小编Mat*_*ean的帖子

我正在尝试从另一个域下载静态文件.在我的.htaccess文件中,它位于根目录中:

Header set Access-Control-Allow-Origin "*"
Header set Access-Control-Allow-Headers "Accept, If-Modified-Since, Origin"
Header set Access-Control-Allow-Methods "GET, OPTIONS"

这是请求 - 响应周期,浏览器下载资源两次:

GET /file HTTP/1.1
Host: www.example.com
Accept: application/json
Origin: http://www.mydomain.com

HTTP/1.1 200 OK
Date: Sat, 07 Sep 2013 21:01:35 GMT
Server: Apache
Last-Modified: Sat, 07 Sep 2013 20:14:45 GMT
Content-Length: 2
Access-Control-Allow-Origin: *
Access-Control-Allow-Headers: Accept, If-Modified-Since, Origin
Access-Control-Allow-Methods: GET, OPTIONS
Content-Type: application/json

[]

GET /file HTTP/1.1
Host: www.example.com
Cache-Control: max-age=0
Accept: application/json
Origin: http://www.mydomain.com
If-Modified-Since: Sat, 07 Sep 2013 20:14:45 GMT

HTTP/1.1 …