Flutter装饰容器插件flutter_decorated_container的使用

flutter_decorated_container 是一个用于创建带有虚线或点状边框的自定义容器的小部件。该插件提供了多种配置选项，使您可以轻松地为任何小部件添加装饰性边框。

特性

• 支持虚线边框和圆角半径
• 可自定义虚线颜色
• 虚线宽度和间距可调
• 支持设置背景颜色

使用方法

默认值示例

DecoratedContainer(
  cornerRadius: 16,
  fillColor: Colors.white,
  strokeColor: Colors.red,
  child: Center(child: Text("sample child widget")),
)

自定义值示例

DecoratedContainer(
  strokeWidth: 3,
  dashSpace: 4,
  dashWidth: 6,
  fillColor: Colors.white,
  cornerRadius: 16,
  strokeColor: Colors.red,
  child: Center(child: Text("sample child widget")),
)

示例UI截图

配置参数

完整示例代码

以下是一个完整的示例，展示了如何在应用中使用 flutter_decorated_container 插件：

import 'package:flutter/material.dart';
import 'package:flutter_decorated_container/flutter_decorated_container.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  [@override](/user/override)
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            DecoratedContainer(
              backgroundColor: Colors.white,
              strokeColor: Colors.red,
              padding: const EdgeInsets.all(16),
              child: Column(
                mainAxisSize: MainAxisSize.min,
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  const Text(
                    'You have pushed the button this many times:',
                  ),
                  Text(
                    '$_counter',
                    style: Theme.of(context).textTheme.headlineMedium,
                  ),
                ],
              ),
            ),
            const SizedBox(
              height: 16,
            ),
            DecoratedContainer(
              decoration: BoxDecoration(
                color: Colors.yellow.withOpacity(0.5),
                borderRadius: BorderRadius.circular(12),
                border: Border.all(color: Colors.orange, width: 3),
              ),
              backgroundColor: Colors.white,
              strokeColor: Colors.red,
              padding: const EdgeInsets.all(16),
              child: Column(
                mainAxisSize: MainAxisSize.min,
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  const Text(
                    'You have pushed the button this many times:',
                  ),
                  Text(
                    '$_counter',
                    style: Theme.of(context).textTheme.headlineMedium,
                  ),
                ],
              ),
            )
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ),
    );
  }
}