ADD file via upload

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

@@ -0,0 +1,18 @@
+package com.example.flower.service.impl;
+
+import com.example.flower.entity.Notice;
+import com.github.pagehelper.PageInfo;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.stereotype.Repository;
+
+@Mapper
+@Repository
+public interface NoticeServiceImpl {
+    PageInfo<Notice> noticeList(int page, int page_size);
+    PageInfo<Notice> noticeListByQuery(int page,int page_size,String notice_content);
+    void noticeAdd(Notice notice);
+    int noticeDeletePer(int notice_id);
+    int noticeDeleteMul(int[] notice_ids);
+    Notice noticeInfo(int notice_id);
+    int noticeModify(Notice notice);
+}