npm install socket.io 安裝不了
$?npm?install?socket.ionpm?WARN?saveError?ENOENT:? no?such?file?or?directory,?open?'D:\Documents\HBuilderProject\websocket\demo5\package.json' npm?notice?created?a?lockfile?as?package-lock.json.?You?should?commit?this?file. npm?WARN?enoent?ENOENT:?no?such?file?or?directory,?open?'D:\Documents\HBuilderProject\websocket\demo5\package.json' npm?WARN?demo5?No?description npm?WARN?demo5?No?repository?field. npm?WARN?demo5?No?README?data npm?WARN?demo5?No?license?field. +?socket.io@2.2.0added?45?packages?from?33?contributors?and?audited?77?packages?in?3.61s found?0?vulnerabilities ? |
2019-08-07
如果是windows系統(tǒng)，直接在demo5的cmd下，運行npm init生成package.json，然后在運行那個socket.io語句
然后就可以了，只不過現(xiàn)在socket.io已經(jīng)更新到了2.0.1官網(wǎng)的demo也不一樣了。
2019-01-23
錯誤原因：項目沒有package.json文件導致
解決方案：
使用?
npm init -y??生成默認的package.json文件