productDetail家唯一

src/main/java/com/uas/platform/b2c/prod/commodity/model/ProductDetail.java

@@ -28,7 +28,7 @@ public class ProductDetail implements Serializable{
     /**
      * 物料id
      */
-    @Column(name = "prd_productid")
+    @Column(name = "prd_productid", unique = true)
     private Long productId;
 
     /**