上面的程式码是:
//session_cache_limiter( "public" );
         session_name( "plogsessionsite2" );
            session_set_cookie_params(0, $sessionPath, $sessionDomain);
         session_start();
和
//session_cache_limiter( "public" );
         session_name( "plogsessionsite2.com" );
            session_set_cookie_params(0, $sessionPath, $sessionDomain);
         session_start();
刚才点错了按钮。