我是下载的flutter sdk做dart环境
然后在win10环境变量里,添加PATH:
D:\development\flutter\bin\cache\dart-sdk\bin
dart --version
Dart VM version: 2.7.0 (Fri Dec 6 16:26:51 2019 +0100) on “windows_x64”
表示安装成功
pub global activate stagehand
pub global run stagehand server-shelf
然后试一下helloworld