refactor : 登录页

lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get_navigation/src/root/get_material_app.dart';
 import 'package:get_storage/get_storage.dart';
@@ -9,7 +10,11 @@ import 'package:problem_check_system/app/bindings/initial_binding.dart';
 void main() async {
   // 确保 Flutter Binding 已初始化
   WidgetsFlutterBinding.ensureInitialized();
-
+  // 设置应用为竖屏模式
+  SystemChrome.setPreferredOrientations([
+    DeviceOrientation.portraitUp,
+    DeviceOrientation.portraitDown,
+  ]);
   // 初始化 GetStorage，这是关键步骤
   await GetStorage.init();
 

lib/modules/auth/views/login_page.dart

@@ -9,25 +9,27 @@ class LoginPage extends GetView<AuthController> {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
-      body: Stack(children: [_buildBackground(), _buildLoginCard(controller)]),
-    );
+    return Scaffold(body: SingleChildScrollView(child: _buildBackground()));
   }
 
   Widget _buildBackground() {
-    return Stack(
-      children: [
-        Container(
+    return Container(
       decoration: const BoxDecoration(
         image: DecorationImage(
           image: AssetImage('assets/images/background.png'),
+          // 使用 BoxFit.cover 确保图片填充整个容器，不留空白
           fit: BoxFit.fitWidth,
+          alignment: Alignment.topCenter,
         ),
       ),
-        ),
-        Positioned(
-          left: 28.5.w,
-          top: 89.5.h,
+      child: Stack(
+        children: [
+          Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              SizedBox(height: 89.5.h),
+              Padding(
+                padding: EdgeInsets.only(left: 28.5.w),
                 child: Image.asset(
                   'assets/images/label.png',
                   width: 171.5.w,
@@ -35,9 +37,9 @@ class LoginPage extends GetView<AuthController> {
                   fit: BoxFit.fitWidth,
                 ),
               ),
-        Positioned(
-          left: 28.5.w,
-          top: 128.5.h,
+              SizedBox(height: 15.5.h),
+              Padding(
+                padding: EdgeInsets.only(left: 28.5.w),
                 child: Image.asset(
                   'assets/images/label1.png',
                   width: 296.5.w,
@@ -45,16 +47,18 @@ class LoginPage extends GetView<AuthController> {
                   fit: BoxFit.fitWidth,
                 ),
               ),
+              SizedBox(height: 56.5.h),
+              Center(child: _buildLoginCard(controller)),
             ],
+          ),
+        ],
+      ),
     );
   }
 
   // 修改 _buildLoginCard 方法，它不再需要传入 TextEditingController
   Widget _buildLoginCard(AuthController controller) {
-    return Positioned(
-      left: 20.5.w,
-      top: 220.5.h,
-      child: Container(
+    return Container(
       width: 334.w,
       height: 574.5.h,
       decoration: BoxDecoration(
@@ -85,7 +89,6 @@ class LoginPage extends GetView<AuthController> {
           _buildLoginButton(controller),
         ],
       ),
-      ),
     );
   }