let genderText = gender.selectedSegmentIndex==0 ? "高富帅": "白富美"

        let hasPropertyText = hasProperty.on ? "有房": "没房"

        // get the age

        let gregorian = NSCalendar(calendarIdentifier: NSCalendarIdentifierGregorian)

        let now = NSDate()

        let components = gregorian?.components(NSCalendarUnit.YearCalendarUnit, fromDate: birthday.date, toDate: now, options: NSCalendarOptions(0))

        let age = components?.year

        result.text = "\(name.text), \(age!)岁, \(genderText), 身高\(height.text!), \(hasPropertyText), 求交往！"

在 let components = gregorian?.components(NSCalendarUnit.YearCalendarUnit, fromDate: birthday.date, toDate: now, options: NSCalendarOptions(0)) 这里  报错 extra argument  "toDate" in call