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 the proxy method
// cellForRowAtIndexPath
