跨域问题('Access-Control-Allow-Origin)如何解决？

No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:0000' is therefore not allowed access.前端 缘由：浏览器的同源策略不容许跨域访问，所谓同源策略指协议、域名、端口号相同。vue 解决方式：局部配置、全局配置

>>阅读原文<<