From 584581e720afbd74866db70904ebed80157c141f Mon Sep 17 00:00:00 2001
From: wkc <978997012@qq.com>
Date: Fri, 6 Feb 2026 15:51:29 +0800
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---
 .../ICcdiPurchaseTransactionService.java      | 85 +++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionService.java

diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionService.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionService.java
new file mode 100644
index 0000000..795b8a2
--- /dev/null
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionService.java
@@ -0,0 +1,85 @@
+package com.ruoyi.ccdi.service;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.ruoyi.ccdi.domain.dto.CcdiPurchaseTransactionAddDTO;
+import com.ruoyi.ccdi.domain.dto.CcdiPurchaseTransactionEditDTO;
+import com.ruoyi.ccdi.domain.dto.CcdiPurchaseTransactionQueryDTO;
+import com.ruoyi.ccdi.domain.excel.CcdiPurchaseTransactionExcel;
+import com.ruoyi.ccdi.domain.vo.CcdiPurchaseTransactionVO;
+
+import java.util.List;
+
+/**
+ * 采购交易信息 服务层
+ *
+ * @author ruoyi
+ * @date 2026-02-06
+ */
+public interface ICcdiPurchaseTransactionService {
+
+    /**
+     * 查询采购交易列表
+     *
+     * @param queryDTO 查询条件
+     * @return 采购交易VO集合
+     */
+    List<CcdiPurchaseTransactionVO> selectTransactionList(CcdiPurchaseTransactionQueryDTO queryDTO);
+
+    /**
+     * 分页查询采购交易列表
+     *
+     * @param page     分页对象
+     * @param queryDTO 查询条件
+     * @return 采购交易VO分页结果
+     */
+    Page<CcdiPurchaseTransactionVO> selectTransactionPage(Page<CcdiPurchaseTransactionVO> page, CcdiPurchaseTransactionQueryDTO queryDTO);
+
+    /**
+     * 查询采购交易列表（用于导出）
+     *
+     * @param queryDTO 查询条件
+     * @return 采购交易Excel实体集合
+     */
+    List<CcdiPurchaseTransactionExcel> selectTransactionListForExport(CcdiPurchaseTransactionQueryDTO queryDTO);
+
+    /**
+     * 查询采购交易详情
+     *
+     * @param purchaseId 采购事项ID
+     * @return 采购交易VO
+     */
+    CcdiPurchaseTransactionVO selectTransactionById(String purchaseId);
+
+    /**
+     * 新增采购交易
+     *
+     * @param addDTO 新增DTO
+     * @return 结果
+     */
+    int insertTransaction(CcdiPurchaseTransactionAddDTO addDTO);
+
+    /**
+     * 修改采购交易
+     *
+     * @param editDTO 编辑DTO
+     * @return 结果
+     */
+    int updateTransaction(CcdiPurchaseTransactionEditDTO editDTO);
+
+    /**
+     * 批量删除采购交易
+     *
+     * @param purchaseIds 需要删除的采购事项ID
+     * @return 结果
+     */
+    int deleteTransactionByIds(String[] purchaseIds);
+
+    /**
+     * 导入采购交易数据（异步）
+     *
+     * @param excelList     Excel实体列表
+     * @param isUpdateSupport 是否更新支持
+     * @return 任务ID
+     */
+    String importTransaction(List<CcdiPurchaseTransactionExcel> excelList, Boolean isUpdateSupport);
+}