perl 读取消息 队列深度不变

[mqm@node01 queue]$ cat t1.pl 
 use MQSeries qw(:functions);
  use MQSeries::QueueManager;
  use MQSeries::Queue;
  use MQSeries::Message;

  #
  # Open a queue for input, loop getting messages, updating some
  # database with the data.
  #
  my $qmgr_obj = MQSeries::QueueManager->
    new(QueueManager => 'YWJZZF_CZCB_SEND');
  my $queue = MQSeries::Queue->
    new(QueueManager => $qmgr_obj,
        Queue        => 'CZ_RSP',
        Mode         => 'input_exclusive',
       ) or die("Unable to open queue.
");
    my $getmessage = MQSeries::Message->new();

    $queue->
      Get(Message => $getmessage,
          Sync    => 1,
         ) or die("Unable to get message
" .
                  "CompCode = " . $queue->CompCode() . "
" .
                  "Reason = " . $queue->Reason() . "
");
      print "第一条消息:===";
      print $getmessage->Data();
      print "
";
     # $qmgr_obj->Commit();




读一条消息 队列深度不变;

[mqm@node01 queue]$ perl t1.pl 
第一条消息:===147258369