在终端通过命令行安装node详细步骤

下方截图是mac电脑，从左到右第十个图标是终端图标，第一步：点击终端，打开

第二步：输入

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.30.2/install.sh | bash

会加载下方代码，不报错：

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  7750  100  7750    0     0  11660      0 --:--:-- --:--:-- --:--:-- 11671
=> Downloading nvm from git to '/Users/zzk/.nvm'
=> Cloning into '/Users/zzk/.nvm'...
remote: Counting objects: 7039, done.
remote: Total 7039 (delta 0), reused 0 (delta 0), pack-reused 7039
Receiving objects: 100% (7039/7039), 2.14 MiB | 398.00 KiB/s, done.
Resolving deltas: 100% (4415/4415), done.
* (HEAD detached at v0.30.2)
  master

=> Appending source string to /Users/zzk/.bashrc
=> Close and reopen your terminal to start using nvm

第三步：输入

cat ~/.bashrc

会加载下方代码，不报错：

PS1="\[\e[37;40m\][\[\e[32;40m\]\u\[\e[37;40m\]@\h\[\e[35;40m\]\W\[\e[0m\]]\\$ "

alias ll='ls -l'

export NVM_DIR="/Users/zzk/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"  # This loads nvm
[zzk@zzkdeMacBook-Proreact学习项目练习]$ echo 'export NVM_DIR="$HOME/.nvm"
> [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh" # This loads nvm' >> ~/.bashrc

第四步：输入

source ~/.bashrc

第五步：跟着第四部输入

nvm is

会加载下方代码，不报错：

Node Version Manager

Note:  refers to any version-like string nvm understands. This includes:
  - full or partial version numbers, starting with an optional "v" (0.10, v0.1.2,v1)
  - default (built-in) aliases: node, stable, unstable, iojs, system
  - custom aliases you define with `nvm alias foo`

Usage:
  nvm help                                  Show this message
  nvm --version                             Print out the latest released versionof nvm
  nvm install [-s]                 Download and install a , [-s] from source. Uses .nvmrc if available
    --reinstall-packages-from=     When installing, reinstall packages installed in 
  nvm uninstall                    Uninstall a version
  nvm use [--silent]               Modify PATH to use . Uses .nvmrc if available
  nvm exec [--silent]  [] Run  on . Uses .nvmrc if available
  nvm run [--silent]  []     Run `node` on  with  as arguments. Uses .nvmrc if available
  nvm current                               Display currently activated version
  nvm ls                                    List installed versions
  nvm ls                           List versions matching a given description
  nvm ls-remote                             List remote versions available for install
  nvm version                      Resolve the given description to a single local version
  nvm version-remote               Resolve the given description to a single remote version
  nvm deactivate                            Undo effects of `nvm` on current shell
  nvm alias []                     Show all aliases beginning with 
  nvm alias                  Set an alias named  pointing to
  nvm unalias                         Deletes the alias named 
  nvm reinstall-packages           Reinstall global `npm` packages contained in  to current version
  nvm unload                                Unload `nvm` from shell
  nvm which []                     Display path to installed node version. Uses .nvmrc if available

Example:
  nvm install v0.10.32                  Install a specific version number
  nvm use 0.10                          Use the latest available 0.10.x release
  nvm run 0.10.32 app.js                Run app.js using node v0.10.32
  nvm exec 0.10.32 node app.js          Run `node app.js` with the PATH pointing to node v0.10.32
  nvm alias default 0.10.32             Set default node version on a shell

Note:
  to remove, delete, or uninstall nvm - just remove the `$NVM_DIR` folder (usually `~/.nvm`)

第六步：输入

nvm install stable

会加载下方代码，不报错：

Downloading https://nodejs.org/dist/v10.1.0/node-v10.1.0-darwin-x64.tar.xz...
##                                                                         3.2%^C
Binary download failed, trying source.
####                                                                       5.8%^C
Binary download failed, trying source.
Detected that you have 4 CPU thread(s)
Set the number of jobs to 4 - 1 = 3 jobs to speed up the build
Installing node v1.0 and greater from source is not currently supported

第七步：输入

nvm install v8.9.4

会加载下方代码，不报错：

Downloading https://nodejs.org/dist/v8.9.4/node-v8.9.4-darwin-x64.tar.xz...
######################################################################## 100.0%
WARNING: checksums are currently disabled for node.js v4.0 and later
Now using node v8.9.4 (npm v5.6.0)

第八步：输入

node -v

就会出现版本号了！！！安装成功

v8.9.4