1. 工具类

Quiver

Quiver是一组针对Dart的实用程序库，它使使用许多Dart库变得更容易、更方便，或者增加了额外的功能。
github地址 https://github.com/google/quiver-dart

更多参考

• https://github.com/Solido/awesome-flutter
• https://github.com/AweiLoveAndroid/Flutter-learning/blob/master/readme/Flutter%E7%9A%84%E9%9C%80%E8%A6%81%E4%B8%8E%E5%8E%9F%E7%94%9F%E4%BA%A4%E4%BA%92%E7%9A%84%E4%B8%80%E4%BA%9B%E5%B8%B8%E7%94%A8%E5%BA%93/Flutter%E7%9A%84%E9%9C%80%E8%A6%81%E4%B8%8E%E5%8E%9F%E7%94%9F%E4%BA%A4%E4%BA%92%E7%9A%84%E4%B8%80%E4%BA%9B%E5%B8%B8%E7%94%A8%E5%BA%93.md