flutter doctor //检测flutter运行环境
flutter run //运行
flutter build ios --release //iOS打包 -lstdc++
flutter build apk //安卓打包
flutter clean //清理工程
flutter pub get //更新应用的库
//打包
flutter build apk
//打google play上架的aab包
flutter build appbundle
//打制定 arm arm64的包
flutter build apk --target-platform android-arm,android-arm64
