@Override
 public List<ProductTransactionsRule> searchByParameters(
     Page page, ProductTransactionsRule productTransactionsRule) {
   page.setParameters(productTransactionsRule);
   List<ProductTransactionsRule> returnList =
       productTransactionsRuleMapper.selectByParameters(page);
   return returnList;
 }
 @Override
 public List<ProductType> searchByParameters(Page page, ProductType productType) {
   page.setParameters(productType);
   List<ProductType> returnList = productTypeMapper.selectByParameters(page);
   return returnList;
 }