npm ERR! code ENOLOCAL npm ERR! Could not install from “” as it does not contain a package.json file. npm ERR! A complete log of this run can be found in: npm ERR!

yarn安装

执行操作

npm i -g -yarn

报错信息

npm ERR! code ENOLOCAL
npm ERR! Could not install from "" as it does not contain a package.json file.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Administrator\AppData\Roaming\npm-cache\_logs\2021-03-09T01_57_51_835Z-debug.log

报错原因

npm i -g -yarn 下载命令有错
正确命令为 npm install -g yarn 

若还是报错，请执行

npm install -g install 
# 执行结束后，在新的cmd窗口重新输入 
npm install -g yarn 

验证安装是否成功

yarn -v

欢迎大家交流学习，任何问题都可以留言