@RequestMapping("getListByPage")
 @ResponseBody
 public Page getListByPage(
     @RequestParam("page") String page,
     @RequestParam("rows") String rows,
     @RequestParam("sidx") String sidx,
     @RequestParam("sord") String sord,
     @RequestParam(value = "isSearch", required = false) Boolean isSearch,
     @RequestParam(value = "searchField", required = false) String searchField,
     @RequestParam(value = "searchOper", required = false) String searchOper,
     @RequestParam(value = "searchString", required = false) String searchString,
     @RequestParam(value = "filters", required = false) String filters,
     HttpServletRequest request,
     HttpServletResponse response) {
   Integer pagePara = Integer.valueOf(page);
   Integer limit = Integer.valueOf(rows);
   Page resultPage = new Page();
   resultPage.setPage(pagePara);
   resultPage.setLimit(limit);
   resultPage.setStart(pagePara * limit - limit);
   resultPage = categoryService.query(resultPage, null, null);
   return resultPage;
 }