如何将数据从一个视图控制器的数组传递到另一个视图控制器?
FirstViewController
:
var myArray = ["some data"]
override func prepare(for segue: UIStoryboardSegue, sender: Any?){
let destinationVC = segue.destination as! SecondViewController
destinationVC.passedArray = myArray
}
SecondViewController
:
var passedArray = [String]()
override func viewDidLoad(){
super.viewDidLoad()
print(passedArray)
}
您可以尝试此数据传输解决方案。
在FirstViewController.swift中
let str = "Hello It's Done"
func callsecondViewController()
{
let controller = storyboard?.instantiateViewController(withIdentifier: "second") as! secondViewController
self.present(controller, animated: true, completion: nil)
}
func temp() -> NSString
{
return str as NSString
}
在SecondViewController.swift中
var data = [NSString]()
override func viewDidLoad()
{
super.viewDidLoad()
let view = ViewController()
data = [view.temp()]
print(data)
}
然后您得到输出字符串“ Hello It's Done”
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