问同步AFNetworking调用

EN

    MyAFNetworkClient *httpClient = [MyAFNetworkClient sharedClient];

    NSURLRequest *request = [httpClient requestWithMethod:@"GET" path:path parameters:nil];

__block int status = 0;

AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {

    [[NSNotificationCenter defaultCenter] postNotificationName:@"notificationName" object:JSON];

} failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON){
    @throw error.userInfo;
    status = 2;
    NSLog(@"Error... Status Code 2");

}];
[httpClient enqueueHTTPRequestOperation:operation];
[httpClient.operationQueue waitUntilAllOperationsAreFinished];

while (status == 0)
{
    // run runloop so that async dispatch can be handled on main thread AFTER the operation has
    // been marked as finished (even though the call backs haven't finished yet).
    [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
                             beforeDate:[NSDate date]];
}