.currentTimeMillis(), getExpireDate().getTime());
}</p>
<pre><code>private long daysAfterProduce() {
return daysBetween(getProducedDate().getTime(), System.currentTimeMillis());
}
public static long daysBetween(long from, long to) {
long gap = to - from;
if (gap < 0) {
return -1;
}
return gap / (24 * 3600 * 1000);
}
</code></pre>
<p>
Original: https://www.cnblogs.com/apple2016/p/16524467.html
Author: 垄上行
Title: 【Java开发基础】计算两个毫秒之间相差多少天
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