qhd-prevention-flutter/lib/customWidget/custom_button.dart

import 'package:flutter/material.dart';

/// 自定义默认按钮
class CustomButton extends StatelessWidget {
  final String text; // 按钮文字
  final Color backgroundColor; // 按钮背景色
  final double borderRadius; // 圆角半径（默认5）
  final VoidCallback? onPressed; // 点击事件回调
  final EdgeInsetsGeometry? padding; // 内边距
  final EdgeInsetsGeometry? margin; // 外边距
  final double? height; // 按钮高度
  final TextStyle? textStyle; // 文字样式

  const CustomButton({
    super.key,
    required this.text,
    required this.backgroundColor,
    this.borderRadius = 5.0,
    this.onPressed,
    this.padding,
    this.margin,
    this.height,
    this.textStyle,
  });

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: onPressed,
      child: Container(
        height: height ?? 45, // 默认高度45
        padding: padding ?? const EdgeInsets.all(8), // 默认内边距
        margin: margin ?? const EdgeInsets.symmetric(horizontal: 5), // 默认外边距
        decoration: BoxDecoration(
          borderRadius: BorderRadius.circular(borderRadius),
          color: backgroundColor,
        ),
        child: Center(
          child: Text(
            text,
            style: textStyle ?? const TextStyle(
              color: Colors.white,
              fontSize: 15,
              fontWeight: FontWeight.bold,
            ),
          ),
        ),
      ),
    );
  }
}