Swift 弹出窗口中的表格视图不显示数据

Question

我正在尝试设置一个包含文本字段和表格视图的弹出视图，但我无法让表格视图显示数据。如果你能帮助我，我将不胜感激。

在主ViewController上，我放了一个标签来触发popover的segue，

import UIKit

class ViewController: UIViewController, UIPopoverPresentationControllerDelegate {

@IBOutlet weak var textField: UITextField!


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.
}

@IBAction func popover(sender: AnyObject) {
    self.performSegueWithIdentifier("ShowDetails", sender: self)
}

override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {        
    if segue.identifier == "ShowDetails" {
        if let controller = segue.destinationViewController as? UIViewController {
            controller.popoverPresentationController!.delegate = self
            controller.preferredContentSize = CGSize(width: 320, height: 50)
        }
    }

}
func adaptivePresentationStyleForPresentationController(controller: UIPresentationController) -> UIModalPresentationStyle {
    return .None
}
}

为原型单元设置了 PopoverCell，

    import UIKit

class PopoverCellTableViewCell: UITableViewCell {


@IBOutlet weak var AreaCellLabel: UILabel!

override func awakeFromNib() {
    super.awakeFromNib()
    // Initialization code
}

override func setSelected(selected: Bool, animated: Bool) {
    super.setSelected(selected, animated: animated)

    // Configure the view for the selected state
}
}

为弹出窗口本身设置了一个 PopoverControllerView。

import UIKit

class PopoverViewController: UIViewController, UITextFieldDelegate, UITableViewDataSource, UITableViewDelegate {

var areas = [Area]()

   // @IBOutlet weak var NewArea: UITextField!

   // @IBOutlet weak var SaveNewArea: UIButton!
      @IBOutlet weak var subtableView: UITableView!


override func viewDidLoad() {

subtableView.dataSource = self
subtableView.delegate = self

super.viewDidLoad()

LoadsampleArea()

// Do any additional setup after loading the view.
}

func LoadsampleArea () {

let area1 = Area(AreaName:"Moountain")!
let area2 = Area(AreaName:"ByHill")!
let area3 = Area(AreaName:"Yard")!

areas += [area1, area2, area3]

}

override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}

func numberOfSectionsInTableView(tableView: UITableView) -> Int {
    return 1
}

  func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return areas.count
}

  func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
    // Table view cells are reused and should be dequeued using a     cell identifier.
    let cellIdentifier = "AreaCell"
    let cell = tableView.dequeueReusableCellWithIdentifier(cellIdentifier, forIndexPath: indexPath) as! PopoverCellTableViewCell

let area = areas[indexPath.row]

cell.AreaCellLabel.text = area.AreaName
dismissViewControllerAnimated(true, completion:nil)
return cell
}

}

和一个简单的数据文件来放置数据。

import UIKit

class Area {

var AreaName: String

init? (AreaName: String) {
self.AreaName = AreaName

    if AreaName.isEmpty {
    return nil
    }

}
}

Answer 1

您的 UITableView 对象在您的 PopoverViewController class 中在哪里？我看不到任何参考。

也许你没有复制粘贴它，因为文本字段也被注释了，在这种情况下，我建议检查是否设置了委托数据源属性。

Swift 弹出窗口中的表格视图不显示数据

Swift tableview in popover doesn't show data

uitableview

popover

ios

swift2