解决npm WARN Local package.json exists, but node_modules missing, did you mean to install?问题

问题：

npm WARN Local package.json exists, but node_modules missing, did you mean to install?

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! vuedatabase@1.0.0 dev: `webpack-dev-server --inline --progress --config build/
onf.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the vuedatabase@1.0.0 dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging ou
npm WARN Local package.json exists, but node_modules missing, did you mean to install?

解决方案：

指定到当前目录，安装依赖
npm install