使用Google+登录时如何注销使用 [英] How To Sign Out Using When Using Google+ Sign-In

问题描述

此处提供Google文档gapi.auth.signOut()方法: https://developers.google.com/+ /web/signin/#sign-out

Google documents there gapi.auth.signOut() method here: https://developers.google.com/+/web/signin/#sign-out

要注意的是，它说您只能在signinCallback触发后才能调用该方法.据我所知，触发signinCallback的唯一方法是在页面上放置一个登录按钮.

The catch is that it says you can only call that method after the signinCallback has fired. So far as I can tell, the only way to fire the signinCallback is to put a sign-in button on the page.

这对我的登录页面本身非常有效，但是一旦我对用户进行身份验证，就无需在后续页面上放置G +登录按钮.我只想在角落里有一个小的注销"链接，用户可以单击该链接进行注销.

This works great on my sign-in page itself, but as soon as I've authenticated a user, there's no need to put the G+ sign-in button on subsequent pages. I just want to have a small 'log out' link in the corner that the user can click to sign-out.

我尝试了退出链接调用gapi.auth.signOut()，但是它没有任何作用，除非我也显示了一个无用的登录按钮.我如何使它工作?

I tried having my log-out link call gapi.auth.signOut() but it does nothing unless I am also showing a useless log-in button. How do I get this to work?

推荐答案

按钮仅必须位于DOM中，而不必显示.似乎效果很好的是:

The button just has to be in the DOM, it doesn't have to be showing. What seems to work well is:

1. 创建一个隐藏元素，并将gapi处理程序附加到gapi.signin.render
2. 等待Instant_Failed错误-然后显示按钮
3. 否则，请接受登录的回调，然后显示注销按钮

然后，您每次都会收到回调，但仅在退出时显示按钮.

Then you'll get a callback every time, but only show the button when signed out.

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