Question

我在尝试从父视图控制器访问.xib文件中的元素时遇到问题。我的代码如下：

GraphScrollViewController.swift

RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap(1800, 1200, 192d, 192d, PixelFormats.Pbgra32);

RecentWeekGraphViewController.swift

class GraphScrollViewController: UIViewController {

    var graphScrollMenu: CAPSPageMenu?
    var controllerArray: [UIViewController] = []

    override func viewDidLoad() {
        super.viewDidLoad()

        var weekViewController : RecentWeekGraphViewController = RecentWeekGraphViewController(nibName: "RecentRulesWeekGraphViewController", bundle: nil)
        weekViewController.title = "Week"
        controllerArray.append(weekViewController)

        var monthViewController : RecentMonthGraphViewController = RecentMonthGraphViewController(nibName: "RecentMonthGraphViewController", bundle: nil)
        monthViewController.title = "Month"
        controllerArray.append(monthViewController)

        var parameters: [CAPSPageMenuOption] = [
            .ScrollMenuBackgroundColor(UIColor(red: 255.0/255.0, green: 255.0/255.0, blue: 255.0/255.0, alpha: 0)),
            .ViewBackgroundColor(UIColor(red: 255.0/255.0, green: 255.0/255.0, blue: 255.0/255.0, alpha: 0)),
            .SelectionIndicatorColor(UIColor(red: 255.0/255.0, green: 255.0/255.0, blue: 255.0/255.0, alpha: 1)),
            .BottomMenuHairlineColor(UIColor(red: 255.0/255.0, green: 255.0/255.0, blue: 255.0/255.0, alpha: 0)),
            .UnselectedMenuItemLabelColor(UIColor(red: 255.0/255.0, green: 255.0/255.0, blue: 255.0/255.0, alpha: 0.5)),
            .MenuItemFont(UIFont(name: "Avenir-Book", size: 15.0)!),
            .MenuHeight(40.0),
            .MenuItemWidth(90.0),
            .CenterMenuItems(true)
        ]

        graphScrollMenu = CAPSPageMenu(viewControllers: controllerArray, frame: CGRectMake(0.0, 0.0, self.view.frame.width, self.view.frame.height), pageMenuOptions: parameters)
        self.view.addSubview(graphScrollMenu!.view)
    }

}

当我尝试使用weekViewController.xibTestLabel.text =＆＃34时，从GraphScrollView.swift设置xibTestLabel文本;一些文字＆＃34;我明白了：

class RecentWeekGraphViewController: UIViewController {

    @IBOutlet weak var xibTestLabel: UILabel!

    override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: NSBundle?) {
        super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
    }

    required init(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
    }

    override func viewDidLoad() {
        super.viewDidLoad()
    }

}

我的网点似乎都连接正确。

由于

Answer 1

在Xcode7 beta 4中测试过。创建一个字符串变量并从外部分配值并在viewdidload

上设置它

var weekViewController : RecentWeekGraphViewController = RecentWeekGraphViewController(nibName: "RecentRulesWeekGraphViewController", bundle: nil)
        weekViewController.title = "Week"
weekViewController.labeltext = "Title"

在RecentWeekGraphViewController.swift

中

 var labeltext: String!
    override func viewDidLoad() {
        super.viewDidLoad()
 self.labelTitle.text = labeltext
        // Do any additional setup after loading the view.
    }

问题是IBOutlet在呈现viewcontroller时会连接。如果要直接访问IBOutlet，可以在presentViewController内部完成处理程序

  self.presentViewController(weekViewController, animated: true, completion: {         weekViewController.labelTitle.text = "title two"
});

无法在父文件中设置.xib文件中的标签文本 - Swift

1 个答案: