验证当前NPM源地址

npm config get registry

国内镜像

腾讯云

npm config set registry http://mirrors.cloud.tencent.com/npm/

淘宝

npm config set registry https://registry.npmmirror.com

华为云

npm config set registry https://mirrors.huaweicloud.com/repository/npm/

恢复默认源

npm config set registry=https://registry.npmjs.org

通过使用淘宝定制的cnpm安装

npm install -g cnpm --registry=https://registry.npmmirror.com   # 安装cnpm
cnpm install xxx    # 使用cnpm