Swift 行数分段错误

我得了零分，我不知道为什么。每次我选择tableViewController1并执行一个序列时，它都会崩溃并将错误发送给tableViewController2。我为故事板中的每个tableViewController设置了标识符和类。我要做的是将数据从tableViewController1传递到tableViewController2

这是来自tableViewController1的

这是tableViewController2

---

}对不起，你的方法完全错了

与创建不等于segue目标控制器的MagazineTableViewController的新实例不同，您必须实现segue的preparefor并将数据传递给segue的destination属性

将didSelectRowAt更改为

像这样实现segue的preparefor

override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
    if segue.identifier.rawValue == "company" { 
      let destinationController = segue.destination as! MagazineTableViewController
      let indexPath = sender as! IndexPath
      destinationController.customInit(magazinesindex: indexPath.row, title: topics[indexPath.row])

    }
}

---

谢谢我完全忘了准备赛格

let MagazinesData = [//an array containing arrays of magazines]
var magazinesIndex: Int!

override func viewDidLoad() {
    super.viewDidLoad()

}

func customInit(magazinesindex: Int, title: String) {
    self.magazinesIndex = magazinesindex // this is where the error is
    self.title = title
}

override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return MagazinesData[magazinesIndex].count
}

override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath) as! MagazineTableViewCell
    cell.magazineTitle?.text = MagazinesData[magazinesIndex][indexPath.row]

    return cell
}

override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
    self.performSegue(withIdentifier: "company", sender: indexPath)
    tableView.deselectRow(at: indexPath, animated: true)
}

override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
    if segue.identifier.rawValue == "company" { 
      let destinationController = segue.destination as! MagazineTableViewController
      let indexPath = sender as! IndexPath
      destinationController.customInit(magazinesindex: indexPath.row, title: topics[indexPath.row])

    }
}