NSString *url = [[NSString alloc] initWithFormat:@"http://itunes.apple.com/lookup?id=%@",@"已上线App ID"];


    [Com afPostRequestWithUrlString:url parms:nil finishedBlock:^(id responseObj) {
        NSMutableDictionary * dicObj =[NSJSONSerialization JSONObjectWithData:responseObj options:NSJSONReadingMutableContainers error:nil];
        
        NSLog(@"%@",dicObj);
        
    } failedBlock:^(NSString *errorMsg) {

    }];