1、Flutter channels
查看flutter分支(带星* 表示当前的分支)
2、flutter doctor
查看flutter环境配置完成情况
3、flutter devices
执行时需要的设备
4、flutter upgrade
更新flutter
5、flutter packages get
获取项目所有的依赖包
flutter packages upgrade
获取项目所有依赖包的最新版本
推荐个好东西,flutter学习资源https://book.flutterchina.club/chapter1/install_flutter.html