网络之AFNetworking

痛定思痛。 2022-03-31 15:50 188阅读 0赞

Json、Xml解析第三方库多了去,就不一一说明,现在开始进入AFNetworking。由于AFNetworking支持ARC,ASI不支持ARC,现在越来越多的开始使用AFNetworking.

http://blog.csdn.net/huang2009303513/article/details/41039681 用法都是一样的,保存起来防止博客丢失

//在请求响应时，有时候响应的内容可能是text/html、text/plain格式,所以需要在AFURLResponseSerialization.m文件的serializerWithReadingOptions方法(223行)
    //     self.acceptableContentTypes = [NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript", @"text/html",@"text/plain", nil];

/** 
     要使用常规的AFN网络访问 
      
     1. AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager]; 
      
        所有的网络请求,均有manager发起 
      
     2. 需要注意的是,默认提交请求的数据是二进制的,返回格式是JSON 
      
        1> 如果提交数据是JSON的,需要将请求格式设置为AFJSONRequestSerializer 
        2> 如果返回格式不是JSON的, 
      
     3. 请求格式 
      
         AFHTTPRequestSerializer            二进制格式 
         AFJSONRequestSerializer            JSON 
         AFPropertyListRequestSerializer    PList(是一种特殊的XML,解析起来相对容易) 
      
     4. 返回格式 
      
         AFHTTPResponseSerializer           二进制格式 
         AFJSONResponseSerializer           JSON 
         AFXMLParserResponseSerializer      XML,只能返回XMLParser,还需要自己通过代理方法解析 
         AFXMLDocumentResponseSerializer (Mac OS X) 
         AFPropertyListResponseSerializer   PList 
         AFImageResponseSerializer          Image 
         AFCompoundResponseSerializer       组合 
     */

#pragma mark - 检测网络连接  
    - (void)reach  
    {  
        /** 
         AFNetworkReachabilityStatusUnknown          = -1,  // 未知 
         AFNetworkReachabilityStatusNotReachable     = 0,   // 无连接 
         AFNetworkReachabilityStatusReachableViaWWAN = 1,   // 3G 花钱 
         AFNetworkReachabilityStatusReachableViaWiFi = 2,   // 局域网络,不花钱 
         */  
        // 如果要检测网络状态的变化,必须用检测管理器的单例的startMonitoring  
        [[AFNetworkReachabilityManager sharedManager] startMonitoring];  
          
        // 检测网络连接的单例,网络变化时的回调方法  
        [[AFNetworkReachabilityManager sharedManager] setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {  
            NSLog(@"%d", status);  
        }];  
    }  
      
    #pragma mark - Session 下载  
    - (void)sessionDownload  
    {  
        NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];  
        AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:config];  
          
        NSString *urlString = @"http://localhost/itcast/videos/01.C语言-语法预览.mp4";  
        urlString = [urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];  
          
        NSURL *url = [NSURL URLWithString:urlString];  
        NSURLRequest *request = [NSURLRequest requestWithURL:url];  
          
        NSURLSessionDownloadTask *task = [manager downloadTaskWithRequest:request progress:nil destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {  
            // 指定下载文件保存的路径  
    //        NSLog(@"%@ %@", targetPath, response.suggestedFilename);  
            // 将下载文件保存在缓存路径中  
            NSString *cacheDir = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)[0];  
            NSString *path = [cacheDir stringByAppendingPathComponent:response.suggestedFilename];  
              
            // URLWithString返回的是网络的URL,如果使用本地URL,需要注意  
            NSURL *fileURL1 = [NSURL URLWithString:path];  
            NSURL *fileURL = [NSURL fileURLWithPath:path];  
              
            NSLog(@"== %@ |||| %@", fileURL1, fileURL);  
              
            return fileURL;  
        } completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {  
            NSLog(@"%@ %@", filePath, error);  
        }];  
          
        [task resume];  
    }  
      
    #pragma mark - POST JSON  
    - (void)postJSON  
    {  
        AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  
          
        NSDictionary *dict = @{@"name": @"zhangsan"};  
        NSDictionary *dict1 = @{@"name": @"wangwu"};  
        NSArray *array = @[dict, dict1];  
        // 设置请求格式  
        manager.requestSerializer = [AFJSONRequestSerializer serializer];  
        // 设置返回格式  
        manager.responseSerializer = [AFHTTPResponseSerializer serializer];  
          
        [manager POST:@"http://localhost/postjson.php" parameters:array success:^(AFHTTPRequestOperation *operation, id responseObject) {  
            NSString *result = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];  
              
            NSLog(@"%@", result);  
        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
              
        }];  
          
    }  
      
    #pragma mark - 随机文件名上传  
    - (void)postUpload1  
    {  
        // 本地上传给服务器时,没有确定的URL,不好用MD5的方式处理  
        AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  
        manager.responseSerializer = [AFHTTPResponseSerializer serializer];  
          
        [manager POST:@"http://localhost/demo/upload.php" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {  
              
