一、在Think[php](https://www.oschina.net/p/php)5入口文件public/index.[php](https://www.oschina.net/p/php)，添加如下代码即可解决。 header("Access-Control-Allow-Origin:\*"); header("Access-Control-Allow-Methods:GET, POST, OPTIONS, DELETE"); header("Access-Control-Allow-Headers:DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type, Accept-Language, Origin, Accept-Encoding"); 二、index.[php](https://www.oschina.net/p/php)中的实际代码：