下面小编就为大家分享一篇关于Webpack dev server热加载失败的解决方法，具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧

利用Webpack dev server作为热加载服务器时，出现以下错误： XMLHttpRequest cannot load http://localhost:8080/dist/06854fc8988da94501a9.hot-update.json. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost' is therefore no