登陆注册后端接口

Change-Id: Ida548e4f32a505259dd180a5ae1ff8989ccfc076
diff --git a/src/main/java/api/ApiInterface.java b/src/main/java/api/ApiInterface.java
index 2b4a3a3..4a2c02e 100644
--- a/src/main/java/api/ApiInterface.java
+++ b/src/main/java/api/ApiInterface.java
@@ -62,4 +62,17 @@
     ResponseEntity<String> getUserStat(
         @RequestParam("userid") String userid
     );
+
+    @PostMapping("/login")
+    ResponseEntity<String> loginUser(
+        @RequestBody String requestBody
+    );
+
+    @PostMapping("/register")
+    ResponseEntity<Integer> registerUser(
+        @RequestBody String requestBody
+    );
+
+    @GetMapping("/forum")
+    ResponseEntity<String> getForum();
 }
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