JJ-X的博客

上网查了资料，通过下面链接解决了问题：https://www.cnblogs.com/jpfss/p/9042249.html 感谢感谢！！！希望也能帮助到大家。

这是报错信息： Failed to load http://127.0.0.1:8080/music/upload: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8848' is therefore not allowed access...