登录后将用户返回到上一页(Rails) [英] Return user to previous page after login (Rails)
问题描述
在 rails 2.3.8 站点上,我在每个页面上都有登录链接(将用户带到单独的登录页面).成功登录后,用户当前被重定向到 root.相反,我想重定向到他们之前查看的页面.
On a rails 2.3.8 site I have login links on each page (that takes a user to a separate signin page). After a successful login the user is currently redirected to root. Instead I'd like to redirect to the page they were previously viewing.
我试过使用 request.referer:
I've tried using request.referer:
redirect_back_or_default(request.referer)
其中redirect_back_or_default:
Where redirect_back_or_default:
def redirect_back_or_default(default)
redirect_to(session[:return_to] || default)
session[:return_to] = nil
end
但是,即使登录成功,也会产生访问被拒绝"错误.
But that generates an "access denied" error, even though the login is successful.
推荐答案
我不会尝试重定向到引用者,而是设置 session[:return_to]
Instead of trying to redirect to the referrer, I would set the session[:return_to]
您需要一个 before 过滤器,在您对所有操作进行身份验证之前运行:
You'll need a before filter that runs before your authentication on all your actions:
def store_return_to
session[:return_to] = request.url
end
然后将您的重定向更改为
Then change your redirect to just be
redirect_back_or_default()
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