npm specified

  1. To the global computer system installation environment, the computer can be used in any position

    • npm i 包名 -g   安装
      npm uninstall 包名 -g  卸载
      
  2. Environment can only be used to install the project in the current directory

    • npm init   初始化npm管理文件 pacgage.json
      
    • Project relies only be used in the current project, on the line need to rely on this

    • npm i 包名 --save
      npm install 包名 -S
      npm install 包名@x.x.x -S
      
      卸载
      npm uninstall 包名 --save
      npm uninstall 包名 -S
      
    • Development relies only be used in the current project, on the line, do not need to rely on the

    • npm install 包名 --save-dev
      npm install 包名 -D
      
  3. View package

    • npm list 列出所有已有包
      npm outdated  版本对比
      npm info  查看当前包概要信息
      npm view 包名 versions 查看包历史版本列表
      
  4. And install any dependencies

    • npm install
      安装package.json里面指定的所有包
      
  5. Select source

    • npm install nrm -g   安装选择源的工具包
      nrm ls  查看所有源
      nrm test 测试所有源
      nrm use 切换源名
      
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Origin blog.csdn.net/weixin_46389498/article/details/104781618
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