ibmmq中文乱码问题

  //1
   MQEnvironment.CCSID =Integer.parseInt(CCSIDs);

   String msgStr="你好IBMMQ";
   MQMessage msg = new MQMessage();// 要写入队列的消息
            //2
            msg.format = MQC.MQFMT_STRING;
            //3
            msg.characterSet = 1381;
            //4
            msg.encoding = 1381;
            //5  writeString
            msg.writeString(msgStr);