Question

现在，在我的代码中，我有很多代码块的重复：

NSString *imageID = [postURL.path substringFromIndex:1];
NSString *APILink = [NSString stringWithFormat:@"https://api.imgur.com/3/image/%@", imageID];

AFHTTPRequestOperationManager *operationManager = [AFHTTPRequestOperationManager manager];
[operationManager.requestSerializer setValue:@"Client-ID --myID--" forHTTPHeaderField:@"Authorization"];

[operationManager GET:APILink
           parameters:nil
              success:^(AFHTTPRequestOperation *operation, id responseObject) { 
                         ....

有没有办法将其简化为更可重用的代码块？我记得在AFNetworking 1.0中继承AFHTTPClient以完成类似的事情，但我对如何在AFNetworking 2.0中做到这一点感到困惑。

Answer 1

您可以将代码放入AFHTTPRequestOperationManager

类别的方法中

如果我的代码分析正确：

MyServicesAPIAddition.h

@interface AFHTTPRequestOperationManager(MyServicesAPIAddition)
+ (void)resourceWithURL:(NSURL*)URL clientID:(NSString *)clientID completionHandler:(void (^)(AFHTTPRequestOperation *operation, id responseObject))handler;
@end

MyServicesAPIAddition.m

@implementation AFHTTPRequestOperationManager(MyServicesAPIAddition)
+ (void)resourceWithURL:(NSURL*)URL clientID:(NSString *)clientID completionHandler:(void (^)(AFHTTPRequestOperation *operation, id responseObject))handler
{
    NSString *imageID = [URL.path substringFromIndex:1];
    NSString *APILink = [NSString stringWithFormat:@"https://api.imgur.com/3/image/%@", imageID];

AFHTTPRequestOperationManager *operationManager = [AFHTTPRequestOperationManager manager];
[operationManager.requestSerializer setValue:[NSString stringWithFormat:@"Client-ID %@", clientID] forHTTPHeaderField:@"Authorization"];

[operationManager GET:APILink
           parameters:nil
              success:handler];
}
@end

然后：

[AFHTTPRequestOperationManager resourceWithURL:postURL clientID:… completionHandler:
^(AFHTTPRequestOperation *operation, id responseObject) 
{
…
}

想要在方法名称中添加后缀以防止选择器冲突。我没有。

有没有办法在AFNetworking 2.0中简化这样的代码？

1 个答案: