执行了一下npm install -g @angular/cli后就不对了
从github下载了新版的iot,npm install报错
现在打算整个卸掉angular cli 重装
https://stackoverflow.com/questions/43931986/how-to-upgrade-angular-cli-to-the-latest-version
从Java角度理解Angular之入门篇:npm, yarn, Angular CLI
https://blog.youkuaiyun.com/liuwenzhe2008/article/details/79125406好文,理理顺