!45 !44 comment

* !44 comment
* !39 添加下行日志打印
* !36 扩展计价领域模型
* !35 webui 初步成型
* !34 webui 初步成型

jcpp-web-ui/src/components/ProtectedRoute.tsx

@@ -0,0 +1,40 @@
+/*
+ * 开源代码，仅供学习和交流研究使用，商用请联系三丙
+ * 微信：mohan_88888
+ * 抖音：程序员三丙
+ * 付费课程知识星球：https://t.zsxq.com/aKtXo
+ */
+import React from 'react';
+import {Navigate} from 'react-router-dom';
+import {Spin} from 'antd';
+import {useAuth} from '../contexts/AuthContext';
+
+interface ProtectedRouteProps {
+  children: React.ReactNode;
+}
+
+const ProtectedRoute: React.FC<ProtectedRouteProps> = ({ children }) => {
+  const { isAuthenticated, loading } = useAuth();
+
+  if (loading) {
+    return (
+      <div style={{ 
+        display: 'flex', 
+        justifyContent: 'center', 
+        alignItems: 'center', 
+        height: '100vh' 
+      }}>
+        <Spin size="large" />
+      </div>
+    );
+  }
+
+  if (!isAuthenticated) {
+    return <Navigate to="/login" replace />;
+  }
+
+  return <>{children}</>;
+};
+
+export default ProtectedRoute;
+