How to get the url of the previous page (via request.getHeader ("referer"); if not available)

liu6430

Through request.getHeader ("referer"); cannot get the previous page address. Don't know what to do

cedarcao

Best to bring in url

天秤座分解

Put a hidden

liu6430

At the time of the question, the previous page was not written by us, it may be someone else's. Is there any way to get it

bevande

Seems to violate privacy principles

blackstar

With javaScript
document.referrer

liu6430

How can javascript be passed to jsp? Can it be passed in the address bar, and javascipt can definitely be obtained?

破碎的天

request.getRequestURL().toString()

136617666

request.getRequestURL().toString()
Is not working

document.referrer is fine, but there may be errors~~

The best way is to construct the URL directly

out.println(<script>location.href = url</script>)