iOS +AFNetworking2.0调用webService

本文章采用的字符串常量:

1. NSString *soapMessage =  
2. @"<?xml version=\"1.0\" encoding=\"utf-8\"?> \n"  
3. "<soap12:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap12=\"http://www.w3.org/2003/05/soap-envelope\">"  
4. "<soap12:Body>"  
5. "<getSupportCity xmlns=\"http://WebXml.com.cn/\">"  
6. "<byProvinceName>ALL</byProvinceName>"  
7. "</getSupportCity>"  
8. "</soap12:Body>"  
9. "</soap12:Envelope>";  
10. NSString *soapLength = [NSString stringWithFormat:@"%d", [soapMessage length]];  

 

之前写的代码有问题，因为webxml这个网站支持GET、POST和SOAP协议，所以在接收到回执的时候误以为是SOAP请求成功，但仔细看了一下返回信息发现是普通的POST请求成功的消息。以下是错误的代码

AFNetworking 2.0

1. AFHTTPRequestOperationManager *manager = [[AFHTTPRequestOperationManager alloc] initWithBaseURL:[NSURL URLWithString:@"http://www.webxml.com.cn"]];  
2. manager.responseSerializer = [[AFHTTPResponseSerializer alloc] init];  
3. [manager.requestSerializer multipartFormRequestWithMethod:@"POST" URLString:@"WebServices/WeatherWebService.asmx/getSupportCity" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {  
4.     [formData appendPartWithHeaders:[NSDictionary dictionaryWithObjectsAndKeys:@"application/x-www-form-urlencoded", @"Content-Type", soapLength, @"Content-Length", nil] body:[soapMessage dataUsingEncoding:NSUTF8StringEncoding]];  
5. }];  
6.   
7. [manager POST:@"/WebServices/WeatherWebService.asmx/getSupportCity" parameters:@{@"byProvinceName":@"ALL"} success:^(AFHTTPRequestOperation *operation, id responseObject) {  
8.     NSString *response = [[NSString alloc] initWithData:(NSData *)responseObject encoding:NSUTF8StringEncoding];  
9.     NSLog(@"responseObject: %@", response);  
10. } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
11.     NSLog(@"Error: %@", error);  
12. }];  

 

在发现错误后，本人调试跟踪了一下AFNetworking2.0的POST过程，发现在添加Content-Type和Content-Length的时候，AFNetworking把字段值改掉了，所以在AFHTTPRequestOperationManager类中添加了如下方法：

1. - (AFHTTPRequestOperation *)SOAP:(NSString *)URLString  
2.        constructingBodyWithBlock:(void (^)(NSMutableURLRequest *request))block  
3.                          success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success  
4.                          failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure  
5. {  
6.     NSMutableURLRequest *request = [self.requestSerializer multipartFormRequestWithMethod:@"POST" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:nil constructingBodyWithBlock:nil];  
7.     block(request);  
8.     AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];  
9.     [self.operationQueue addOperation:operation];  
10.       
11.     return operation;  
12. }  

 
添加好此方法后，直接调用就可以了

1. AFHTTPRequestOperationManager *manager = [[AFHTTPRequestOperationManager alloc] initWithBaseURL:[NSURL URLWithString:@"http://www.webxml.com.cn"]];  
2. manager.responseSerializer = [[AFHTTPResponseSerializer alloc] init];  
3. [manager.requestSerializer setValue:@"application/soap+xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"];  
4. [manager.requestSerializer setValue:soapLength forHTTPHeaderField:@"Content-Length"];  
5. [manager SOAP:@"/WebServices/WeatherWebService.asmx" constructingBodyWithBlock:^(NSMutableURLRequest *request) {  
6.     [request setHTTPBody:[soapMessage dataUsingEncoding:NSUTF8StringEncoding]];  
7. } success:^(AFHTTPRequestOperation *operation, id responseObject) {  
8.     NSString *response = [[NSString alloc] initWithData:(NSData *)responseObject encoding:NSUTF8StringEncoding];  
9.     NSLog(@"%@, %@", operation, response);  
10. } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
11.     NSString *response = [[NSString alloc] initWithData:(NSData *)[operation responseObject] encoding:NSUTF8StringEncoding];  
12.     NSLog(@"%@, %@", operation, error);  
13. }];  

 
AFNetworking2.0 + SOAP调用成功！！！

 

闲着没事把之前的代码拿来又看了一遍，想着能不能在不改动AFNetworking代码的前提下调用SOAP协议成功，如果有同样想法的朋友可以试一试下面的代码

1. AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  
2. manager.responseSerializer = [[AFHTTPResponseSerializer alloc] init];  
3. [manager.requestSerializer setValue:@"application/soap+xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"];  
4. [manager.requestSerializer setValue:soapLength forHTTPHeaderField:@"Content-Length"];  
5. NSMutableURLRequest *request = [manager.requestSerializer requestWithMethod:@"POST" URLString:@"http://www.webxml.com.cn/WebServices/WeatherWebService.asmx" parameters:nil];  
6. [request setHTTPBody:[soapMessage dataUsingEncoding:NSUTF8StringEncoding]];  
7. AFHTTPRequestOperation *operation = [manager HTTPRequestOperationWithRequest:request success:^(AFHTTPRequestOperation *operation, id responseObject) {  
8.     NSString *response = [[NSString alloc] initWithData:(NSData *)responseObject encoding:NSUTF8StringEncoding];  
9.     NSLog(@"%@, %@", operation, response);  
10. } failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
11.     NSString *response = [[NSString alloc] initWithData:(NSData *)[operation responseObject] encoding:NSUTF8StringEncoding];  
12.     NSLog(@"%@, %@", operation, error);  
13. }];  
14. [manager.operationQueue addOperation:operation];}  

 
调用成功!

1. ASIHTTPRequest  
2. NSString *soapMessage =  
3. @"<?xml version=\"1.0\" encoding=\"utf-8\"?> \n"  
4. "<soap12:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap12=\"http://www.w3.org/2003/05/soap-envelope\">"  
5. "<soap12:Body>"  
6. "<getSupportCity xmlns=\"http://WebXml.com.cn/\">"  
7. "<byProvinceName>ALL</byProvinceName>"  
8. "</getSupportCity>"  
9. "</soap12:Body>"  
10. "</soap12:Envelope>";  
11. NSString *soapLength = [NSString stringWithFormat:@"%d", [soapMessage length]];  
12.   
13. NSURL *url = [NSURL URLWithString:@"http://www.webxml.com.cn/WebServices/WeatherWebService.asmx"];  
14. ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];  
15. [request setDelegate:self];  
16.   
17. [request addRequestHeader:@"Content-Type" value:@"application/soap+xml; charset=utf-8"];  
18. [request addRequestHeader:@"Content-Length" value:soapLength];  
19. [request setRequestMethod:@"POST"];  
20. [request appendPostData:[soapMessage dataUsingEncoding:NSUTF8StringEncoding]];  
21. [request setDefaultResponseEncoding:NSUTF8StringEncoding];  
22. [request startAsynchronous];  
23. 
    

转自：http://jiapumin.iteye.com/blog/2109378