[英]Passing data between View Controllers in Swift (From TableView to DetailViewController)
[英]Swift passing array between swift files for tableview
我在一个viewcontroller中有一个按钮动作连接到另一个tableviewcontroller。 我需要通过单击按钮传递一些textfields值以显示在另一个tableview中。 在第一个视图中,我有一个全局数组:
var estRent = [AnyObject]()
在buttonAction中追加值:
@IBAction func calculateButtonAction(sender: UIButton) {
...
estRent.append(weekRent)
estRent.append(monthRent)
estRent.append(yearRent)
estRent.append(interestRate)
estRent.append(loanAmount)
estRent.append(monthInterest)
}
覆盖prepareForSegue:
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject!) {
if (segue.identifier == "Load View") {
let svc = segue.destinationViewController as! NextTableViewController
svc.rentArray = self.estRent
}
}
在NextTableViewController中,有一个全局数组:
var rentArray = [AnyObject]()
下一个表视图无法看到数组中的值。 感谢任何帮助。
import UIKit
class ViewController: UIViewController {
@IBOutlet weak var nameTextField: UITextField!
@IBOutlet weak var ageTextField: UITextField!
@IBOutlet weak var classTextField: UITextField!
var estRent = [AnyObject]()
@IBAction func goButtonAction(sender: UIButton) {
estRent.append(nameTextField.text!)
estRent.append(ageTextField.text!)
estRent.append(classTextField.text!)
}
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func viewWillAppear(animated: Bool) {
super.viewWillAppear(animated)
[estRent .removeAll()]
}
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject!) {
print(estRent)
if (segue.identifier == "LoadView") {
let svc = segue.destinationViewController as! RentTableViewController
svc.rentArray = self.estRent
}
}
}
import UIKit
class RentTableViewController: UITableViewController {
var rentArray = [AnyObject]()
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 tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int{
return rentArray.count
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell{
tableView.registerClass(UITableViewCell.self, forCellReuseIdentifier: "studentCell")
let tableCell: UITableViewCell = tableView.dequeueReusableCellWithIdentifier("studentCell", forIndexPath: indexPath)
let rentLabel: UILabel = UILabel.init(frame: CGRectMake(10, 10, 100, 25))
rentLabel.text = rentArray[indexPath.row] as? String
tableCell.addSubview(rentLabel)
return tableCell
}
}
您必须在storyboard中将segue标识符指定为“LoadView”
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