feat(life): 更新了瀑布流的数据获取和样式

lib/layout/layout_scaffold.dart

@@ -0,0 +1,42 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class LayoutScaffold extends StatelessWidget {
+  final AppBar appBar;
+  final Widget? body;
+
+  const LayoutScaffold({
+    Key? key,
+    required this.appBar,
+    this.body,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    Text title = appBar.title as Text;
+    print(appBar.preferredSize);
+
+    return Scaffold(
+      appBar: PreferredSize(
+        child: AppBar(
+          actions: appBar.actions,
+          leading: appBar.leading,
+          title: Text(
+            title.data ?? '',
+            style: const TextStyle(
+              fontSize: 25,
+            ),
+          ),
+          centerTitle: true,
+          bottom: appBar.bottom,
+          systemOverlayStyle: const SystemUiOverlayStyle(
+            statusBarColor: Colors.transparent,  //设置为透明
+            statusBarIconBrightness: Brightness.dark,
+          ),
+        ),
+        preferredSize: const Size.fromHeight(60),
+      ),
+      body: body,
+    );
+  }
+}