AFNetworking 2.0 JSON Parse [closed] - ios

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Here is my code.
(void)performHttpRequestWithURL :(NSString *)urlString :(NSMutableArray *)resultArray completion:(void (^)(NSArray *results, NSError *error))completion
{
NSURL *myUrl = [NSURL URLWithString:urlString];
NSURLRequest *request = [[NSURLRequest alloc] initWithURL:myUrl cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject)
{
NSLog(#"请求完成");
NSArray *arr;
arr = [NSJSONSerialization JSONObjectWithData:operation.responseData options:NSJSONReadingAllowFragments error:NULL];
[resultArray addObjectsFromArray:arr];
if (completion) {
completion(resultArray, nil);
}
}failure:^(AFHTTPRequestOperation *operation, NSError *error){
NSLog(#"请求失败: %#", error);
if (completion) {
completion(nil, error);
}
}];
[operation start];
}
I can only use apple json parse, I don't know how to use AFNetworking json parse itself.
I didn't find AFJsonrequestOperaton in AFNetworking 2.0.ask for help, thank you.

Answer 1

For AFNetworking 2.0 below sample code works:
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
NSDictionary *parameters = #{#"UserId": #"24",#"Name":#"Robin"};
NSLog(#"%#",parameters);
parameters = nil; // set to nil for the example to work else you can pass data as usual
// if you want to sent parameters you can use above code
manager.requestSerializer = [AFJSONRequestSerializer serializer];
[manager POST:#"http://maps.google.com/maps/api/geocode/json?address=1600+Amphitheatre+Parkway,+Mountain+View,+CA&sensor=false" parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject)
{
NSLog(#"JSON: %#", responseObject);
}failure:^(AFHTTPRequestOperation *operation, NSError *error)
{
NSLog(#"Error: %#", error);
}];

Answer 2

No need to do it manually, just set the response serializer to JSON like this:
....
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
operation.responseSerializer = [AFJSONResponseSerializer serializer];
and now inside your block, responseObject should be the deserialised object (NSDictionary or NSArray depending on your root JSON object from the response)
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(#"Hooray, we got %#", responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error){
NSLog(#"Oops, something went wrong: %#", [error localizedDescription]);
}];
[operation start];