创建新项目
flutter create project_name
运行
flutter run （debug）
flutter run --release（正式环境）
查看帮助
flutter --help
诊断bug
flutter doctor
查看flutter 当前版本号
flutter --version
flutter版本升级
flutter upgrade
flutter依赖 第三方库下载
flutter packages get 或者 flutter pub get
查看flutter 当前环境
flutter channel
切换flutter运行环境
flutter channel xxx
打包
flutter build apk 打包Android app
flutter build ios 打包iOS app
