Swift basic syntax controls 02 and swift syntax controls 02

Swift basic syntax controls 02 and swift syntax controls 02

// The first controller: displays the basic control.

Import UIKit

Class ViewController: UIViewController {

Var label: UILabel = UILabel ()

Var button: UIButton = UIButton ()

Var imageView: UIImageView = UIImageView ()

// Var label: UILabel?

// Var button: UIButton?

// Var imageView: UIImageView?

Override func viewDidLoad (){

Super. viewDidLoad ()

// Do any additional setup after loading the view, typically from a nib.

/**

UILabel

*/

Self. label = UILabel (frame: CGRectMake (100, 30 ))

Self. label. text = "hehe"

Self. label. backgroundColor = UIColor. greenColor ()

Self. label. textAlignment = NSTextAlignment. Center

Self. view. addSubview (self. label)

/**

UIButton

*/

Self. button = UIButton (frame: CGRectMake (50,100,100, 30 ))

Self. button. setTitle ("button", forState: UIControlState. Normal)

Self. button. backgroundColor = UIColor. redColor ()

Self. button. addTarget (self, action: "bntclik:", forControlEvents: UIControlEvents. TouchUpInside)

Self. view. addSubview (self. button)

/**

UIImageView

*/

Self. imageView = UIImageView (frame: CGRectMake (100,150,100,100 ))

Self. imageView. image = UIImage (named: "user ")

Self. view. addSubview (self. imageView)

}

Func bntclik (button: UIButton ){

Var oneVC = ViewControllerOne ()

Var oneNA: UINavigationController = UINavigationController (rootViewController: oneVC)

Self. presentViewController (oneNA, animated: true, completion: nil)

Println ("button ")

}

Override func didReceiveMemoryWarning (){

Super. didReceiveMemoryWarning ()

// Dispose of any resources that can be recreated.

}

}

// The second controller: displays the table view.

Import UIKit

Class ViewControllerOne: UIViewController, UITableViewDataSource, UITableViewDelegate {

Var tableView: UITableView = UITableView ()

Var dataArray: NSArray = []

Override func viewDidLoad (){

Super. viewDidLoad ()

// Do any additional setup after loading the view.

Self. view. backgroundColor = UIColor. whiteColor ()

Self. dataArray = ["1", "2", "3", "4", "5", "6"]

/**

UITableView

*/

Self. tableView = UITableView (frame: CGRectMake (0, 0, CGRectGetWidth (self. view. frame), CGRectGetHeight (self. view. frame), style: UITableViewStyle (rawValue: 0 )!)

Self. tableView. delegate = self

Self. tableView. dataSource = self

Self. view. addSubview (self. tableView)

}

Func tableView (tableView: UITableView, numberOfRowsInSection section: Int)-> Int

{

Return self. dataArray. count

}

Func tableView (tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath)-> UITableViewCell

{

Self. tableView. registerClass (UITableViewCell. self, forCellReuseIdentifier: "cell ")

Let cell = tableView. dequeueReusableCellWithIdentifier ("cell", forIndexPath: indexPath) as UITableViewCell

Cell. textLabel. text = self. dataArray [indexPath. row] as NSString;

Return cell

}

Override func didReceiveMemoryWarning (){

Super. didReceiveMemoryWarning ()

// Dispose of any resources that can be recreated.

}

}