public PageResult <InventoryResult> ProductStock(int pageSize, int pageIndex, InventoryRequest requestParams)
{
WarehouseManager warehouse = new WarehouseManager();
var result = warehouse.CheckedInventory(requestParams.StoreId, requestParams.MachineSn, requestParams.CID, requestParams.DeviceSn, requestParams.CategorySns, requestParams.Keyword, requestParams.Price, pageSize, pageIndex);
return(result);
}