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                         <div class="codetitle"><a style="CURSOR: pointer" data="51539" class="copybut" id="copybut51539" onclick="doCopy('code51539')"> 代码如下:<div class="codebody" id="code51539">  USE TestDB  declare @conversation uniqueidentifier  while exists (select 1 from sys.transmission_queue )  begin  set @conversation = (select top 1 conversation_handle from sys.transmission_queue )  end conversation @conversation with cleanup  end    那么客户端接受到的消息如果没有处理,也会积攒在客户端队列中,其实就相当于许多未读邮件,我们可以使用以下脚本读取队列 ,读取后队列自动清空:  <div class="codetitle"><a style="CURSOR: pointer" data="43253" class="copybut" id="copybut43253" onclick="doCopy('code43253')"> 代码如下:<div class="codebody" id="code43253">  USE TestDB  DECLARE @RecvReplyMsg NVARCHAR(100) ;  DECLARE @RecvReplyDlgHandle UNIQUEIDENTIFIER ;  BEGIN TRANSACTION ;  WHILE ( 1 = 1 )  BEGIN  WAITFOR  ( RECEIVE TOP(1)  @RecvReplyDlgHandle = conversation_handle, @RecvReplyMsg = message_body  FROM dbo.Test_TargetQueue  ),TIMEOUT 1000 ;  END CONVERSATION @RecvReplyDlgHandle ;  SELECT @RecvReplyMsg AS ReceivedReplyMsg ;  END  COMMIT TRANSACTION ; 
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