把项目移至 Flutter 目录下

summer-ospp/2024/Flutter/maxkey_flutter/lib/utils.dart

@@ -0,0 +1,34 @@
+// ignore_for_file: constant_identifier_names, non_constant_identifier_names
+
+import 'dart:convert';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:logger/logger.dart';
+
+final LOGGER_MEMORY = MemoryOutput();
+final LOGGER = Logger(
+  filter: ProductionFilter(),
+  printer: SimplePrinter(),
+  output: kDebugMode
+      ? MultiOutput([LOGGER_MEMORY, ConsoleOutput()])
+      : LOGGER_MEMORY,
+  level: Level.all,
+);
+
+final SCAFFOLD_MESSENGER_KEY = GlobalKey<ScaffoldMessengerState>();
+final NAVIGATOR_KEY = GlobalKey<NavigatorState>();
+
+class RoutePath {
+  static const loginPage = "/login";
+  static const homePage = "/home";
+  static const scanPage = "/scan";
+  static const userPage = "/user";
+  static const settingsPage = "/settings";
+}
+
+extension Base64 on String {
+  Uint8List base64ToBuf() {
+    return base64.decode(this);
+  }
+}