基本完成

2025-08-28 16:27:56 +08:00
commit 5d7d233d2e
132 changed files with 6390 additions and 0 deletions
--- a/lib/widgets/common/async_image.dart
+++ b/lib/widgets/common/async_image.dart
@@ -0,0 +1,45 @@
+import 'package:flutter/material.dart';
+
+class AsyncImage extends StatelessWidget {
+  final String url;
+  final double? width;
+
+  const AsyncImage({
+    super.key,
+    required this.url,
+    this.width,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      width: width,
+      child: Image.network(
+        url,
+        fit: BoxFit.cover,
+        // 加载中的样式
+        loadingBuilder: (context, child, loadingProgress) {
+          if (loadingProgress == null) {
+            return child; // 加载完成，直接返回图片
+          }
+          return Container(
+            color: Colors.grey[200],
+            alignment: Alignment.center,
+            child: CircularProgressIndicator(strokeWidth: 2),
+          );
+        },
+        // 加载失败的样式
+        errorBuilder: (context, error, stackTrace) {
+          return Container(
+            color: Colors.grey[200],
+            child: const Icon(
+              Icons.broken_image,
+              size: 30,
+              color: Colors.grey,
+            ),
+          );
+        },
+      ),
+    );
+  }
+}