类的定义及使用

import Foundation

 

class TV{

    var keyCount="12"

    var keyName="power"

    func openTV()->String{

        return "success"

    }

}

 

var iTY = TV()

 

var count=iTY.keyCount

 

println(count)

 

println(iTY.openTV())

 

var youTV=iTY;

 

youTV.keyName="close"

 

println(youTV.keyName)

 

if(iTY===youTV){

    println(true)}