/**
  * stdSuccess: 通用的处理成功方法。适用处理完成后不需要返回任何数据。只需要告知对端执行成功时调用!
  *
  * @param request 参数包,直接传入即可。
  * @return RemotePacket
  */
 protected RemotePacket stdSuccess(RemotePacket request) {
   RemotePacket packet = new RemotePacket(request.getMessageId() + 1, request.getUsername());
   packet.put("result", 1); // 处理成功
   return packet;
 }
 /**
  * stdError: 通用的错误方法。适用于处理过程中出错返回!
  *
  * @param errorMsg 错误消息
  * @return RemotePacket
  */
 protected RemotePacket stdError(String errorMsg) {
   RemotePacket packet = new RemotePacket(RemoteCode.SBRemoteError, "SystemError");
   packet.put("error", errorMsg);
   return packet;
 }