添加后台管理功能

web/System/messageManage.jsp

@@ -0,0 +1,16 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: LDQ
+  Date: 2023/6/9
+  Time: 16:57
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+留言管理
+</body>
+</html>