import UIKit class ViewController:UIViewController,UITableViewDataSource { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view,typically from a nib. let screenRect = UIScreen.main.bounds let tableRect = CGRect(x:0, y:20, width: screenRect.size.width, height:screenRect.size.height - 20) let tableView = UITableView(frame:tableRect) tableView.dataSource = self self.view.addSubview(tableView) } func tableView(_ tableView:UITableView,numberOfRowsInSection section:Int) -> Int{ return 20 } func tableView(_ tableView:UITableView,cellForRowAt indexPath:IndexPath) -> UITableViewCell { let identifier = “reusedCell” var cell =tableView.dequeueReusableCell(withIdentifier:identifier) if(cell == nil) { cell = UITableViewCell(style:UITableViewCellStyle.default, reuseIdentifier:identifier) } cell?.textLabel?.text = “命运负责洗牌,玩牌的是我们自己!” return cell! } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } }
//UITableViewDatasource的代理方法
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// cellForRowAtIndexPath