@RequestMapping("/addPage")
 public String addPage(HttpServletRequest request) {
   SessionInfo sessionInfo =
       (SessionInfo) request.getSession().getAttribute(GlobalConstant.SESSION_INFO);
   if (sessionInfo.getRoleNames().equals("client")) {
     JsonClient client = clientService.getClientSimpleInfo(sessionInfo.getId());
     request.setAttribute("client", client);
     request.getSession().setAttribute("oldLevel", client.getLevel());
   }
   return "/oil/sellAdd";
 }
 @RequestMapping("/dataGrid")
 @ResponseBody
 public Grid dataGrid(HttpServletRequest request, TransactionSearch search, PageFilter ph) {
   SessionInfo sessionInfo =
       (SessionInfo) request.getSession().getAttribute(GlobalConstant.SESSION_INFO);
   search.setRoleName(sessionInfo.getRoleNames());
   search.setLoginUserId(sessionInfo.getId());
   Grid grid = new Grid();
   grid.setRows(oilSellService.dataGrid(search, ph));
   grid.setTotal(oilSellService.count(search, ph));
   return grid;
 }