添加了商品信息的qo参数，和dao层信息

src/main/java/com/xkrs/dao/ProductContentPhotoDao.java

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+package com.xkrs.dao;
+
+import com.xkrs.model.entity.ProductContentPhotoEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+/**
+ * @Author: XinYi Song
+ * @Date: 2021/12/15 15:21
+ */
+public interface ProductContentPhotoDao extends JpaRepository<ProductContentPhotoEntity,Long> {
+}

src/main/java/com/xkrs/dao/ProductDao.java

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+package com.xkrs.dao;
+
+import com.xkrs.model.entity.ProductEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+/**
+ * @Author: XinYi Song
+ * @Date: 2021/12/15 15:21
+ */
+public interface ProductDao extends JpaRepository<ProductEntity,Long> {
+
+    /**
+     * 根据商品名称查询商品信息
+     * @param productName
+     * @return
+     */
+    ProductEntity findByProductName(String productName);
+}

src/main/java/com/xkrs/model/qo/ProductQo.java

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+package com.xkrs.model.qo;
+
+import com.xkrs.model.validation.ProductQoInsert;
+
+import javax.validation.constraints.NotBlank;
+import java.math.BigDecimal;
+
+/**
+ * @Author: XinYi Song
+ * @Date: 2021/12/15 15:29
+ */
+public class ProductQo {
+
+    /**
+     * 商品名称
+     */
+    @NotBlank(message = "{Product.productName.null}",groups={ProductQoInsert.class})
+    private String productName;
+
+    /**
+     * 商品描述
+     */
+    @NotBlank(message = "{Product.productDescription.null}",groups={ProductQoInsert.class})
+    private String productDescription;
+
+    /**
+     * 商品分类
+     */
+    private Integer productCategories;
+
+    /**
+     * 商品价格
+     */
+    @NotBlank(message = "{Product.productPrice.null}",groups={ProductQoInsert.class})
+    private BigDecimal productPrice;
+
+    public String getProductName() {
+        return productName;
+    }
+
+    public void setProductName(String productName) {
+        this.productName = productName;
+    }
+
+    public String getProductDescription() {
+        return productDescription;
+    }
+
+    public void setProductDescription(String productDescription) {
+        this.productDescription = productDescription;
+    }
+
+    public Integer getProductCategories() {
+        return productCategories;
+    }
+
+    public void setProductCategories(Integer productCategories) {
+        this.productCategories = productCategories;
+    }
+
+    public BigDecimal getProductPrice() {
+        return productPrice;
+    }
+
+    public void setProductPrice(BigDecimal productPrice) {
+        this.productPrice = productPrice;
+    }
+}

src/main/java/com/xkrs/model/validation/ProductQoInsert.java

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+package com.xkrs.model.validation;
+
+/**
+ * @Author: XinYi Song
+ * @Date: 2021/12/15 15:29
+ */
+public interface ProductQoInsert {
+}