<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>跳轉(zhuǎn)的源頁面</title>
<script type="text/javascript">
?? var backurl = document.referrer;
?? //登錄邏輯
?? //跳轉(zhuǎn)到上一個頁面
?? window.location.href = backurl;
</script>
</head>
<body>
<a >北財網(wǎng)</a>
</body>
</html>
