import 'package:flutter/material.dart';

class ButtonWidget extends StatelessWidget {
  const ButtonWidget({
    Key? key,
    this.text,
    this.width,
    this.height,
    this.radius,
    this.onPressed,
  }) : super(key: key);

  final String? text;
  final double? width;
  final double? height;
  final double? radius;
  final void Function()? onPressed;

  @override
  Widget build(BuildContext context) {
    //套一层Container，可以做很多事，比如设置尺寸
    return ElevatedButton(
      onPressed: onPressed,
      style: ButtonStyle(
        elevation: MaterialStateProperty.all(0),
        //设置最小值为0，是的尺寸为children尺寸
        minimumSize: MaterialStateProperty.all(Size(
          width ?? double.infinity,
          height ?? double.infinity,
        )),
        shape: MaterialStateProperty.all(
          RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(radius?? 32),
          ),
        ),
      ),
      child: Text(text ?? "",
          style: const TextStyle(
            fontSize: 16,
            color: Colors.white,
            fontWeight: FontWeight.w300,
          )),
    );
  }
}