ADD file via upload

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

@@ -0,0 +1,18 @@
+package com.example.flower.service.impl;
+
+import com.example.flower.entity.Pack;
+import com.github.pagehelper.PageInfo;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.stereotype.Repository;
+
+@Mapper
+@Repository
+public interface PackServiceImpl {
+    PageInfo<Pack> packList(int page, int page_size);
+    PageInfo<Pack> packListByQuery(int page,int page_size,String pack_name);
+    void packAdd(Pack staff);
+    int packDeletePer(int pack_id);
+    int packDeleteMul(int[] pack_ids);
+    Pack packInfo(int pack_id);
+    int packModify(Pack pack);
+}