我有一個類爲的UITableViewController的擴展:斯威夫特/ 6.4的XCode:從UITableViewController中類沒有初始化
import UIKit
class DetailsMyTasksViewController: UITableViewController {
@IBOutlet var backButton : UIButton!
var detailItem: Task
@IBAction func backToHome(sender : AnyObject) {
/*dispatch_async(dispatch_get_main_queue()){
self.performSegueWithIdentifier("selectedTasksToHome", sender: self)
}*/
}
override func viewDidLoad() {
super.viewDidLoad()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 11 /* number of Task information/attributes --> 11 rows */
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("SelectedMyTaskDetails", forIndexPath: indexPath) as! UITableViewCell
switch indexPath.row {
case 0:
cell.textLabel?.text = "Task id"
cell.detailTextLabel?.text = String(self.detailItem.id)
break
case 1:
cell.textLabel?.text = "Titolo"
cell.detailTextLabel?.text = self.detailItem.titolo
break
case 2:
cell.textLabel?.text = "Oggetto"
cell.detailTextLabel?.text = self.detailItem.oggetto
break
case 3:
cell.textLabel?.text = "Check mail abilitato"
if (self.detailItem.check_mail) {
cell.detailTextLabel?.text = "Abilitato"
}
else {
cell.detailTextLabel?.text = "Non abilitato"
}
break
case 4:
cell.textLabel?.text = "Progetto id"
cell.detailTextLabel?.text = String(self.detailItem.id_progetto)
break
case 5:
cell.textLabel?.text = "Progetto nome"
cell.detailTextLabel?.text = self.detailItem.progetto_nome
break
case 6:
cell.textLabel?.text = "Assegnato a"
cell.detailTextLabel?.text = self.detailItem.assegnato_a
break
case 7:
cell.textLabel?.text = "Richiesto da"
cell.detailTextLabel?.text = self.detailItem.richiesto_da
break
case 8:
cell.textLabel?.text = "Priorità"
cell.detailTextLabel?.text = self.detailItem.priorita
break
case 9:
cell.textLabel?.text = "Termine consegna"
var dateFormatter = NSDateFormatter()
dateFormatter.dateFormat = "yyyy-mm-dd"
cell.detailTextLabel?.text = dateFormatter.stringFromDate(self.detailItem.termine_consegna)
break
case 10:
cell.textLabel?.text = "Stato"
cell.detailTextLabel?.text = self.detailItem.stato
break
default:
break
}
return cell
}
}
我不知道問題出在哪裏,因爲我得到了錯誤的標題時,我嘗試編譯。此外,我有另一個類似於這個到另一個表視圖控制器,它的作品完美,也在該類沒有初始化。什麼問題沒有?
UPDATE 我不知道爲什麼,但我只是改變
var detailItem: Task
與
var detailItem: Task?
和它的作品。那是什麼?
謝謝你隊友,這對我更好理解是非常有啓發性和有用的。謝謝你的心:) –
沒問題我記得我第一次看到這個錯誤,並且不是真的瞭解它;) –