ADD file via upload

flower_back/src/main/java/com/example/flower/service/impl/GiftServiceImpl.java

@@ -0,0 +1,19 @@
+package com.example.flower.service.impl;
+
+import com.example.flower.entity.Gift;
+import com.github.pagehelper.PageInfo;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.stereotype.Repository;
+
+@Mapper
+@Repository
+public interface GiftServiceImpl {
+    PageInfo<Gift> giftList(int page, int page_size);
+    PageInfo<Gift> giftListByQuery(int page,int page_size,String gift_name);
+    void giftAdd(Gift gift);
+    int giftDeletePer(int gift_id);
+    int giftDeleteMul(int[] gift_ids);
+    Gift giftInfo(int gift_id);
+    int giftModify(Gift gift);
+    int giftModifyStock(int gift_id,int gift_stock);
+}