【发布时间】:2016-07-05 22:11:00
【问题描述】:
import UIKit
class FirstViewController: UIViewController
{
@IBOutlet var Dishname: UILabel!
@IBOutlet var TEXT: UITextField!
@IBOutlet var recipy: UIView!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
let secondVC: SecondViewController = segue.destinationViewController as! SecondViewController
secondVC.items = TEXT.text! as? String //Error
// Cannot assign value of type 'String?' to type '[String]'
}
【问题讨论】:
-
if let text = TEXT.text { secondVC.items.append(text) }. -
是的,看起来 SecondViewController.items 是一个字符串数组,而您正在向它传递一个可选字符串。请为 SecondViewController 发布您的代码。我假设您正在初始化 SecondViewController.items?如果是这样,您可以按照@Eendje 的建议进行操作。