public String query_prodAttach() throws RemoteException {
String result = null;
Map<String, Object> map = new HashMap<String, Object>();
map.put("in0", "");
DefaultMessage dmsg = new DefaultMessage();
dmsg.setMsgHead(map);
try {
result = (String) DataExchangeHelper.sdExchange("query_prodAttach", dmsg);
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
