用Swift语言 来写表格

//在AppDelegate 文件中UIViewController,UITableViewDataSource,UITableViewDelegate {    var datas:Array<News>?    var tableView:UITableView?    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {        let onenNews = self.datas?[indexPath.row]        let detailVC = DetailViewController()        detailVC.detailURL = onenNews?.weburl        self.navigationController?.pushViewController(detailVC, animated: true)    }    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {        if let count = datas?.count {            return count        }        return 0    }    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {        let str = "identifier"        var cell = tableView.dequeueReusableCell(withIdentifier: str)        if cell == nil {            cell = UITableViewCell.init(style: UITableViewCellStyle.subtitle, reuseIdentifier: str)        }//        let newsDic = self.datas?[indexPath.row] as!//        Dictionary<String,String>//        //        cell?.textLabel?.text = newsDic["title"]//        //        cell?.detailTextLabel?.text = newsDic["time"]        let oneNew = self.datas![indexPath.row]        cell?.textLabel?.text = oneNew.title        cell?.detailTextLabel?.text = oneNew.time        return cell!    }    override func viewWillAppear(_ animated: Bool) {        self.getURLDatas()    }    override func viewDidLoad() {        super.viewDidLoad()        // Do any additional setup after loading the view.        tableView = UITableView.init(frame: self.view.frame, style: UITableViewStyle.plain)        tableView?.dataSource = self        tableView?.delegate = self        self.view.addSubview(tableView!)    }    func getURLDatas() -> Void {        let appkey = "de394933e1a3e2db"        let urlStr = "http://api.jisuapi.com/news/get?channel=头条&start=0&num=20&appkey=\(appkey)"//        let urlString = urlStr.addingPercentEncoding(withAllowedCharacters: CharacterSet(charactersIn: "`#%^{}\"[]|\\<> ").inverted)        let url = URL(string:urlStr.addingPercentEscapes(using: String.Encoding(rawValue: String.Encoding.utf8.rawValue))!)        print(url)        let request = URLRequest(url: url!, cachePolicy: URLRequest.CachePolicy.reloadIgnoringCacheData, timeoutInterval: 15.0)        let session = URLSession.shared        let task = session.dataTask(with: request) { (data, response, error) in            if error != nil {                print("错误")                return            }            let obj = try! JSONSerialization.jsonObject(with: data!, options: JSONSerialization.ReadingOptions.allowFragments) as!                Dictionary<String,Any>            print(obj)            let result = obj["result"] as! Dictionary<String,Any>            let list = result["list"] as! Array<Any>            var newsArr:[News]? = []            for item in list {                let newsDic = item as!                    Dictionary<String,String>                let oneNew = News()                oneNew.title = newsDic["title"]                oneNew.time = newsDic["time"]                oneNew.url = newsDic["url"]                oneNew.weburl = newsDic["weburl"]                newsArr?.append(oneNew)            }            self.datas = newsArr            //回到Ui主线程刷新表格            DispatchQueue.main.async(execute: {                 self.tableView?.reloadData()            })        }        task.resume()    }    override func didReceiveMemoryWarning() {        super.didReceiveMemoryWarning()        // Dispose of any resources that can be recreated.    }**## 标题 ##//在StudentsViewController 文件中-----------------------------**UIViewController,UITableViewDataSource {    var studentsData:[String]?    override func viewDidLoad() {        super.viewDidLoad()        studentsData = ["大川","建军","光辉","枕头"]        let table = UITableView.init(frame: self.view.frame, style: UITableViewStyle.plain)        table.dataSource = self        self.view.addSubview(table)        // Do any additional setup after loading the view.    }    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {        if let count = self.studentsData?.count {            return count        }        return 0    }    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {        let str = "identifier"        var cell = tableView.dequeueReusableCell(withIdentifier: str)        if cell == nil {            cell = UITableViewCell.init(style: UITableViewCellStyle.default, reuseIdentifier: str)        }        cell?.textLabel?.text = self.studentsData?[indexPath.row]        return cell!    }**## 标题 ##//在MyUIViewController 文件中-----------------------------**UIViewController,UITextFieldDelegate {    var myLable:UILabel = UILabel.init(frame: CGRect(x: 30, y: 80, width: 100, height: 30))    var myBtn:UIButton?    var textFiled:UITextField?    var btnTitle = false    override func viewDidLoad() {        super.viewDidLoad()        // Do any additional setup after loading the view.        myLable.textColor = UIColor.red        myLable.textAlignment = .center        myLable.backgroundColor = UIColor.yellow        myLable.text = "北京天安门"        myLable.font = UIFont.boldSystemFont(ofSize: 16)        self.view.addSubview(myLable)        self.btnTitle = true        myBtn = UIButton.init(type: UIButtonType.roundedRect)        myBtn?.frame = CGRect(x: 20, y: 120, width: 100, height: 30)        myBtn?.setTitle("播放", for: UIControlState.normal)        myBtn?.setTitleColor(UIColor.blue, for: UIControlState.normal)        myBtn?.setTitle("暂停", for: UIControlState.selected)        myBtn?.setTitleColor(UIColor.red, for: UIControlState.selected)        myBtn?.addTarget(self, action: #selector(btnPress(sender:)), for: UIControlEvents.touchUpInside)        self.view.addSubview(myBtn!)        