颤动子容器最大宽度

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Max Width Example'),
        ),
        body: Center(
          child: Container(
            maxWidth: 300, // 设置最大宽度
            padding: EdgeInsets.all(16),
            decoration: BoxDecoration(
              border: Border.all(color: Colors.blue),
            ),
            child: Text(
              'This is a text inside a container with a maximum width.',
              style: TextStyle(fontSize: 18),
            ),
          ),
        ),
      ),
    );
  }
}