给定当前日期和星期开始时间，获取星期开始和结束日期

试试这个（伪代码）：

// How many days gone after reference date (a known week-start date)daysGone  = today - referenceDate;// A new week starts after each 7 daysdayOfWeek = daysGone % 7;// Now, we know today is which day of the week.// We can find start & end days of this week with easeweekStart = today - dayOfWeek;weekEnd   = weekStart + 6;

现在，我们可以 将 所有这些 缩短 为两行：

weekStart = today - ((today - referenceDate) % 7);weekEnd   = weekStart + 6;

请注意， 我们减去了整数之类的日期值来显示算法。您必须正确编写Java代码。