ThinkPHP5允许跨域请求 在入口文件加入这个就可以跨域请求了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");