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前端跨域问题解决方案(基于node与nginx)
source link: https://juejin.im/post/5c35f6286fb9a049be5dad82
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1.跨域是什么 跨域是指去向一个为非本origin(协议、域名、端口任意一个不同)的目标地址发送请求的过程，这样之所以会产生问题是因为浏览器的同源策略限制。看起来同源策略影响了我们开发的顺畅性.实则不然,同源策略存在的必要性之一是为了隔离攻击。 同源策略
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