在java.util.Date中，如何比较两个Date的大小，精确到分

Question

如题。。麻烦给位了

Answer 1

Date date1 = 。。。;
Date date2 = 。。。;
Calendar cal1 = Calendar.getInstance();
Calendar cal2 = Calendar.getInstance();
cal1.setTime(date1);
cal2.setTime(date2);
cal1.set(Calendar.SECOND, 0);
cal1.set(Calendar.MILLISECOND, 0);
cal2.set(Calendar.SECOND, 0);
cal2.set(Calendar.MILLISECOND, 0);
//cal1.before(....)
//cal1.compareTo(...)