vue建立项目时执行npm install出错，Cannot find module

Question

module.js:491throw err;^Error: Cannot find module 'semver'at Function.Module._resolveFilename (module.js:489:15)at Function.Module._load (module.js:439:25)at Module.require (module.js:517:17)at require (internal/module.js:11:18)at Object.<anonymous> (C:\Program Files\nodejs\node_modules\npm\lib\utils\unsupported.js:2:14)at Module._compile (module.js:573:30)at Object.Module._extensions..js (module.js:584:10)at Module.load (module.js:507:32)at tryModuleLoad (module.js:470:12)at Function.Module._load (module.js:462:3)

Answer 1

报错中已经告诉你了，是因为没有 ‘semver’ 模块
解决办法，在cmd命令中写：
npm install semver --save-dev