diff --git a/CampusService.java b/CampusService.java
new file mode 100644
index 0000000..63e7f7b
--- /dev/null
+++ b/CampusService.java
@@ -0,0 +1,17 @@
+package com.campus.service;
+
+import com.campus.domain.Goods;
+import com.campus.domain.User;
+
+import java.util.List;
+
+public interface CampusService{
+    Boolean userLogin(User user);
+    Boolean newUser(User user);
+    Boolean userUpdate(User user);
+    List<User> userselect(User user);
+    Boolean goodsInter(Goods goods);
+    Boolean goodsUpdate(Goods goods);
+    Boolean goodsDelete(Goods goods);
+    List<Goods> goodsSelect(Goods goods);
+}