Swift 写个简单的UITableView

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import UIKit                                        //签协议class ViewController: UIViewController , UITableViewDataSource, UITableViewDelegate{    var myTableView :UITableView?    override func viewDidLoad() {        super.viewDidLoad()        // Do any additional setup after loading the view, typically from a nib.        //创建tableView的方法        createTableView()    }    //创建tableview    func createTableView() {        myTableView = UITableView.init(frame: UIScreen.mainScreen().bounds, style: UITableViewStyle.Plain)        myTableView?.delegate = self        myTableView?.dataSource = self        myTableView?.rowHeight = 100        //注册cell        myTableView?.registerClass(MyCell.self, forCellReuseIdentifier: "MyCell")        self.view.addSubview(myTableView!)    }    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {        let cell = tableView.dequeueReusableCellWithIdentifier("MyCell")        return cell!    }    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {        return 20    }    func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {        //点击cell  取消置灰        tableView.deselectRowAtIndexPath(indexPath, animated: true)    }    override func didReceiveMemoryWarning() {        super.didReceiveMemoryWarning()        // Dispose of any resources that can be recreated.    }}

自定义cell,我把类名设成MyCell

    import UIKitclass MyCell: UITableViewCell {    //初始化    override init(style: UITableViewCellStyle, reuseIdentifier: String?) {        super.init(style: style, reuseIdentifier: reuseIdentifier)        createSubView()    }    //写完初始化,点击错误,按Enter自动出现    required init?(coder aDecoder: NSCoder) {        fatalError("init(coder:) has not been implemented")    }    func createSubView() {        let label = UILabel.init(frame: CGRectMake(10, 10, 355, 80))        label.backgroundColor = UIColor.lightGrayColor()        label.text = "123456789"        label.font = UIFont.systemFontOfSize(20.0)        label.textAlignment = NSTextAlignment.Center        label.textColor = UIColor.redColor()        self.contentView.addSubview(label)    }    override func awakeFromNib() {        super.awakeFromNib()        // Initialization code    }    override func setSelected(selected: Bool, animated: Bool) {        super.setSelected(selected, animated: animated)        // Configure the view for the selected state    }}
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