猜数字

class ViewController: UIViewController {
var label : UILabel!
var textField:UITextField!
var result = arc4random_uniform(100)
//

override func viewDidLoad() {
    super.viewDidLoad()
    
    label  = UILabel()
    label.frame = CGRect(x: 80, y: 80, width: 100, height: 40)
    label.text = "猜一猜"
    label.backgroundColor = UIColor.redColor()
    label.textColor = UIColor.greenColor()
    label.font = UIFont.systemFontOfSize(28)
    label.textAlignment = .Center
    self.view.addSubview(label)
    
    
  let   label1  = UILabel()
    label1.frame = CGRect(x: 50, y: 150, width: 40, height: 40)
    label1.text = "0"
    label1.backgroundColor = UIColor.redColor()
    label1.textColor = UIColor.greenColor()
    label1.font = UIFont.systemFontOfSize(28)
    label1.textAlignment = .Center
    self.view.addSubview(label1)

 let    label2  = UILabel()
    label2.frame = CGRect(x: 100, y: 150, width: 40, height: 40)
    label2.text = "到"
    label2.backgroundColor = UIColor.redColor()
    label2.textColor = UIColor.greenColor()
    label2.font = UIFont.systemFontOfSize(28)
    label2.textAlignment = .Center
    self.view.addSubview(label2)

  let   label3  = UILabel()
    label3.frame = CGRect(x: 150, y: 150, width: 60, height: 40)
    label3.text = "100"
    label3.backgroundColor = UIColor.redColor()
    label3.textColor = UIColor.greenColor()
    label3.font = UIFont.systemFontOfSize(28)
    label3.textAlignment = .Center
    self.view.addSubview(label3)

    
    
    textField = UITextField()
    
    textField.frame = CGRect(x: 100, y: 200, width: 100, height: 40)
    textField.textColor = UIColor.blueColor()
    textField.borderStyle = .RoundedRect
    textField.placeholder = "请输入数字"
    textField.keyboardType = .NumberPad
    self.view.addSubview(textField)
    
    let btn = UIButton(type: .System)

// btn.setTitle("确定", forState: .Normal)
// btn.setTitle("高亮", forState: .Highlighted)
// btn.setTitle("选用", forState: .Selected)
// btn.setTitle("禁用", forState: .Disabled)
//

   let image = UIImage(named: "check")
    btn.setBackgroundImage(image, forState: .Normal)
    btn.frame = CGRect(x: 100, y: 300, width: 100, height: 100)
    btn.addTarget(self, action: #selector(didClick), forControlEvents:.TouchUpInside)
    
    
    self.view.addSubview(btn)
    
    
    
    
    
    // Do any additional setup after loading the view, typically from a nib.
}
func didClick(){
    
    let  number = UInt32(textField.text!)
    
    
    if result == number  {
        label.text = "猜对了"
        result = arc4random_uniform(100)
    }else  if result < number  {
        label.text = "猜大了"
    }else{
        label.text = "猜小了"
    }

}