ViewController
@IBAction func didClicked(sender: AnyObject) {
let secondCtrl = SecondViewController()
secondCtrl.handleClick = {
print("点击了第二个页面", $0)
}
secondCtrl.fetchData = {
return "第一个页面的数据"
}
self.presentViewController(secondCtrl, animated: true, completion: nil)
}
SecondViewController
class SecondViewController: UIViewController {
var handleClick: ((data: String) -> Void)?
var fetchData: (() -> String)?
override func viewDidLoad() {
super.viewDidLoad()
if let fetch = fetchData {
let s = fetch()
print("从第一个页面到第二个", s)
}
self.view.backgroundColor = UIColor.purpleColor()
}
override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
//触摸开始
if let click = handleClick {
click(data: "从第二个到第一个")
}
self.dismissViewControllerAnimated(true, completion: nil)
}
}
