如何使用AFNetworking设置请求的HTTP正文？

问题描述：

在AFNetworking的早期版本中，如果必须创建自己的自定义客户端，则只需从AFHTTPClient继承并创建我的方法。相信在AFNetworking 2.0中，我需要继承自AFHTTPSessionManager。

In the early versions of AFNetworking if I had to make my own custom client then I would simply inherit from AFHTTPClient and create my methods. In AFNetworking 2.0 I believe I need to inherit from AFHTTPSessionManager.

@interface MyCustomClient : AFHTTPSessionManager
    {

    }

在我的情况下，我需要以肥皂形式发送请求。这意味着HTTP正文将为soap，而HTTP HEADERS将为text / xml。

In my situation I need to send in request as soap. This means that HTTP Body will be soap and HTTP HEADERS will be text/xml.

假设我有一个变量，其中包含需要发送到服务器的整个肥皂主体。

Let's say I have a variable which contains the entire soap body I need to send to the server.

NSString *soapBody = @"Soap body";

使用上面定义的自定义类继承自AFHTTPSessionManager，如何将soap主体设置为Request HTTPBody 。

Using my custom class defined above which inherits from AFHTTPSessionManager how will I set the soap body to the Request HTTPBody.

如果仍然可以从AFHTTPSessionManager内部访问NSURLRequest，那么我可以简单地执行setHTTPBody，但是似乎没有？

If there is anyway to access NSURLRequest from inside the AFHTTPSessionManager then I can simply do setHTTPBody but it seems there is not?

我希望我现在明白了！

I hope I am making sense now!

答

您应该创建AFHTTPRequestSerializer的子类，然后实现协议AFURLRequestSerialization，该类将关心添加主体和请求的标头

You should create a subclass of AFHTTPRequestSerializer, then implement the protocol AFURLRequestSerialization, this class is going to care about adding the body and headers to the request

 - (NSURLRequest *)requestBySerializingRequest:(NSURLRequest *)request
                                withParameters:(id)parameters
                                         error:(NSError * __autoreleasing *)error
{
     NSParameterAssert(request);

     if ([self.HTTPMethodsEncodingParametersInURI containsObject:[[request HTTPMethod] uppercaseString]]) {
         return [super requestBySerializingRequest:request withParameters:parameters error:error];
     }

     NSMutableURLRequest *mutableRequest = [request mutableCopy];

     [self.HTTPRequestHeaders enumerateKeysAndObjectsUsingBlock:^(id field, id value, BOOL * __unused stop) {
         if (![request valueForHTTPHeaderField:field]) {
             [mutableRequest setValue:value forHTTPHeaderField:field];
         }
     }];


     [mutableRequest setValue:@"application/soap+xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"];
     [mutableRequest setHTTPBody:@"This is the soap Body!!"];

     return mutableRequest;
}

您可以阅读实现或其他AFHTTPRequestSerializer子类https://github.com/AFNetworking/AFNetworking/blob/master/AFNetworking/AFURLRequestSerialization.m#L1094

You can read the implementation or other AFHTTPRequestSerializer subclasses https://github.com/AFNetworking/AFNetworking/blob/master/AFNetworking/AFURLRequestSerialization.m#L1094

如何使用AFNetworking设置请求的HTTP正文？

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