4.26修复bug：商品名称对应错误

src/main/java/com/example/demo/controller/ProductController.java

@@ -20,6 +20,11 @@ public class ProductController {
     public Result Product(@RequestBody Product product){
        return Result.success(productService.findAll(product));
     }
+    // 所有消费明细---获取商品名
+    @PostMapping("/findProductName")
+    public Result getProductName(){
+        return Result.success(productService.findAllProductName());
+    }
     @PostMapping("/add")
     public Result add(@RequestBody Product product){
         return Result.success(productService.add(product));

src/main/java/com/example/demo/mapper/ProductMapper.java

@@ -19,4 +19,7 @@ public interface ProductMapper {
             "select * from product"
     })
     public List<Product> findAll(Product product);
+
+    // 查询消费表的所有商品名称
+    List<String> findAllProductName();
 }

src/main/java/com/example/demo/serviceImpl/ProductServiceImpl.java

@@ -32,4 +32,9 @@ public class ProductServiceImpl implements ProductService {
     public List<Index> findIndex(Index index) {
         return productMapper.findIndex(index);
     }
+
+    @Override
+    public List<String> findAllProductName() {
+        return productMapper.findAllProductName();
+    }
 }

src/main/java/com/example/demo/sevice/ProductService.java

@@ -10,4 +10,7 @@ public interface ProductService {
     int add(Product product);
     List<Product> findAll(Product product);
     List<Index> findIndex(Index index);
+
+        //查询 消费表的商品名
+    List<String> findAllProductName();
 }

src/main/resources/mapper/ConsumeMapper.xml

@@ -31,7 +31,7 @@
         SELECT
         detail_y.*,
         admin.name AS adminName,
-        product.name AS productName
+       /* product.name AS productName*/
         FROM detail_y
         LEFT JOIN `admin` ON detail_y.admin_id = admin.admin_id
         LEFT JOIN `user` ON detail_y.jwcode = user.jwcode

src/main/resources/mapper/ProductMapper.xml

@@ -10,4 +10,9 @@
     <select id="findIndex" resultType="com.example.demo.domain.entity.Index">
         SELECT * FROM `index` WHERE type = #{type}
     </select>
+
+    <!--查询消费表的商品名-->
+    <select id="findAllProductName" resultType="java.lang.String">
+        select DISTINCT product_name from detail_y
+    </select>
 </mapper>