* @return
*/
@RequestMapping(params = "test")
public void test(HttpServletRequest request, HttpServletResponse response) {
String jString = request.getParameter("_dt_json");
DataTables dataTables = new DataTables(request);
CriteriaQuery cq = new CriteriaQuery(TSUser.class, dataTables);
String username = request.getParameter("userName");
if (username != null) {
cq.like("userName", username);
cq.add();