feat(新增-商品管理): 查询商品详情

Signed-off-by: bunny <1319900154@qq.com>

spzx-manager/src/main/java/com/atguigu/spzx/manger/controller/ProductController.java

@@ -43,4 +43,11 @@ public class ProductController {
         productService.save(product);
         return Result.success();
     }
+
+    @Operation(summary = "查询商品详情", description = "查询商品详情")
+    @GetMapping("getById/{id}")
+    public Result<Product> getById(@PathVariable Long id) {
+        Product product = productService.getById(id);
+        return Result.success(product);
+    }
 }

spzx-manager/src/main/java/com/atguigu/spzx/manger/mapper/ProductDetailsMapper.java

@@ -11,4 +11,12 @@ public interface ProductDetailsMapper {
      * @param productDetails 商品实体类
      */
     void save(ProductDetails productDetails);
+
+    /**
+     * 根据商品的id查询商品详情数据
+     *
+     * @param id 查询的ID
+     * @return ProductDetails
+     */
+    ProductDetails selectByProductId(Long id);
 }

spzx-manager/src/main/java/com/atguigu/spzx/manger/mapper/ProductMapper.java

@@ -22,4 +22,12 @@ public interface ProductMapper {
      * @param product 商品实体类
      */
     void save(Product product);
+
+    /**
+     * 根据id查询商品数据
+     *
+     * @param id 查询的ID
+     * @return 商品实体类
+     */
+    Product selectById(Long id);
 }

spzx-manager/src/main/java/com/atguigu/spzx/manger/mapper/ProductSkuMapper.java

@@ -3,6 +3,8 @@ package com.atguigu.spzx.manger.mapper;
 import com.atguigu.spzx.model.entity.product.ProductSku;
 import org.apache.ibatis.annotations.Mapper;
 
+import java.util.List;
+
 @Mapper
 public interface ProductSkuMapper {
     /**
@@ -11,4 +13,12 @@ public interface ProductSkuMapper {
      * @param productSku 商品实体类
      */
     void save(ProductSku productSku);
+
+    /**
+     * 根据商品的id查询sku数据
+     *
+     * @param id 查询的ID
+     * @return 商品实体类列表
+     */
+    List<ProductSku> selectByProductId(Long id);
 }

spzx-manager/src/main/java/com/atguigu/spzx/manger/service/ProductService.java

@@ -21,4 +21,12 @@ public interface ProductService {
      * @param product 商品实体类
      */
     void save(Product product);
+
+    /**
+     * 查询商品详情
+     *
+     * @param id 查询ID
+     * @return 商品实体类
+     */
+    Product getById(Long id);
 }

spzx-manager/src/main/java/com/atguigu/spzx/manger/service/impl/ProductServiceImpl.java

@@ -78,4 +78,26 @@ public class ProductServiceImpl implements ProductService {
         productDetails.setImageUrls(product.getDetailsImageUrls());
         productDetailsMapper.save(productDetails);
     }
+
+    /**
+     * 查询商品详情
+     *
+     * @param id 查询ID
+     * @return 商品实体类
+     */
+    @Override
+    public Product getById(Long id) {
+        // 根据id查询商品数据
+        Product product = productMapper.selectById(id);
+        //  根据商品的id查询sku数据
+        List<ProductSku> productSkuList = productSkuMapper.selectByProductId(id);
+        product.setProductSkuList(productSkuList);
+
+        // 根据商品的id查询商品详情数据
+        ProductDetails productDetails = productDetailsMapper.selectByProductId(product.getId());
+        product.setDetailsImageUrls(productDetails.getImageUrls());
+        
+        // 返回数据
+        return product;
+    }
 }

spzx-manager/src/main/resources/mapper/ProductDetailsMapper.xml

@@ -1,9 +1,23 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
 <mapper namespace="com.atguigu.spzx.manger.mapper.ProductDetailsMapper">
+    <!-- 用于select查询公用抽取的列 -->
+    <sql id="columns">
+        id,product_id,image_urls,create_time,update_time,is_deleted
+    </sql>
 
     <!-- 保存数据 -->
     <insert id="save" useGeneratedKeys="true" keyProperty="id">
         insert into product_details (id, product_id, image_urls, create_time, update_time, is_deleted)
-        values (#{id}, #{productId}, #{imageUrls}, now(), now(), 0)    </insert>
+        values (#{id}, #{productId}, #{imageUrls}, now(), now(), 0)
+    </insert>
+
+
+    <select id="selectByProductId" resultType="com.atguigu.spzx.model.entity.product.ProductDetails">
+        select
+        <include refid="columns"/>
+        from product_details
+        where
+        product_id = #{productId}
+    </select>
 </mapper>

spzx-manager/src/main/resources/mapper/ProductMapper.xml

@@ -43,4 +43,33 @@
         </where>
         order by id desc
     </select>
+
+    <!-- 根据id查询商品数据 -->
+    <select id="selectById" resultType="com.atguigu.spzx.model.entity.product.Product">
+        select p.id,
+               p.name,
+               p.brand_id,
+               p.category1_id,
+               p.category2_id,
+               p.category3_id,
+               p.unit_name,
+               p.slider_urls,
+               p.spec_value,
+               p.status,
+               p.audit_status,
+               p.audit_message,
+               p.create_time,
+               p.update_time,
+               p.is_deleted,
+               b.name  brandName,
+               c1.name category1Name,
+               c2.name category2Name,
+               c2.name category3Name
+        from product p
+                 LEFT JOIN brand b on b.id = p.brand_id
+                 LEFT JOIN category c1 on c1.id = p.category1_id
+                 LEFT JOIN category c2 on c2.id = p.category2_id
+                 LEFT JOIN category c3 on c3.id = p.category3_id
+        where p.id = #{id}
+    </select>
 </mapper>

spzx-manager/src/main/resources/mapper/ProductSkuMapper.xml

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
 <mapper namespace="com.atguigu.spzx.manger.mapper.ProductSkuMapper">
+    <!-- 用于select查询公用抽取的列 -->
+    <sql id="columns">
+        id,sku_code,sku_name,product_id,thumb_img,sale_price,market_price,cost_price,stock_num,sku_spec,weight,volume,status,create_time,update_time,is_deleted
+    </sql>
 
     <!-- 保存数据 -->
     <insert id="save" useGeneratedKeys="true" keyProperty="id">
@@ -10,4 +14,14 @@
         values (#{id}, #{skuCode}, #{skuName}, #{productId}, #{thumbImg}, #{salePrice}, #{marketPrice},
                 #{costPrice}, #{stockNum}, #{skuSpec}, #{weight}, #{volume}, #{status}, #{saleNum}, now(), now(), 0)
     </insert>
+
+    <!-- 根据商品的id查询sku数据 -->
+    <select id="selectByProductId" resultType="com.atguigu.spzx.model.entity.product.ProductSku">
+        select
+        <include refid="columns"/>
+        from product_sku
+        where product_id = #{productId}
+        and is_deleted = 0
+        order by id desc
+    </select>
 </mapper>