src/main/java/com/ruoyi/purchase/mapper/PurchaseLedgerMapper.java
@@ -23,6 +23,8 @@
    IPage<PurchaseLedgerDto> selectPurchaseLedgerListPage(IPage ipage, @Param("c") PurchaseLedgerDto purchaseLedger);
    List<PurchaseLedger> selectReturnablePurchaseLedgerList(@Param("c") PurchaseLedger purchaseLedger);
    List<IncomeExpenseAnalysisDto> selectPurchaseStats(@Param("startDate") String startDate, @Param("endDate") String endDate, @Param("dateFormat") String dateFormat);
    BigDecimal selectTotalPurchaseAmount(@Param("startDate") String startDate, @Param("endDate") String endDate);