textFiled = UITextField.init(frame: CGRect(x: 20, y: 200, width: 160, height: 50))        textFiled?.placeholder = "请输入账号"        textFiled?.borderStyle = .line        textFiled?.textAlignment = .center        textFiled?.textColor = UIColor.red        textFiled?.keyboardType = .default        textFiled?.clearButtonMode = .whileEditing        textFiled?.clearsOnBeginEditing = true        textFiled?.isSecureTextEntry = false        textFiled?.autocapitalizationType = .allCharacters  //全部大写        textFiled?.delegate = self        self.view.addSubview(textFiled!)    }    func btnPress(sender:UIButton) -> Void {        sender.isSelected = !sender.isSelected    }    override func didReceiveMemoryWarning() {        super.didReceiveMemoryWarning()        // Dispose of any resources that can be recreated.    }    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {        super.touchesBegan(touches, with: event)        self.view.endEditing(true)    }    func textFieldShouldReturn(_ textField: UITextField) -> Bool {        textFiled?.resignFirstResponder()        return true    }    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {        //获取目前textfield控件中的文本        let text = textField.text        var newText = (text! as NSString).replacingCharacters(in: NSMakeRange(range.location, range.length), with: string)        return newText.characters.count <= 8;    }**## 标题 ##//在NewsViewController 文件中-----------------------------**UIViewController,UITableViewDataSource,UITableViewDelegate {    var datas:Array<News>?    var tableView:UITableView?    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {        let onenNews = self.datas?[indexPath.row]        let detailVC = DetailViewController()        detailVC.detailURL = onenNews?.weburl        self.navigationController?.pushViewController(detailVC, animated: true)    }    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {        if let count = datas?.count {            return count        }        return 0    }    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {        let str = "identifier"        var cell = tableView.dequeueReusableCell(withIdentifier: str)        if cell == nil {            cell = UITableViewCell.init(style: UITableViewCellStyle.subtitle, reuseIdentifier: str)        }//        let newsDic = self.datas?[indexPath.row] as!//        Dictionary<String,String>//        //        cell?.textLabel?.text = newsDic["title"]//        //        cell?.detailTextLabel?.text = newsDic["time"]        let oneNew = self.datas![indexPath.row]        cell?.textLabel?.text = oneNew.title        cell?.detailTextLabel?.text = oneNew.time        return cell!    }    override func viewWillAppear(_ animated: Bool) {        self.getURLDatas()    }    override func viewDidLoad() {        super.viewDidLoad()        // Do any additional setup after loading the view.        tableView = UITableView.init(frame: self.view.frame, style: UITableViewStyle.plain)        tableView?.dataSource = self        tableView?.delegate = self        self.view.addSubview(tableView!)    }    func getURLDatas() -> Void {        let appkey = "de394933e1a3e2db"        let urlStr = "http://api.jisuapi.com/news/get?channel=头条&start=0&num=20&appkey=\(appkey)"//        let urlString = urlStr.addingPercentEncoding(withAllowedCharacters: CharacterSet(charactersIn: "`#%^{}\"[]|\\<> ").inverted)        let url = URL(string:urlStr.addingPercentEscapes(using: String.Encoding(rawValue: String.Encoding.utf8.rawValue))!)        print(url)        let request = URLRequest(url: url!, cachePolicy: URLRequest.CachePolicy.reloadIgnoringCacheData, timeoutInterval: 15.0)        let session = URLSession.shared        let task = session.dataTask(with: request) { (data, response, error) in            if error != nil {                print("错误")                return            }            let obj = try! JSONSerialization.jsonObject(with: data!, options: JSONSerialization.ReadingOptions.allowFragments) as!                Dictionary<String,Any>            print(obj)            let result = obj["result"] as! Dictionary<String,Any>            let list = result["list"] as! Array<Any>            var newsArr:[News]? = []            for item in list {                let newsDic = item as!                    Dictionary<String,String>                let oneNew = News()                oneNew.title = newsDic["title"]                oneNew.time = newsDic["time"]                oneNew.url = newsDic["url"]                oneNew.weburl = newsDic["weburl"]                newsArr?.append(oneNew)            }            self.datas = newsArr            //回到Ui主线程刷新表格            DispatchQueue.main.async(execute: {                 self.tableView?.reloadData()            })        }        task.resume()    }DetailViewController   **## 创建 OC 的 工程 ##//在DetailViewController.h 文件中-----------------------------** @property(nonatomic,strong)NSString *detailURL; // **## 创建 OC 的 工程 ##//在DetailViewController.m 文件中-----------------------------**- (void)viewWillAppear:(BOOL)animated {    [super viewWillAppear:animated];    NSString *urlStr = [self.detailURL stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];//    urlStr = [self.detailURL stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet];    NSURL *url = [NSURL URLWithString:urlStr];    NSURLRequest *req = [NSURLRequest requestWithURL:url];    [self.webView loadRequest:req];}**## 创建 OC 的 工程 ##// 继承： NSObject  在News.h  文件中-----------------------------**@property(nonatomic,strong)NSString *title;@property(nonatomic,strong)NSString *time;@property(nonatomic,strong)NSString *url;@property(nonatomic,strong)NSString *weburl;