0
class showPageViewController: UIViewController, UITableViewDelegate, UITableViewDataSource
{
@IBOutlet weak var tableView: UITableView!
var records : [Record] = []
func numberOfSections(in tableView: UITableView) -> Int {
return 1
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return records.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = UITableViewCell()
return cell
}
func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath){
let context = (UIApplication.shared.delegate as! AppDelegate).persistentContainer.viewContext
if editingStyle == .delete{
let record = records[indexPath.row]
context.delete(record)
(UIApplication.shared.delegate as! AppDelegate).saveContext()
do{
records = try context.fetch(Record.fetchRequest())
} catch{
print("Failed")
}
}
}
override func viewWillAppear(_ animated: Bool) {
getData()
tableView.reloadData()
}
func getData(){
let context = (UIApplication.shared.delegate as! AppDelegate).persistentContainer.viewContext
do{
records = try context.fetch(Record.fetchRequest())
} catch{
print("123")
}
}
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
大家好,我只是试图显示表视图的核心数据,我已经连接dataSource
和delegate
到ViewController
,和我确认有一些数据核心数据,任何人都可以帮助我PLZ?感谢无法显示在tableview中的核心数据斯威夫特
不,我可以构建应用程序并进行模拟,但只显示任何内容 –