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

@@ -9,82 +9,85 @@ 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(
-          decoration: const BoxDecoration(
-            image: DecorationImage(
-              image: AssetImage('assets/images/background.png'),
-              fit: BoxFit.fitWidth,
-            ),
-          ),
-        ),
-        Positioned(
-          left: 28.5.w,
-          top: 89.5.h,
-          child: Image.asset(
-            'assets/images/label.png',
-            width: 171.5.w,
-            height: 23.5.h,
-            fit: BoxFit.fitWidth,
-          ),
+    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: 128.5.h,
-          child: Image.asset(
-            'assets/images/label1.png',
-            width: 296.5.w,
-            height: 35.5.h,
-            fit: BoxFit.fitWidth,
+      ),
+      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,
+                  height: 23.5.h,
+                  fit: BoxFit.fitWidth,
+                ),
+              ),
+              SizedBox(height: 15.5.h),
+              Padding(
+                padding: EdgeInsets.only(left: 28.5.w),
+                child: Image.asset(
+                  'assets/images/label1.png',
+                  width: 296.5.w,
+                  height: 35.5.h,
+                  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(
-        width: 334.w,
-        height: 574.5.h,
-        decoration: BoxDecoration(
-          color: const Color(0xFFFFFFFF).withOpacity(0.6),
-          borderRadius: BorderRadius.all(Radius.circular(23.5.r)),
-        ),
-        padding: EdgeInsets.all(24.w),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            const SizedBox(height: 16),
-            // 直接使用控制器中的 TextEditingController
-            _buildTextFieldSection(
-              label: '账号',
-              hintText: '请输入您的账号',
-              controller: controller.usernameController,
-            ),
-            const SizedBox(height: 22),
-            _buildTextFieldSection(
-              label: '密码',
-              hintText: '请输入您的密码',
-              obscureText: true,
-              controller: controller.passwordController,
-            ),
-            const SizedBox(height: 9.5),
-            _buildRememberPasswordRow(controller),
-            const SizedBox(height: 138.5),
-            _buildLoginButton(controller),
-          ],
-        ),
+    return Container(
+      width: 334.w,
+      height: 574.5.h,
+      decoration: BoxDecoration(
+        color: const Color(0xFFFFFFFF).withOpacity(0.6),
+        borderRadius: BorderRadius.all(Radius.circular(23.5.r)),
+      ),
+      padding: EdgeInsets.all(24.w),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          const SizedBox(height: 16),
+          // 直接使用控制器中的 TextEditingController
+          _buildTextFieldSection(
+            label: '账号',
+            hintText: '请输入您的账号',
+            controller: controller.usernameController,
+          ),
+          const SizedBox(height: 22),
+          _buildTextFieldSection(
+            label: '密码',
+            hintText: '请输入您的密码',
+            obscureText: true,
+            controller: controller.passwordController,
+          ),
+          const SizedBox(height: 9.5),
+          _buildRememberPasswordRow(controller),
+          const SizedBox(height: 138.5),
+          _buildLoginButton(controller),
+        ],
       ),
     );
   }