diff --git a/flower_back/src/main/java/com/example/flower/service/impl/UserServiceImpl.java b/flower_back/src/main/java/com/example/flower/service/impl/UserServiceImpl.java
new file mode 100644
index 0000000..acc3d3d
--- /dev/null
+++ b/flower_back/src/main/java/com/example/flower/service/impl/UserServiceImpl.java
@@ -0,0 +1,28 @@
+package com.example.flower.service.impl;
+
+import com.example.flower.entity.User;
+import com.github.pagehelper.PageInfo;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.stereotype.Repository;
+
+@Mapper
+@Repository
+public interface UserServiceImpl {
+    PageInfo<User> userList(int page,int page_size);
+
+    //后台
+    PageInfo<User> userListByQuery(int page,int page_size,String user_name);
+    int userDeletePer(int user_id);
+    int userDeleteMul(int[] user_ids);
+    int userModifyState(int user_id,int user_state);
+
+    //前台
+    User userLogin(String user_name);
+    void userRegister(User user);
+
+    User findByName(String user_name);
+    User userInfo(int user_id);
+    int userModify(User user);
+    int userModifyMember(User user);
+    int userModifyPoint(User user);
+}