基本完成除了详情

lib/config/app_context.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+
+class AppContext {
+  static late BuildContext _context;
+
+  AppContext._();
+
+  ///私有构造函数，防止外部实例化
+  static void setContent(BuildContext context) {
+    _context = context;
+  }
+
+  ///获取全局上下文
+  static BuildContext get context => _context;
+
+  ///获取主题
+  static TextTheme get textTheme => Theme.of(_context).textTheme;
+
+  static ColorScheme get colorScheme => Theme.of(_context).colorScheme;
+
+  ///页面内间距
+  static double get pagePadding => 15;
+}