vue.js安装问题

1.安装：npm install --global vue-cli

2.创建项目：vue init webpack my-project

npm WARN deprecated browserslist@2.11.: Browserslist  could fail on reading Browserslist >3.0 config used in other tools.
npm ERR! Unexpected end of JSON input while parsing near '...":"3.9.1","gulp-babel'

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\ASUS\AppData\Roaming\npm-cache\_logs\--29T13_18_16_946Z-debug.log

3.解决办法：npm cache clean --force

4.npm install

还有一种常见的错误：报Vue不是内部命令：

解决方案：配置npm环境变量：注意只有电脑重启，才能生效