http 除了 302，为什么 200 也可以实现浏览器跳转？

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19 条回复 • 2017-04-28 18:10:44 +08:00

1

TypeErrorNone

OP

2017-04-28 00:16:54 +08:00

<img src="https://segmentfault.com/img/bVMSpl" />
这是 link.zhihu.com 的响应

2

gracece

2017-04-28 00:19:43 +08:00

~ curl 'https://link.zhihu.com/?target=https://www.baidu.com'
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="renderer" content="webkit">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/>
<link rel="shortcut icon" href="https://static.zhihu.com/static/favicon.ico" type="image/x-icon">
<title>跳转中...</title>
</head>
<script>
var URI = "https%3A%2F%2Fwww.baidu.com";
window.location.href=decodeURIComponent(URI);
</script>
</html>

3

wwqgtxx

2017-04-28 00:20:30 +08:00

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="renderer" content="webkit">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/>
<link rel="shortcut icon" href="https://static.zhihu.com/static/favicon.ico" type="image/x-icon">
<title>跳转中...</title>
</head>
<script>
var URI = "https%3A%2F%2Fwww.baidu.com";
window.location.href=decodeURIComponent(URI);
</script>
</html>

4

huangtao728

2017-04-28 00:32:16 +08:00 via Android

可以跳转的原因见楼上
我猜知乎用 200 来跳转而不是 302 是因为 302 不易缓存吧

5

lmaq

2017-04-28 00:32:37 +08:00

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="renderer" content="webkit">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/>
<link rel="shortcut icon" href="https://static.zhihu.com/static/favicon.ico" type="image/x-icon">
<title>跳转中...</title>
</head>
<script>
var URI = "https%3A%2F%2Fwww.baidu.com";
window.location.href=decodeURIComponent(URI);
</script>
</html>