使用 XLPagerTabStrip 在 children 之间传递数据

passing data between children using XLPagerTabStrip

我正在使用 https://github.com/xmartlabs/XLPagerTabStrip,我有 3 个 children ...我想将值从 child 传递到 child ..

我能够像这样将值从 parent 传递到第一个 child:

    let parentVC = self.parent as! ParentViewController
    mobile = parentVC.mobile

但现在我想将它从 child 1 传递到 child 2 .. 尝试了上面的方法,但我知道 mobile 是 nil

parent视图中的移动设备声明如下:

    var mobile = ""

如何在 children 之间传递数据?

       override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
    let child1 = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "cominfo")
    let child2 = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "comedu")
    let child3 = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "comcv")        
    return [child1,child2,child3]
}

override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
    let child1 = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "cominfo") as! yourChildClassname
    child1.mobile = self.mobile
    let child2 = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "comedu")as! yourChildClassname
    child2.mobile = self.mobile
    let child3 = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "comcv")  as! yourChildClassname
    child3.mobile = self.mobile       
return [child1,child2,child3]
 }