设置npm源的几种方式

# the original source
https://registry.npmjs.org/

npm install -g nrm

nrm ls

* npm -------- https://registry.npmjs.org/
  yarn ------- https://registry.yarnpkg.com/
  cnpm ------- http://r.cnpmjs.org/
  taobao ----- https://registry.npm.taobao.org/
  nj --------- https://registry.nodejitsu.com/
  npmMirror -- https://skimdb.npmjs.com/registry/
  edunpm ----- http://registry.enpmjs.org/

nrm use taobao

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

npm config get registry

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

npm info underscore

npm --registry https://registry.npm.taobao.org install [name]

registry = https://registry.npm.taobao.org

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