String code = oConvertUtils.getString(request.getParameter("typecode"));
String filekey = oConvertUtils.getString(request.getParameter("filekey"));
CriteriaQuery cq = new CriteriaQuery(MyClassLoader.getClassByScn(subclassname), dataGrid);
cq.eq("businessKey", businessKey);
if (StringUtil.isNotEmpty(type)) {
cq.createAlias("TBInfotype", "TBInfotype");
cq.eq("TBInfotype.typename", type);
}
if (StringUtil.isNotEmpty(filekey)) {
cq.eq("id", filekey);
}