iOS网络框架 AFNetworking

-( void )GetActivationUser{

    NSString *url = @"http://app.xxxx.com/music/search?key=%E9%AC%BC%E5%90%B9%E7%81%AF" ;

    // 创建请求管理器

    AFHTTPRequestOperationManager *requestManager = [[ AFHTTPRequestOperationManager alloc ] init ];

    requestManager. responseSerializer . acceptableContentTypes = [ NSSet setWithObjects : @"application/json" , nil ];

    // 带上 cookie

    requestManager. requestSerializer . HTTPShouldHandleCookies = YES ;

    [requestManager GET :url parameters : nil success :^( AFHTTPRequestOperation *operation, id responseObject) {

//json 转 dict

        NSDictionary *data = [ NSJSONSerialization JSONObjectWithData :responseObject options : kNilOptions error : nil ];

    } failure :^( AFHTTPRequestOperation *operation, NSError *error) {

        NSLog ( @"%@" ,error);

    }];

}

原文：http://blog.csdn.net/bugall/article/details/46915085