下载Flutter

• Google下载地址：

https://storage.googleapis.com/dart-archive/channels/stable/release/2.3.0/sdk/dartsdk-windows-x64-release.ziphttps://storage.googleapis.com/flutter_infra/releases/stable/windows/flutter_windows_v1.5.4-hotfix.2-stable.zip

• 国内镜像：

https://storage.flutter-io.cn/dart-archive/channels/stable/release/2.3.0/sdk/dartsdk-windows-x64-release.ziphttps://storage.flutter-io.cn/flutter_infra/releases/stable/windows/flutter_windows_v1.5.4-hotfix.2-stable.zip

提示：

• 将storage.googleapis.com替换成 storage.flutter-io.cn
• 如果只开发移动app，只需要flutter即可，不需要dart