diff --git a/flower_back/src/main/java/com/example/flower/mapper/CommentMapper.java b/flower_back/src/main/java/com/example/flower/mapper/CommentMapper.java
new file mode 100644
index 0000000..cbe408f
--- /dev/null
+++ b/flower_back/src/main/java/com/example/flower/mapper/CommentMapper.java
@@ -0,0 +1,15 @@
+package com.example.flower.mapper;
+
+import com.example.flower.entity.Comment;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Mapper
+@Repository
+public interface CommentMapper {
+    List<Comment> commentList(int flower_id); //获取商品评论信息
+    void commentAdd(Comment comment); //添加新评论
+    List<Comment> findAllComment(); //查找所有评论
+}