执行 npm install -g @vue/cli 报错

目录

一、问题描述 

二、解决方案

1、升级npm

2、清理缓存 

3、再次安装

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一、问题描述 

准备使用vue3.0初始化一个项目，在使用 npm install -g @vue/cli 安装过程出现了异常信息：

npm WARN deprecated @hapi/joi@15.1.1: Switch to 'npm install joi'
npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated @hapi/address@2.1.4: This version has been deprecated and is no longer supported or maintained
npm WARN deprecated @hapi/hoek@8.5.1: This version has been deprecated and is no longer supported or maintained
npm WARN deprecated har-validator@5.1.5: this
npm WARN deprecated urix@0.1.0: Please see https://github.com/lydell/urix#deprecated

二、解决方案

1、升级npm

npm i -g npm

2、清理缓存 

npm cache clean --force

3、再次安装

 npm install -g @vue/cli