在Webpackdevserver中出现热加载失败的问题

下面我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。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 not allowed access.或者出现以下...