Jammmの日常-JamPang
Jammm的日常,Jampang的日常,Jampang,Jam日志,Share daily life and what I learnt,日常,代码,笔记本电脑推荐,台式机配置单
🔖Ajax
Jammm
5年前
首先我们先来看下代码：Access to XMLHttpRequest at 'XXXXXX' from origin 'XXXXXXXXXXX' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present错误原因：本地路径和目标路径不是同一个域名下引起的跨域问题，并且，就算两个域名是同一个一级域名不同二级域名的时候，例如a.baidu.com和b.baidu