问题描述
我是 iOS 新手,正在尝试从 selectedContact
输出数据。它适用于 addressLabel.text
但我不知道如何在表格视图中调用它?
class ContactDetailsVC: UITableViewController {
@IBOutlet var contactDetailsTableView: UITableView!
@IBOutlet var addressLabel: UILabel!
let context = (UIApplication.shared.delegate as! AppDelegate).persistentContainer.viewContext
var persons = [Persons]()
var selectedContact: Persons? {
didSet {
getContactDetails()
}
}
override func viewDidLoad() {
super.viewDidLoad()
title = "Contact Details"
navigationController?.navigationBar.prefersLargeTitles = true
contactDetailsTableView = selectedContact?. // <---- this line
addressLabel.text = ("Address \(selectedContact?.address ?? "")")
}
override func tableView(_ tableView: UITableView,numberOfRowsInSection section: Int) -> Int {
return 5
}
override func tableView(_ tableView: UITableView,cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "contactDetailsCell",for: indexPath)
cell.textLabel?.text = persons[indexPath.row].firstName! + "\n"
+ persons[indexPath.row].lastName! + "\n"
+ persons[indexPath.row].company! + "\n"
+ persons[indexPath.row].phone! + "\n"
+ persons[indexPath.row].email! + "\n"
return cell
}
}
解决方法
您应该使用以下委托方法:
func tableView(_ tableView: UITableView,didSelectRowAt indexPath: IndexPath) {
let selectedPerson = persons[indexPath.row]
// Here you can know what person was selected
}
,
感谢大家提供的所有线索。