            NSURL *fileURL = [[NSBundle mainBundle] URLForResource:@"头像1.png" withExtension:nil];  
              
            // 要上传保存在服务器中的名称  
            // 使用时间来作为文件名 2014-04-30 14:20:57.png  
            // 让不同的用户信息,保存在不同目录中  
            NSDateFormatter *formatter = [[NSDateFormatter alloc] init];  
            // 设置日期格式  
            formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";  
            NSString *fileName = [formatter stringFromDate:[NSDate date]];  
              
            [formData appendPartWithFileURL:fileURL name:@"uploadFile" fileName:fileName mimeType:@"image/png" error:NULL];  
              
        } success:^(AFHTTPRequestOperation *operation, id responseObject) {  
            NSLog(@"OK");  
        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
            NSLog(@"error");  
        }];  
    }  
      
    #pragma mark - POST上传  
    - (void)postUpload  
    {  
        AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  
        // AFHTTPResponseSerializer就是正常的HTTP请求响应结果:NSData  
        // 当请求的返回数据不是JSON,XML,PList,UIImage之外,使用AFHTTPResponseSerializer  
        // 例如返回一个html,text...  
        //  
        // 实际上就是AFN没有对响应数据做任何处理的情况  
        manager.responseSerializer = [AFHTTPResponseSerializer serializer];  
          
        // formData是遵守了AFMultipartFormData的对象  
        [manager POST:@"http://localhost/demo/upload.php" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {  
              
            // 将本地的文件上传至服务器  
            NSURL *fileURL = [[NSBundle mainBundle] URLForResource:@"头像1.png" withExtension:nil];  
              
            [formData appendPartWithFileURL:fileURL name:@"uploadFile" error:NULL];  
        } success:^(AFHTTPRequestOperation *operation, id responseObject) {  
            NSString *result = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];  
              
            NSLog(@"完成 %@", result);  
        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
            NSLog(@"错误 %@", error.localizedDescription);  
        }];  
    }  
      
    #pragma mark - JSON  
    - (void)XMLData  
    {  
        AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  
          
        // 返回的数据格式是XML  
        manager.responseSerializer = [AFXMLParserResponseSerializer serializer];  
          
        NSDictionary *dict = @{@"format": @"xml"};  
          
        // 网络访问是异步的,回调是主线程的,因此程序员不用管在主线程更新UI的事情  
        [manager GET:@"http://localhost/videos.php" parameters:dict success:^(AFHTTPRequestOperation *operation, id responseObject) {  
              
            // 如果结果是XML,同样需要使用6个代理方法解析,或者使用第三方库  
            // 第三方库第三方框架,效率低,内存泄漏  
            NSLog(@"%@", responseObject);  
        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
            NSLog(@"%@", error);  
        }];  
    }  
      
    #pragma mark - JSON  
    - (void)JSONData  
    {  
        AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  
          
        // 原本需要拼接get访问URL ? & =  
        NSDictionary *dict = @{@"format": @"json"};  
          
        // 网络访问是异步的,回调是主线程的,因此程序员不用管在主线程更新UI的事情  
        [manager GET:@"http://localhost/videos.php" parameters:dict success:^(AFHTTPRequestOperation *operation, id responseObject) {  
            NSLog(@"%@", responseObject);  
            // 提问:NSURLConnection异步方法回调,是在子线程  
            // 得到回调之后,通常更新UI,是在主线程  
            NSLog(@"%@", [NSThread currentThread]);  
        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
            NSLog(@"%@", error);  
        }];  
    }  
      
    #pragma mark - POST登录  
    - (void)postLogin  
    {  
        AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  
          
        // 原本需要拼接get访问URL ? & =  
        NSDictionary *dict = @{@"username": @"wangwu", @"password" : @"wang"};  
          
        // 网络访问是异步的,回调是主线程的,因此程序员不用管在主线程更新UI的事情  
        [manager POST:@"http://localhost/login.php" parameters:dict success:^(AFHTTPRequestOperation *operation, id responseObject) {  
            NSLog(@"%@", responseObject);  
            // 提问:NSURLConnection异步方法回调,是在子线程  
            // 得到回调之后,通常更新UI,是在主线程  
            NSLog(@"%@", [NSThread currentThread]);  
        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
            NSLog(@"%@", error);  
        }];  
    }  
      
    #pragma mark - GET登录  
    - (void)getLogin  
    {  
        AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  
          
        // 原本需要拼接get访问URL ? & =  
        NSDictionary *dict = @{@"username": @"wangwu", @"password" : @"wang"};  
          
        // 网络访问是异步的,回调是主线程的,因此程序员不用管在主线程更新UI的事情  
        [manager GET:@"http://localhost/login.php" parameters:dict success:^(AFHTTPRequestOperation *operation, id responseObject) {  
            NSLog(@"%@", responseObject);  
            // 提问:NSURLConnection异步方法回调,是在子线程  
            // 得到回调之后,通常更新UI,是在主线程  
            NSLog(@"%@", [NSThread currentThread]);  
        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
            NSLog(@"%@", error);  
        }];  
    }