npm设置镜像和代理

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.youkuaiyun.com/qq_42913476/article/details/127984854