liangchengyou / wow_english

const String _assetImagePrefix = "assets/images/";

/// 资源类扩展方法
extension AssetExtension on String {
  /// 图片url
  String get assetImg => _assetImagePrefix + this;
  String get assetPng => 'assets/images/$this.png';
  String get assetGif => 'assets/images/$this.gif';
}