returnurl是什么意思. [英] what is the returnurl mean.

问题描述

returnurl是什么意思..

我用谷歌搜索了一下，但对它的理解却不是..

任何人都可以解释这种和平的代码

what does the returnurl mean..

i googled it but not get the understanding to if..

can anyone explanin this peace of code

<pre> if (User.Identity.IsAuthenticated && Request.QueryString["ReturnUrl"] != null)
        {
            Response.Redirect("NotAuthorized.aspx");
        }

推荐答案

使用表单身份验证并导航到需要
的页面时 身份验证应重定向到login.aspx页面(或在web.config文件的< forms loginurl =">标记中指定的页面)... .NET将自动在您的login.aspx后面附加?ReturnUrl = [用户试图访问未经身份验证的页面].

这是一本好书，易于理解(部分:表单身份验证控制流)

http://msdn.microsoft.com/en-us/library/aa480476.aspx [ ^ ]

When using Forms Authentication, and navigating to a page that requires
authentication should redirect to the login.aspx page (or a page specified in the <forms loginurl=""> tag in the web.config file)... .NET will automatically append your login.aspx with ?ReturnUrl=[page the user tried to access un-authenticated].

This is a good read to understand (section: Forms Authentication Control Flow)

http://msdn.microsoft.com/en-us/library/aa480476.aspx[^]

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