From 5d9774aaaf736880957eb38eb3f5acc11684ecc6 Mon Sep 17 00:00:00 2001
From: Agent <agent@openclaw.ai>
Date: Tue, 31 Mar 2026 15:49:27 +0000
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=88=A0=E9=99=A4=E5=88=86=E7=B1=BB?=
 =?UTF-8?q?=E6=97=B6=E5=85=88=E7=BD=AE=E7=A9=BA=E5=85=B3=E8=81=94=E4=BA=A7?=
 =?UTF-8?q?=E5=93=81=E7=9A=84category=5Fid?=
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---
 .../example/building/service/impl/ProductServiceImpl.java  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/main/java/com/example/building/service/impl/ProductServiceImpl.java b/src/main/java/com/example/building/service/impl/ProductServiceImpl.java
index 1fbcdc5..771f257 100644
--- a/src/main/java/com/example/building/service/impl/ProductServiceImpl.java
+++ b/src/main/java/com/example/building/service/impl/ProductServiceImpl.java
@@ -68,9 +68,16 @@ public class ProductServiceImpl implements ProductService {
 
     /**
      * 删除分类
+     * 需要先处理关联的产品（硬删除已软删除的产品）
      */
     @Override
     public void deleteCategory(String id) {
+        // 先将关联该分类的产品的 category_id 置空（处理软删除的产品）
+        Product product = new Product();
+        product.setCategoryId(null);
+        productMapper.update(product, new LambdaQueryWrapper<Product>()
+                .eq(Product::getCategoryId, id));
+        // 再删除分类
         categoryMapper.deleteById(id);
     }