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如何解决此问题?无法使用类型为'(NSData)'的参数列表调用'stringFromDate'
符合NUM它表明我这个错误
let today = NSData() let formatter = NSDateFormatter() formatter.dateFormat = "dd-MMM-yyyy" var newTask = NSEntityDescription.insertNewObjectForEntityForName("Tasks", inManagedObjectContext: context) as! NSManagedObject newTask.setValue(formatter.stringFromDate(today), forKey: "taskDate")
错字?你是不是指'今天= NSDate()'而不是'NSData()'? – vacawama
更改let today = NSData()让今天= NSDate() –