Node环境与NPM安装配置

NODEjs Download

1 step

Click here 下载 | Node.js (nodejs.org) to download a .msi flie for next step.

Please select the correct version according to your operating system. For example, if you are using a 64-bit operating system, please download the 64-bit version, if you are using a 32-bit version, please download the 32-bit version

Node.js默认安装目录为 “C:\Program Files\nodejs" , 个人建议修改为其他磁盘避免C盘文件过多。

2 step

check the PATH by click run–>cmd–>type ‘path’ ,then,

PATH=C:\oraclexe\app\oracle\product\10.2.0\server\bin;C:\Windows\system32;
C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;
c:\python32\python;C:\MinGW\bin;C:\Program Files\GTK2-Runtime\lib;
C:\Program Files\MySQL\MySQL Server 5.5\bin;C:\Program Files\nodejs\;
C:\Users\rg\AppData\Roaming\npm

If this show on your computer screen,congratulations!

3 step

check the version of node.js: use win+r to open cmd ,and type node --version （Npm --version） ,then enter ,show like v0.11.11 .

Npm

When you install the nodejs,the npm was install too.

1 step

To ensure normal access in China, we need to configure the mirror source.

临时使用

1	npm --registry https://registry.npm.taobao.org install express

永久使用

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

恢复使用

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

you can look your setting

1	npm config ls

2 step

NPM更新

1	npm install -g npm

NVM

Different applications require different versions of Node.js, switching and installing a new version of Node.js is annoying, and there will be inexplicable problems. nvm is to solve the problems of Node.js installation and version switching.