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在我的calendarViewController中,我想準備一個包含日期的數組。在我的模型中,我必須有可能的關係,一種藥物可以有多個服用避孕藥的日期。我怎樣才能通過這個集合來追加一個數組? 我的模型:循環通過核心數據關係
extension Medicine {
@NSManaged var amount: String?
@NSManaged var endDate: String?
@NSManaged var name: String?
@NSManaged var time: String?
@NSManaged var notificationSet: NSNumber?
@NSManaged var taken: NSOrderedSet?
}
型號日期
extension Dates {
@NSManaged var date: NSDate?
@NSManaged var takes: Medicine?
}
我想是這樣進行循環,而是這些日期,我想那些CoreData:
var dates = [NSDate(timeIntervalSinceNow: 60*60*24*2), NSDate(timeIntervalSinceNow: 60*60*24*3), NSDate(timeIntervalSinceNow: 60*60*24*5), NSDate(timeIntervalSinceNow: 60*60*24*7)]
func calendar(calendar: CKCalendarView!, configureDateItem dateItem: CKDateItem!, forDate date: NSDate!) {
for dateTaken in dates {
if calendar.date(date, isSameDayAsDate: dateTaken) {
dateItem.backgroundColor = UIColor.redColor()
}
}
}
請通過以下鏈接:http://www.raywenderlich.com/14742/core-data-on-ios-5-tutorial-how-to-work-with-relations-and-predicates它會有幫助爲你 –