线程 1：“-[UITableViewController loadView] 加载了 \"Bf3-ih-lsC-view-YnG-aC-da7\" nib，但没有得到 UITableView。”

Question

import UIKit
 
@UIApplicationMain

class AppDelegate: UIResponder, UIApplicationDelegate {
    
    var window: UIWindow?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        Model.shared.loadXMLFile(date: nil)
        Model.shared.parseXML()
        return true
    }

    // MARK: UISceneSession Lifecycle

    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
   
        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
    }

    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
    }


}

Answer 1

当您在情节提要中创建UITableViewController 时，其主视图必须是UITableView。当某些其他控制器类型更改为 UITableViewController 但其旧的主视图仍然存在时，通常会发生此错误。