有没有最简单的方法可以找到本周的任何一天? (此函数返回 true 或 false,与给定日期是否在本周相关)。
您肯定想使用 Calendar 类:http://docs.oracle.com/javase/6/docs/api/java/util/Calendar.html http://docs.oracle.com/javase/6/docs/api/java/util/Calendar.html
这是一种方法:
public static boolean isDateInCurrentWeek(Date date) {
Calendar currentCalendar = Calendar.getInstance();
int week = currentCalendar.get(Calendar.WEEK_OF_YEAR);
int year = currentCalendar.get(Calendar.YEAR);
Calendar targetCalendar = Calendar.getInstance();
targetCalendar.setTime(date);
int targetWeek = targetCalendar.get(Calendar.WEEK_OF_YEAR);
int targetYear = targetCalendar.get(Calendar.YEAR);
return week == targetWeek && year == targetYear;
}
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