npm 设置镜像 ：npm config set registry https://registry.npmmirror.com
查看是否安装成功：npm config get registry
yarn 类似
npm 安装：npm install
npm 清除缓存 npm cache clean --force
npm 查看当前设置 npm config list
npm 设置代理：
npm config set proxy 127.0.0.1:7890
npm config set https-proxy 127.0.0.1:7890
npm 取消代理
npm config delete proxy
npm config delete https-proxy
npm 代理信息：
npm config set proxy http://127.0.0.1:7890
npm config set https-proxy http://127.0.0.1:7890
错误处理：
1. While resolving: ruoyi@3.8.7 npm ERR! Found: html-webpack-plugin@5.6.0 npm ERR! node_modules/html-webpack-plugin npm ERR! dev html-webpack-plugin@"^5.6.0" from the root project：
解决： npm install --legacy-peer-deps
参考： https://blog.csdn.net/qq_42913476/article/details/127984854
