Javascript 如何在 XMLHttpRequest 中获取响应 url?
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How to get response url in XMLHttpRequest?
提问by Okan Kocyigit
There is a page (url), I request it by XMLHttpRequest, but I'm not getting response from requested url, It's directing request to another page,
有一个页面(url),我通过 XMLHttpRequest 请求它,但是我没有从请求的 url 得到响应,它正在将请求定向到另一个页面,
requesting --- > page.php
getting reponse from > directedpage.php
请求 --- > page.php
从 > directedpage.php得到响应
and the question is how can I get response url? (directedpage.php in example)
问题是如何获得响应网址?(示例中的directedpage.php)
回答by Rob W
The final URL (after following all redirects) is available in the responseURL
attributeof a XMLHttpRequest
instance.
This feature is new and only supported in Firefox 32 stable in September 2014 [ref]and Chrome 37.0.2031.0 stable in August 2014 [ref](and probably also Opera 24). responseURL
is not (yet) supported in IE 11 or Safari 7 and older browsers. For these browsers, the previous answer is still true:
最终 URL(遵循所有重定向之后)在实例的responseURL
属性中可用XMLHttpRequest
。此功能是新功能,仅在2014 年 9 月的Firefox 32稳定版[ref]和2014 年 8 月的Chrome 37.0.2031.0稳定版[ref](可能还有 Opera 24)中受支持。responseURL
IE 11 或 Safari 7 及更旧的浏览器(尚)不支持。对于这些浏览器,之前的答案仍然成立:
XMLHttpRequest
automatically follows redirects, without saving the served URLs in a property. TheLocation
header can neither be retrieved through the.getResponseHeader()
.
XMLHttpRequest
自动跟随重定向,而不将提供的 URL 保存在属性中。的Location
报头可以既不通过检索.getResponseHeader()
。
References:
参考: