的Xmlhtt prequest prevent重定向 [英] Prevent redirection of Xmlhttprequest

问题描述

是否有可能prevent从以下的重定向发送时XMLHtt prequest-S（即获得重定向状态code背部和处理它自己）？

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解决方案

不按照<一个href="http://dvcs.w3.org/hg/xhr/raw-file/tip/Overview.html#infrastructure-for-the-send%28%29-method">the为XMLHtt prequest对象 W3C标准（强调）：

  

如果响应是一个HTTP重定向：

     

    

如果通过Location头所传达的URL的起源是相同的起源     与XMLHtt prequest起源和     重定向不违反无限     环precautions，透明     按照重定向，同时观察     同源请求事件的规则。

  

他们考虑它在将来的版本：

  

该规范不包括   下列功能这是被   考虑未来版本   这说明：

     

  
• 属性禁用以下的重定向;
  

但最新规范不再提到了这一点。

Is it possible to prevent the browser from following redirects when sending XMLHttpRequest-s (i.e. to get the redirect status code back and handle it myself)?

解决方案

Not according to the W3C standard for the XMLHttpRequest object (emphasis added):

If the response is an HTTP redirect:

If the origin of the URL conveyed by the Location header is same origin with the XMLHttpRequest origin and the redirect does not violate infinite loop precautions, transparently follow the redirect while observing the same-origin request event rules.

They were considering it for a future release:

This specification does not include the following features which are being considered for a future version of this specification:

• Property to disable following redirects;

but the latest specification no longer mentions this.

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