From 78e8144e8713af9e6b3aa14ff1f8b4091d698616 Mon Sep 17 00:00:00 2001
From: gongchunyi <deslre0381@gmail.com>
Date: 星期五, 24 四月 2026 14:25:13 +0800
Subject: [PATCH] feat: 产品维护导出功能

---
 src/main/java/com/ruoyi/basic/controller/ProductController.java         |   13 +++++-
 src/main/java/com/ruoyi/basic/dto/ProductModelDataExportDto.java        |   20 ++++++++++
 src/main/java/com/ruoyi/basic/service/impl/ProductModelServiceImpl.java |   62 +++++++++++++++++++++++++++++++
 3 files changed, 93 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/ruoyi/basic/controller/ProductController.java b/src/main/java/com/ruoyi/basic/controller/ProductController.java
index 252ab4d..c14f6b7 100644
--- a/src/main/java/com/ruoyi/basic/controller/ProductController.java
+++ b/src/main/java/com/ruoyi/basic/controller/ProductController.java
@@ -17,8 +17,6 @@
 import com.ruoyi.framework.web.domain.AjaxResult;
 import com.ruoyi.sales.pojo.SalesLedgerProduct;
 import com.ruoyi.sales.service.ISalesLedgerProductService;
-import com.ruoyi.sales.service.ISalesLedgerService;
-import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.AllArgsConstructor;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -38,6 +36,7 @@
     private IProductModelService productModelService;
     @Autowired
     private ISalesLedgerProductService salesLedgerProductService;
+
     /**
      * 鏌ヨ浜у搧
      */
@@ -143,4 +142,14 @@
         ExcelUtil<ProductModelExportDto> excelUtil = new ExcelUtil<>(ProductModelExportDto.class);
         excelUtil.importTemplateExcel(response, "浜у搧瑙勬牸瀵煎叆妯℃澘");
     }
+
+    /**
+     * 浜у搧瀵煎嚭
+     */
+    @GetMapping("exportData")
+    @ApiOperation("浜у搧瀵煎嚭")
+    public void exportData(HttpServletResponse response, Long productId) {
+        productModelService.exportData(response, productId);
+    }
+
 }
diff --git a/src/main/java/com/ruoyi/basic/dto/ProductModelDataExportDto.java b/src/main/java/com/ruoyi/basic/dto/ProductModelDataExportDto.java
new file mode 100644
index 0000000..ae53083
--- /dev/null
+++ b/src/main/java/com/ruoyi/basic/dto/ProductModelDataExportDto.java
@@ -0,0 +1,20 @@
+package com.ruoyi.basic.dto;
+
+import com.ruoyi.framework.aspectj.lang.annotation.Excel;
+import lombok.Data;
+
+@Data
+public class ProductModelDataExportDto {
+
+    @Excel(name = "浜у搧澶х被")
+    private String productCategoryName;
+
+    @Excel(name = "浜у搧鍚嶇О")
+    private String productName;
+
+    @Excel(name = "瑙勬牸鍨嬪彿")
+    private String model;
+
+    @Excel(name = "鍗曚綅")
+    private String unit;
+}
diff --git a/src/main/java/com/ruoyi/basic/service/impl/ProductModelServiceImpl.java b/src/main/java/com/ruoyi/basic/service/impl/ProductModelServiceImpl.java
index 9382134..41daac9 100644
--- a/src/main/java/com/ruoyi/basic/service/impl/ProductModelServiceImpl.java
+++ b/src/main/java/com/ruoyi/basic/service/impl/ProductModelServiceImpl.java
@@ -7,6 +7,7 @@
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.ruoyi.basic.dto.ProductDto;
+import com.ruoyi.basic.dto.ProductModelDataExportDto;
 import com.ruoyi.basic.dto.ProductModelDto;
 import com.ruoyi.basic.mapper.ProductMapper;
 import com.ruoyi.basic.mapper.ProductModelMapper;
@@ -25,6 +26,7 @@
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.servlet.http.HttpServletResponse;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -151,4 +153,64 @@
             throw new ServiceException("瀵煎叆澶辫触");
         }
     }
+
+    @Override
+    public void exportData(HttpServletResponse response, Long productId) {
+        List<Product> allProducts = productMapper.selectList(null);
+        Map<Long, Product> productMap = allProducts.stream()
+                .filter(product -> product.getId() != null)
+                .collect(Collectors.toMap(Product::getId, product -> product));
+        Map<Long, List<Long>> parentChildrenMap = new HashMap<>();
+        for (Product product : allProducts) {
+            if (product.getParentId() == null || product.getId() == null) {
+                continue;
+            }
+            parentChildrenMap.computeIfAbsent(product.getParentId(), key -> new ArrayList<>()).add(product.getId());
+        }
+
+        LambdaQueryWrapper<ProductModel> queryWrapper = new LambdaQueryWrapper<>();
+        if (productId != null) {
+            Set<Long> targetProductIds = new HashSet<>();
+            ArrayDeque<Long> queue = new ArrayDeque<>();
+            queue.offer(productId);
+            while (!queue.isEmpty()) {
+                Long currentId = queue.poll();
+                if (currentId == null || !targetProductIds.add(currentId)) {
+                    continue;
+                }
+                List<Long> children = parentChildrenMap.get(currentId);
+                if (children != null && !children.isEmpty()) {
+                    queue.addAll(children);
+                }
+            }
+            queryWrapper.in(ProductModel::getProductId, targetProductIds);
+        }
+        List<ProductModel> productModelList = list(queryWrapper);
+        List<ProductModelDataExportDto> exportList = productModelList.stream().map(item -> {
+            ProductModelDataExportDto dto = new ProductModelDataExportDto();
+            Product currentProduct = productMap.get(item.getProductId());
+            dto.setProductName(currentProduct == null ? "" : currentProduct.getProductName());
+            dto.setProductCategoryName(resolveRootCategoryName(currentProduct, productMap));
+            dto.setModel(item.getModel());
+            dto.setUnit(item.getUnit());
+            return dto;
+        }).collect(Collectors.toList());
+        ExcelUtil<ProductModelDataExportDto> excelUtil = new ExcelUtil<>(ProductModelDataExportDto.class);
+        excelUtil.exportExcel(response, exportList, "浜у搧瑙勬牸鏁版嵁");
+    }
+
+    private String resolveRootCategoryName(Product currentProduct, Map<Long, Product> productMap) {
+        if (currentProduct == null) {
+            return "";
+        }
+        Product node = currentProduct;
+        while (node.getParentId() != null) {
+            Product parent = productMap.get(node.getParentId());
+            if (parent == null) {
+                break;
+            }
+            node = parent;
+        }
+        return node.getProductName();
+    }
 }

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