public String getUserSerial(String operID) { ConnectionManager cm = ConnectionManager.getInstance(); String userSerial = Util.getUserSerial(cm.getConnection(), operID); StringBuffer StrBuf = new StringBuffer(); StrBuf.append("<root>"); StrBuf.append("<action type=\"1\" result=\"true\">"); StrBuf.append("<record> "); StrBuf.append("<field "); StrBuf.append(" name =\"userserial\""); StrBuf.append(" type =\"text\""); StrBuf.append(" value =\"" + userSerial + "\""); StrBuf.append(" />"); StrBuf.append("</record>"); StrBuf.append("</action>"); StrBuf.append("</root>"); cm.release(); return StrBuf.toString(); }