Facebook回调附加“#_=_”到返回URL

Facebook回调已经开始追加#_=_哈希下划线返回URL

有人知道为什么吗?解决方案是什么?

当前回答

主要恼人的，特别是应用程序解析URI，而不只是读取$_GET…这是我拼凑出来的……享受吧!

<html xmlns:fb='http://www.facebook.com/2008/fbml'>
<head>
        <script type="text/javascript">
        // Get rid of the Facebook residue hash in the URI
        // Must be done in JS cuz hash only exists client-side
        // IE and Chrome version of the hack
        if (String(window.location.hash).substring(0,1) == "#") {
                window.location.hash = "";
                window.location.href=window.location.href.slice(0, -1);
                }
        // Firefox version of the hack
        if (String(location.hash).substring(0,1) == "#") {
                location.hash = "";
                location.href=location.href.substring(0,location.href.length-3);
                }
        </script>
</head>
<body>
URI should be clean
</body>
</html>

2012-01-01 00:36:39

其他回答

博士TL;

if (window.location.hash === "#_=_"){
    history.replaceState 
        ? history.replaceState(null, null, window.location.href.split("#")[0])
        : window.location.hash = "";
}

完整版本与一步一步的说明

// Test for the ugliness.
if (window.location.hash === "#_=_"){

    // Check if the browser supports history.replaceState.
    if (history.replaceState) {

        // Keep the exact URL up to the hash.
        var cleanHref = window.location.href.split("#")[0];

        // Replace the URL in the address bar without messing with the back button.
        history.replaceState(null, null, cleanHref);

    } else {

        // Well, you're on an old browser, we can get rid of the _=_ but not the #.
        window.location.hash = "";

    }

}

循序渐进:

We'll only get into the code block if the fragment is #_=_. Check if the browser supports the HTML5 window.replaceState method. Clean the URL by splitting on # and taking only the first part. Tell history to replace the current page state with the clean URL. This modifies the current history entry instead of creating a new one. What this means is the back and forward buttons will work just the way you want. ;-) If the browser does not support the awesome HTML 5 history methods then just clean up the URL as best you can by setting the hash to empty string. This is a poor fallback because it still leaves a trailing hash (example.com/#) and also it adds a history entry, so the back button will take you back to #_-_.

了解更多关于历史的知识。

了解window.location的更多信息。

2013-08-19 00:47:06

不知道他们为什么这样做，但是，你可以通过重置页面顶部的哈希来解决这个问题:

if (window.location.hash == "#_=_")
  window.location.hash = "";

2011-08-21 18:54:47

如果你使用vue-router，你可以添加到路由列表:

{
  path: '/_=_',
  redirect: '/', // <-- or other default route
},

2018-11-12 14:37:02

适用于PHP SDK用户

我只是通过在转发之前删除额外的部分来解决这个问题。

 $loginURL = $helper->getLoginUrl($redirectURL, $fbPermissions);
 $loginURL = str_replace("#_=_", "", $loginURL);
 header("Location: " . $loginURL);

2018-07-06 20:32:34

我知道这个回复晚了，但如果您正在使用passportjs，您可能想看到这个。

return (req, res, next) => {
    console.log(req.originalUrl);
    next();
};

我已经编写了这个中间件，并将其应用于表示服务器实例，我得到的原始URL没有“#_=_”。看起来，当我们将passporJS的实例作为中间件应用到服务器实例时，它不接受这些字符，而只在浏览器的地址栏上可见。

2017-09-01 21:18:11

Facebook回调附加“#_=_”到返回URL

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