asp.net Web应用程序中的Facebook注销按钮

问题描述：

我正在尝试创建一个asp.net Web应用程序，当用户通过我的应用程序登录Facebook时，该用户的朋友将显示在应用程序中.

I am trying to create an asp.net web application, in which when user logins with Facebook through my application, the friends of that user will be displayed in the application.

现在，我想创建一个Facebook注销按钮，以便用户也可以注销.我尝试了一个代码

Now i want to create a Facebook Logout button so that user can log out also. I tried one code

HTML:

<asp:ImageButton ID="imgLogout" runat="server" OnClientClick="FB_Logout()"     ImageUrl="~/logout.jpg"/>

脚本:

<script type="text/javascript">
function FB_Logout() {

alert('Are you sure?')
FB.Connect.logoutAndRedirect("http://localhost:2708/List.aspx");

}

</script>

工作正常.但是现在用户无法注销.单击Facebook登录按钮直接打开已经登录的用户.

it was working fine. But now user can not logout. Clicking on Facebook Login Button directly opens the already logged in user.

答

我认为您可能正在使用旧的SDK.

I think you might be using an old SDK.

根据最新的JS SDK，您将使用FB.logout

According to the recent JS SDK you would use FB.logout

如下所示: https://developers.facebook.com/docs/参考/javascript/FB.logout/

此外，因为您要重定向，您可以使用以下注销代码后直接重定向

Also because you want to redirect you could either redirect straight after the logout code with

window.location='';

或挂接到Facebook中的注销事件，然后执行重定向.例如

or hook on the logout event in Facebook and do the redirect. e.g.

 FB.Event.subscribe("auth.logout", function() {window.location = '/users/logout'});
{$callback}

asp.net Web应用程序中的Facebook注销按钮

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