获取跨域 iFrame 内容 [英] Get Cross-Domain iFrame content

问题描述

我想知道如何从 IFrame 跨域获取内容?

I would like to know how I can get content from an IFrame cross-domain?

我从非跨域 iFrame 获取内容没有问题，但是当它位于另一个域时，JavaScript 不允许访问.

I have no problem getting content from a non-cross-domain iFrame, but when it's located on another domain, JavaScript doesn't allow access.

推荐答案

如果不能通过您自己服务器上的代理请求它，您就不能.

Short of requesting it via a proxy on your own server, you can't.

同源政策阻止了它(并且有充分的理由；如果您在 iframe 中加载了我的银行网站并阅读了我的所有帐户详细信息)

The same origin policy prevents it (and for good reason; I would be very unhappy if you loaded my banking site in your iframe and read all my account details)

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