我正在使用以下代码发出 http 请求并从服务器获取 json 响应。但是,当我查看响应的 statusCode 时,我收到未设置 statusCode 属性的错误。需要做什么来设置 statusCode 属性作为响应。
NSString * my_url_string = @"http://link-to-my-server";
NSURL *url = [NSURL URLWithString:my_url_string];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {
if (response.statusCode == 200){
//I GET AN AERROR THAT statusCode IS NOT SET