my $user_agent = LWP::UserAgent->new;
   $user_agent->protocols_allowed(['http','https']);
   push @{$user_agent->requests_redirectable}, 'POST';
   $user_agent->cookie_jar(HTTP::Cookies->new());
   my $urlObj = URI->new($url);
   $reqObj = new HTTP::Request($method,$urlObj,$hdrObj,$cgi_param);
   $resObj = $user_agent->request($reqObj);