import Foundationclass Act : NSObject
{func hasAct(tag:Int) -> String{switch (tag){case 1:return "Movie"case 2:return "CCTV"case 3:return "Sport TV"default:return "Area TV"}}init(){println("act constructor is called.")}deinit{println("act destroyed is called.")}
}

1. #import   @interface OCChannel : NSObject  @property (nonatomic,retain) NSString *ChannelName;  - (NSString *)ChannelChange:(NSInteger) channels;  @end  

1. #import "OCChannel.h"
   #import "SwiftModule-swift.h"  @interface OCChannel()
   {  Act     *act;  //swift的类
   }
   @end  @implementation OCChannel  - (id)init
   {  if (self = [super init]) {  NSLog(@"OC Constructor is called.");  //使用Swift类  act = [[Act alloc]init];  }  return self;
   }  - (void)dealloc
   {  NSLog(@"OC Destroyed is called.");  //[act release];//ARC not use  //[super dealloc];//ARC not use
   }  - (NSString *)ChannelChange:(NSInteger) channels
   {  return [act hasAct:channels];
   }  @end  

1. //
   //  Use this file to import your target's public headers that you would like to expose to Swift.
   //MixDemo/MixDemo-Bridging-Header.h  #import "OCChannel.h"  

1. import UIKit  class ViewController: UIViewController {  override func viewDidLoad() {  super.viewDidLoad()  // Do any additional setup after loading the view, typically from a nib.  //调用OC类  var channel = OCChannel()  println(channel.ChannelChange(10))  println(channel.ChannelChange(2))  }  override func didReceiveMemoryWarning() {  super.didReceiveMemoryWarning()  // Dispose of any resources that can be recreated.
       }  }  

1. import Foundation  @objc(Act)  class Act
   {  func hasAct(tag:Int) -> String  {  switch (tag)  {  case 1:return "Movie"  case 2:return "CCTV"  case 3:return "Sport TV"  default:return "Area TV"  }  }  @objc(init)//原本以为加上这个alloc就可以找到，但不行的。。。
       init()  {  println("act constructor is called.")  }  deinit  {  println("act destroyed is called.")  }
   }