npm配置国内淘宝镜像的两种方法：命令行与cnpm

npm config set registry https://registry.npm.taobao.org/

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

npm config get registry

npm install -g cnpm --registry=https://registry.npm.taobao.org

# 注册模块镜像
 npm set registry https://registry.npm.taobao.org  
  // node-gyp 编译依赖的 node 源码镜像  
 npm set disturl https://npm.taobao.org/dist 
 // 清空缓存  
 npm cache clean --force  
 // 安装cnpm  
 npm install -g cnpm --registry=https://registry.npm.taobao.org  

cnpm install xxx