LWP::UserAgent介绍3 -> cookie设置

   use LWP::UserAgent;
   use HTTP::Cookies;

   my $ua = LWP::UserAgent->new;
   $ua->cookie_jar(HTTP::Cookies->new(
      file => "cookies.txt",
      autosave => ));

   my $req = HTTP::Request->new(GET => "http://www.example.com/");

   my $res = $ua->request($req);
   print $res->status_line;
 #用HTTP::Cookies来创建cookie保存的地方

#或者可以如下所示

 use LWP::UserAgent;
 use HTTP::Cookies;
 $cookie_jar = HTTP::Cookies->new(
         file => "/home/perl/cookies.dat",
         autosave => ,
 );
 $ua->cookir_jar($cookie_jar);
 #还可以这样
 $ua->cookie_jar({ file => "$ENV{HOME}/.cookies.txt" });
 #注意这里是cookie_jar参数要求是个字典

还有， 如果你是想在发送请求时一起发送指定cookie, 可以这样：

 use LWP::UserAgent;
 my $ua = LWP::UserAgent->new;

 my $req = HTTP::Request->new(GET => 'http://www.example.com/');
 $req->header('Cookie' => "key1=value1;key2=value2");
 #这个header可参考HTTP::Headers模块
 my $res = $ua->request($req);
 print $res->status_line