Small white Study Development (IOS) OC_ sel data type (2015-08-10)

//

Main.m

SEL Data Type

//

Created by admin on 15/8/12.

Copyright (c) years admin. All rights reserved.

//

#import <Foundation/Foundation.h>

#import "Person.h"

/*

SEL data type, so that the method used to wrap the

*/

int Main (int argc,const Char * argv[]) {

@autoreleasepool {

use @selector to wrap a method into a SEL data type

person *p = [[personalloc]init];

SEL s1 = @selector(EAT);

[Pperformselector: S1];

SEL s2 = @selector(call:);

[P performselector: S2withobject:@ "1519387554"];

SEL s3 = @selector(findName);

nsstring *result = [P performselector: S3];

NSLog (@ "%@", result);

}

return 0;

}

//

Person.h

the specific syntax of OC

//

Created by admin on 15/8/12.

Copyright (c) years admin. All rights reserved.

//

#import <Foundation/Foundation.h>

@interface Person:NSObject

-(void) eat;

-(void) Call: (nsstring *) number;

-(nsstring *) findName;

@end

//

Person.m

the specific syntax of OC

//

Created by admin on 15/8/12.

Copyright (c) years admin. All rights reserved.

//

#import "Person.h"

@implementation Person

-(void) eat

{

NSLog (@ " eat something ");

}

-(void) Call: (nsstring *) number

{

NSLog (@ " call %@", number);

}

-(nsstring *) findName

{

return@ " found Teng-gale ";

}

@end

Small white Study Development (IOS) OC_ sel data type (2015-08-10)