新建个文件夹存放flutter
mkdir flutter_src
git clone https://gitee.com/mirrors/Flutter.git
flutter and dart 环境变量配置
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
export FLUTTER_HOME=~/gitee/Flutter
export DART_HOME=$FLUTTER_HOME/cache/bin/cache/dart-sdk
export PATH=$FLUTTER_HOME/bin:$DART_HOME/bin:$PATH
查看 dart & flutter 版本
dart --version
flutter --version
检查 flutter
flutter doctor
flutter 升级
flutter upgrade