48 lines
1.2 KiB
Dart
48 lines
1.2 KiB
Dart
|
import 'package:flutter/material.dart';
|
||
|
|
|
||
|
|
class MyAppbar extends StatelessWidget implements PreferredSizeWidget {
|
||
|
|
final String title;
|
||
|
|
final VoidCallback? onBackPressed;
|
||
|
|
final Color backgroundColor;
|
||
|
|
final Color textColor;
|
||
|
|
final List<Widget>? actions; // 👉 新增参数：右侧按钮
|
||
|
|
|
||
|
|
const MyAppbar({
|
||
|
|
Key? key,
|
||
|
|
required this.title,
|
||
|
|
this.onBackPressed,
|
||
|
|
this.backgroundColor = Colors.blue,
|
||
|
|
this.textColor = Colors.white,
|
||
|
|
this.actions,
|
||
|
|
}) : super(key: key);
|
||
|
|
|
||
|
|
@override
|
||
|
|
Size get preferredSize => const Size.fromHeight(kToolbarHeight);
|
||
|
|
|
||
|
|
@override
|
||
|
|
Widget build(BuildContext context) {
|
||
|
|
return AppBar(
|
||
|
|
backgroundColor: backgroundColor,
|
||
|
|
automaticallyImplyLeading: false,
|
||
|
|
centerTitle: true,
|
||
|
|
title: Text(
|
||
|
|
title,
|
||
|
|
style: TextStyle(
|
||
|
|
color: textColor,
|
||
|
|
fontSize: 18,
|
||
|
|
fontWeight: FontWeight.bold,
|
||
|
|
),
|
||
|
|
),
|
||
|
|
leading: _buildBackButton(context),
|
||
|
|
actions: actions, // 👉 设置右侧按钮
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
Widget _buildBackButton(BuildContext context) {
|
||
|
|
return IconButton(
|
||
|
|
icon: const Icon(Icons.arrow_back_ios, color: Colors.white, size: 20),
|
||
|
|
onPressed: onBackPressed ?? () => Navigator.of(context).pop(),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|