Flutter 初识

开发环境的搭建：

添加环境变量：
PUB_HOSTED_URL: https://pub.flutter-io.cn
FLUTTER_STORAGE_BASE_URL: https://storage.flutter-io.cn

获取SDK：
https://blog.csdn.net/xudailong_blog/article/details/92219946?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task