database - “UITableView”无法从其数据源获取单元格

Question

我更新了 Xcode，从那以后我的数据库出现了问题。代码:

override func numberOfSections(in tableView: UITableView) -> Int {
    // return the number of sections
    return 1
}

override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int
{
    // return the number of rows
    return leadItems.count
}

func cellForRow(at indexPath: IndexPath) -> UITableViewCell?
{
    let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath) as! LeadsTableViewCell

    // Configure the cell...
    cell.user_name_label.text = leadItems[indexPath.row].user_name
    cell.school_name_label.text = leadItems[indexPath.row].school_name

    return cell
}

我得到的错误是:

Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'UITableView (; layer = ; contentOffset: {0, -64}; contentSize: {375, 65802}>) failed to obtain a cell from its dataSource ()

Answer 1

您的 cellForRow 方法名称不正确。

替换这一行

func cellForRow(at indexPath: IndexPath) -> UITableViewCell?
{

与

override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {