NSDateComponents weekOfYear返回错误的日期

NSDateComponents weekOfYear返回错误的日期

weekOfYear

与

yearForWeekOfYear

以下产品配合使用：

let calendar = NSCalendar.currentCalendar()let components = NSDateComponents()components.yearForWeekOfYear = 2015components.weekOfYear = 15print(calendar.dateFromComponents(components)!)// 2015-04-05 22:00:00 +0000

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更新 斯威夫特3 及更高版本：

let calendar = Calendar.currentvar components = DateComponents()components.yearForWeekOfYear = 2015components.weekOfYear = 15print(calendar.date(from: components)!)