PS H:\Vue代碼\day6\02.webpack-vue1> npm run dev
> [email protected] dev H:\Vue代碼\day6\02.webpack-vue1
> webpack-dev-server --open --port 3000 --contentBase src --hot
internal/modules/cjs/loader.js:584
throw err;
^
Error: Cannot find module 'unpipe'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15)
at Function.Module._load (internal/modules/cjs/loader.js:508:25)
at Module.require (internal/modules/cjs/loader.js:637:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object.<anonymous> (H:\Vue代碼\day6\02.webpack-vue1\node_modules\[email protected]@finalhandler\index.js:20:14)
at Module._compile (internal/modules/cjs/loader.js:701:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10)
at Module.load (internal/modules/cjs/loader.js:600:32)
at tryModuleLoad (internal/modules/cjs/loader.js:539:12)
at Function.Module._load (internal/modules/cjs/loader.js:531:3)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] dev: `webpack-dev-server --open --port 3000 --contentBase src --hot`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! D:\可視化內容軟件\nodejs\node_cache\_logs\2019-11-30T12_09_26_238Z-debug.log
錯誤信息如上，一開始報的錯誤是
'webpack-dev-server' is not recognized as an internal or external command,
我還納悶，不是安裝過webpack-dev-server麼，爲何不識別，然後我又安裝一遍發現報的就是上面這個584錯誤，解決方法如下：
1、強制永久刪除node_modules文件夾，只是點刪除就說需要管理員權限
2、輸入命令 npm install即可