feat:增加菜单栏模块

lib/pages/profile_page.dart

@@ -0,0 +1,78 @@
+import 'package:flutter/material.dart';
+
+class ProfilePage extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return SingleChildScrollView(
+      padding: EdgeInsets.all(16),
+      child: Column(
+        children: [
+          // 个人信息卡片
+          Card(
+            elevation: 4,
+            shape: RoundedRectangleBorder(
+              borderRadius: BorderRadius.circular(16),
+            ),
+            child: Padding(
+              padding: EdgeInsets.all(20),
+              child: Row(
+                children: [
+                  CircleAvatar(
+                    radius: 40,
+                    backgroundColor: Colors.blue,
+                    child: Icon(Icons.person, size: 40, color: Colors.white),
+                  ),
+                  SizedBox(width: 16),
+                  Expanded(
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        Text(
+                          '张小明',
+                          style: TextStyle(
+                            fontSize: 20,
+                            fontWeight: FontWeight.bold,
+                          ),
+                        ),
+                        SizedBox(height: 4),
+                        Text('高级用户', style: TextStyle(color: Colors.grey)),
+                        SizedBox(height: 8),
+                        Row(
+                          children: [
+                            Icon(Icons.star, size: 16, color: Colors.amber),
+                            SizedBox(width: 4),
+                            Text('会员等级: VIP3'),
+                          ],
+                        ),
+                      ],
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+
+          SizedBox(height: 20),
+
+          // 详细信息
+          _buildInfoItem('手机号码', '138****1234', Icons.phone),
+          _buildInfoItem('邮箱地址', 'zhang@example.com', Icons.email),
+          _buildInfoItem('注册时间', '2024年1月15日', Icons.calendar_today),
+          _buildInfoItem('所在地区', '北京市朝阳区', Icons.location_on),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildInfoItem(String title, String value, IconData icon) {
+    return Card(
+      margin: EdgeInsets.only(bottom: 12),
+      child: ListTile(
+        leading: Icon(icon, color: Colors.blue),
+        title: Text(title),
+        subtitle: Text(value),
+        trailing: Icon(Icons.edit, size: 20),
+      ),
+    );
+  }
+}