ADD file via upload

flower_back/src/main/java/com/example/flower/service/PackService.java

@@ -0,0 +1,46 @@
+package com.example.flower.service;
+
+import com.example.flower.entity.Pack;
+import com.example.flower.mapper.PackMapper;
+import com.example.flower.service.impl.PackServiceImpl;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+
+@Service
+public class PackService implements PackServiceImpl {
+    @Resource
+    private PackMapper packMapper;
+
+    @Override
+    public PageInfo<Pack> packList(int page, int page_size) {
+        PageHelper.startPage(page,page_size);
+        return new PageInfo<>(packMapper.packList());
+    }
+    @Override
+    public PageInfo<Pack> packListByQuery(int page,int page_size,String pack_name){
+        PageHelper.startPage(page,page_size);
+        return new PageInfo<>(packMapper.packListByQuery(pack_name));
+    }
+    @Override
+    public void packAdd(Pack pack){
+        packMapper.packAdd(pack);
+    }
+    @Override
+    public int packDeletePer(int pack_id){
+        return packMapper.packDeletePer(pack_id);
+    }
+    @Override
+    public int packDeleteMul(int[] pack_ids){
+        return packMapper.packDeleteMul(pack_ids);
+    }
+    @Override
+    public Pack packInfo(int pack_id){
+        return packMapper.packInfo(pack_id);
+    }
+    @Override
+    public int packModify(Pack pack){
+        return packMapper.packModify(pack);
+    }
+}