feat: 重构认证页面使用 AuthPageScaffold 组件

2026-03-10 17:42:57 +08:00
parent c9a2c75c35
commit 8dd48ec15b
5 changed files with 120 additions and 112 deletions
@@ -0,0 +1,66 @@
+import 'dart:math' as math;
+
+import 'package:flutter/material.dart';
+
+import '../../../../core/theme/design_tokens.dart';
+
+class AuthPageScaffold extends StatelessWidget {
+  const AuthPageScaffold({
+    super.key,
+    required this.mainContent,
+    this.footer,
+    this.mainContentKey,
+    this.footerKey,
+  });
+
+  final Widget mainContent;
+  final Widget? footer;
+  final Key? mainContentKey;
+  final Key? footerKey;
+
+  @override
+  Widget build(BuildContext context) {
+    final keyboardInset = MediaQuery.viewInsetsOf(context).bottom;
+
+    return Scaffold(
+      backgroundColor: AppColors.background,
+      body: SafeArea(
+        child: LayoutBuilder(
+          builder: (context, constraints) {
+            final viewportHeight = math.max(
+              constraints.maxHeight - keyboardInset,
+              AppSpacing.none,
+            );
+
+            return SingleChildScrollView(
+              keyboardDismissBehavior: ScrollViewKeyboardDismissBehavior.onDrag,
+              padding: EdgeInsets.fromLTRB(
+                AppSpacing.xxl,
+                AppSpacing.none,
+                AppSpacing.xxl,
+                keyboardInset + AppSpacing.xxl,
+              ),
+              child: ConstrainedBox(
+                constraints: BoxConstraints(minHeight: viewportHeight),
+                child: IntrinsicHeight(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.center,
+                    children: [
+                      Expanded(
+                        key: mainContentKey,
+                        child: Center(child: mainContent),
+                      ),
+                      if (footer != null)
+                        Container(key: footerKey, child: footer),
+                      SizedBox(height: AppSpacing.xxl),
+                    ],
+                  ),
+                ),
+              ),
+            );
+          },
+        ),
+      ),
+    );
+  }
+}