检测用户何时离开网站 [英] Detect when a user leaves a website
问题描述
我试图创建自己的网站访问库（为了好玩），就像Google Analytics一样，我可以检测用户何时访问我的网站，他们查看了哪些网页等。
<有没有一种方法可以确定用户什么时候离开网页并且/或者离开网站好？
我已经成功编码（在python中）用户第一次访问我的网站（使用cookie）&如何确定他们查看的页面。 但我不知道如何检测用户离开网站时的状态？
有没有JavaScript方法（也许我可以检测到页面/网址正在更改？）。我知道在HTTP中有一个引用标头，它告诉我用户来自哪里，也许当用户移动到另一个网站（我的外面）时，我可以得到这个通知（因为我将是该HTTP请求中的引用者） ？我是正确的
使用jQuery你可以触发这个：
$（window）.bind（'beforeunload'，function（）{
// ajax调用或许
//触发写入数据库或文件系统...
}）;
纯JavaScript方式：
< HTML>
< head>
< script>
函数closeIt（）
{
return这里的任何字符串值强制一个对话框到\\\
+
出现在关闭窗口之前。
}
window.onbeforeunload = closeIt;
< / script>
< / head>
< body>
< a href =http://www.somewhere.com>点击此处导航到
www.somewhere.com< / a>
< / body>
< / html>
I am trying to create my own website access library (for fun) like Google Analytics where I can detect when a user accesses my website, what pages they view etc.
Is there a way to determine when the user leaves a page &/or leaves the website for good?
I have successfully coded (in python) the detecting when the user 1st accesses my site (using a cookie) & how to determine what pages they view. But I don't know how I could detect when they user leaves the website for good?
Is there a way in javascript (maybe I can detect when the page/url is changing?). I know in HTTP there is a referrer header that tells me where the user came from, maybe when the user moves to another website (outside of mine), I can be notified of this (because I will be the referrer in that HTTP request)? Am I correct?
Using jquery you can trigger this:
$(window).bind('beforeunload', function() {
// ajax call perhaps
// triggering a write to db or filesystem...
});
Pure javascript way:
<html>
<head>
<script>
function closeIt()
{
return "Any string value here forces a dialog box to \n" +
"appear before closing the window.";
}
window.onbeforeunload = closeIt;
</script>
</head>
<body>
<a href="http://www.somewhere.com">Click here to navigate to
www.somewhere.com</a>
</body>
</html>
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