有关npm安装错误的问题

今天学习一个项目需要用npm安装一些模块,然后都发现安装错误

提示

npm ERR! Darwin 14.5.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "-g" "n"
npm ERR! node v6.9.5
npm ERR! npm  v3.10.10
npm ERR! path /usr/local/lib/node_modules
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access

npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules'
npm ERR!     at Error (native)
npm ERR!  { Error: EACCES: permission denied, access '/usr/local/lib/node_modules'
npm ERR!     at Error (native)
npm ERR!   errno: -13,
npm ERR!   code: 'EACCES',
npm ERR!   syscall: 'access',
npm ERR!   path: '/usr/local/lib/node_modules' }
npm ERR! 
npm ERR! Please try running this command again as root/Administrator.

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/liyiting/IdeaProjects/webAppReader/npm-debug.log


经过参考各位大神的文章有以下几种解决方式:

1.重新安装更新版的nodeJS(浏览官网发现已经安装最新版本)

2.在指令前加sudo (sudo npm install 报错)

3.有可能是因为资源被墙了,所以先安装nrm模块来切换npm源(报错)

4.先安装管理nodejs版本的模块 n,再检查是否有更新的稳定版(最后用的这种)


顺利安装上了n模块

 npm install -g n
npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules
/usr/local/lib
└── [email protected] 


然后升级到最新稳定版

n stable

     install : node-v7.4.0
       mkdir : /usr/local/n/versions/node/7.4.0
       fetch : https://nodejs.org/dist/v7.4.0/node-v7.4.0-darwin-x64.tar.gz
############################                                              38.9%


安装到一半进度条不动了,查到一篇文章惊恐地关闭了安装窗口[文章5]



To be continue..

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