类别扩展属性

//

//  NSURLConnection+WZKConnection.h

//  WZKPony

//

//  Created by 王正魁 on 15-1-5.

//  Copyright (c) 2015年 psylife. All rights reserved.

//

#import <Foundation/Foundation.h>

@interface NSURLConnection (WZKConnection)

- (NSString *)addr;

- (void)setAddr:(NSString *)addr;

@end

//

//  NSURLConnection+WZKConnection.m

//  WZKPony

//

//  Created by 王正魁 on 15-1-5.

//  Copyright (c) 2015年 psylife. All rights reserved.

//

#import "NSURLConnection+WZKConnection.h"

#import <objc/runtime.h>

@implementation NSURLConnection (WZKConnection)

static char strAddrKey = 'a';

- (NSString *)addr

{

    return objc_getAssociatedObject(self, &strAddrKey);

}

- (void)setAddr:(NSString *)addr

{

    objc_setAssociatedObject(self, &strAddrKey, addr, OBJC_ASSOCIATION_COPY_NONATOMIC);

}

@end