Objective-C calls C ++ code

I want to call C ++'sCodeHere, I will summarize my methods,The Hello class is only an encapsulation of Calling C ++ for objective-C..

However, I feel that this is too inconvenient. If there are a lot of C ++ code, it will be very difficult to do so. I hope someone will provide a good solution,ArticleThe demoSource code.
Reference: http://blog.csdn.net/zhouhuiah/article/details/6426158

Write down the demo content
1. Create a new project. I chose "single view application ".
2. Create an objective-C class file named hello
3. There will be two files in the project: Hello. h and hello. M. Change the suffix of the hello. M file to. Mm, that is, hello. Mm.
4. Add the C ++ class to the hello. h file. The content of the hello. h file is as follows:

 # Import <Foundation/Foundation. h> @ Interface  Hello: nsobject {  Class Newhello {  Private : Int  Greeting_text;  Public  : Newhello () {greeting_text = 5  ;}  Void  Say_hello () {printf (  "  Greeting_text = % d  "  , Greeting_text) ;}}; newhello *Hello ;} -( Void  ) Sayhellooooo;  @ End 

5. Implement the sayhellooooo method in the hello. MM file. Call the C ++ class in this method.

 
# Import "Hello. h"@ ImplementationHello-(Void) Sayhellooooo {hello=NewNewhello (); Hello->Say_hello ();}@ End
 

6. Use @ Class hello instead of # import or # include to call the C ++ class.

# Import<Uikit/uikit. h>//# Include "Hello. H"@ ClassHello;@ InterfaceViewcontroller: uiviewcontroller {}-(Void) AAAA;@ End
 

7. Call the methods in the C ++ class

 # Import   "  Viewcontroller. h  "  @ Interface  Viewcontroller ()  @ End @ Implementation  Viewcontroller -( Void  ) Viewdidload {[Super viewdidload]; nslog (  @"  Dddddddd  "  ); Hello * AA = [[Hello alloc] init]; [AA sayhellooooo];  //  Do any additional setup after loading the view, typically from a nib.  } -( Void ) Viewdidunload {[Super viewdidunload];  //  Release any retained subviews of the main view.  } - (Bool) shouldautorotatetointerfaceorientation :( uiinterfaceorientation) interfaceorientation {  Return (Interfaceorientation! = Uiinterfaceorientationportraitupsidedown );} -( Void  ) AAAA {}  @ End 

8. Source Code:Objective-C calls C ++Blog park requires that the file name cannot have a plus sign