Windows搭建Nodejs【全网最详细】

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1.下载镜像【WIN7用户看这里】

2.默认安装完毕后，创建node_global&node_cache文件夹

补充：它默认是存储在C:\Users\ROOT\AppData\Roaming的

3.修改默认环境

npm config set prefix "C:\Program Files\nodejs\node_global"

npm config set cache "C:\Program Files\nodejs\node_cache"

4.环境变量（NODE_PATH）

修改用户变量的npm路径C:\Program Files\nodejs\node_global

5.安装全局文件

 npm install webpack -g 

补充：有的同学可能会报错哈

npm ERR! code EPERM
npm ERR! syscall mkdir
npm ERR! path C:\Program Files\nodejs\node_cache\_cacache
npm ERR! errno EPERM
npm ERR! FetchError: Invalid response body while trying to fetch https://registry.npmjs.org/webpack: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\node_cache\_cacache'
npm ERR!     at C:\Program Files\nodejs\node_modules\npm\node_modules\minipass-fetch\lib\body.js:162:15
npm ERR!     at async Arborist.[nodeFromEdge] (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:1082:19)
npm ERR!     at async Arborist.[buildDepStep] (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:951:11)
npm ERR!     at async Arborist.buildIdealTree (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:215:7)
npm ERR!     at async Arborist.reify (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\reify.js:152:5)
npm ERR!     at async Install.exec (C:\Program Files\nodejs\node_modules\npm\lib\commands\install.js:157:5)
npm ERR!     at async module.exports (C:\Program Files\nodejs\node_modules\npm\lib\cli.js:66:5)
npm ERR!  FetchError: Invalid response body while trying to fetch https://registry.npmjs.org/webpack: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\node_cache\_cacache'
npm ERR!     at C:\Program Files\nodejs\node_modules\npm\node_modules\minipass-fetch\lib\body.js:162:15
npm ERR!     at async Arborist.[nodeFromEdge] (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:1082:19)
npm ERR!     at async Arborist.[buildDepStep] (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:951:11)
npm ERR!     at async Arborist.buildIdealTree (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:215:7)
npm ERR!     at async Arborist.reify (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\reify.js:152:5)
npm ERR!     at async Install.exec (C:\Program Files\nodejs\node_modules\npm\lib\commands\install.js:157:5)
npm ERR!     at async module.exports (C:\Program Files\nodejs\node_modules\npm\lib\cli.js:66:5) {
npm ERR!   code: 'EPERM',
npm ERR!   errno: 'EPERM',
npm ERR!   syscall: 'mkdir',
npm ERR!   path: 'C:\\Program Files\\nodejs\\node_cache\\_cacache',
npm ERR!   type: 'system',
npm ERR!   requiredBy: '.'
npm ERR! }
npm ERR!
npm ERR! The operation was rejected by your operating system.
npm ERR! It's possible that the file was already in use (by a text editor or antivirus),
npm ERR! or that you lack permissions to access it.
npm ERR!
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator.

npm ERR! A complete log of this run can be found in:

是因为当前用户没权限写入文件夹

• 解决方案一：

给一下权限就OK了

• 解决方案二：

写入完成

查看webpack版本

6.设置镜像

npm config get registry # 查看当前镜像库

npm config set registry https://registry.npmmirror.com --global # 设置全局淘宝镜像

npm config set registry https://registry.npmmirror.com # 切换回默认地址

npx nrm use taobao  # 切换到淘宝源

npx nrm use npm # 切换到官方

• 安装cnpm

npm install -g cnpm --registry=https://registry.npmmirror.com

cnpm -v # 查看版本

npm list -g # 查看全局安装的模块

npm list vue # 查看某个模块的版本号

npm install sass-node@x.x.x # 安装提定版本包

npm update sass-node # 更新到最新版的包

npm uninstall jquery # 卸载包

7.执行报错

Error while executing: npm ERR! D:\Program Files\Git\cmd\git.EXE ls-remote -h -t git://github.com/ad

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

# 使用淘宝镜像安装即可
npm install --registry=https://registry.npm.taobao.org

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