JavaScript的 - 要访问与阿贾克斯另一个域的内容是什么？ [英] javascript - Want to access the contents of another domain with ajax?

问题描述

我想写一个JavaScript应用程序，从OpenStreetMap的API加载数据（ HTTP：/ /wiki.openstreetmap.org/wiki/OSM_Protocol_Version_0.6 ），这基本上是一个宁静的XML API。我试图使用jQuery来访问XML。但是我得到的安全错误。这是一个跨站点脚本拦截。

I'm trying to write a javascript application that loads data from the openstreetmap API (http://wiki.openstreetmap.org/wiki/OSM_Protocol_Version_0.6), which is basically just a restful xml api. I'm trying to use jquery to access the XMl. however I get security errors. This is a cross site scripting blocking.

我如何访问XML？ AFAIK OSM不提供JSONP，这样是行不通的。有没有呢？>

How can I access that XML? AFAIK OSM don't offer jsonp, so that doesn't work. Is there anyway?>

推荐答案

本博客文章由丹联展示了如何解决这个问题，但这里的背景：

The blog post linked by Dan shows you how to solve this problem, but here's the background:

您可以从网页中的跨域JavaScript调用的唯一方法是通过JSONP。如果你不提供JSONP，那么你将不得不求助于使用代理脚本，因为浏览器有目的地$作出这样的调用p $ pvent站点脚本。

The only way you can make a cross-domain Javascript call from a web page is via JSONP. If you aren't offered JSONP, then you will have to resort to using a Proxy script, as browsers purposefully prevent site scripts from making such calls.

请注意，如果你正在写你所运行的特权空间中的Firefox扩展，从而能够无限制地进行这种跨域调用。

Note that if you're writing a Firefox extension you are executing in a privileged space, and thus are able to make such cross-domain calls without restrictions.

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