FaceBook Javascript SDK当用户已经登录时,OAuth授权FB
问题描述:
我试图找到用户从我的应用程序注销时的情况,但仍然登录在Facebook上,并尝试通过OAuth登录到我的应用程序。
我正在通过侦听'auth.login'事件来检查授权状态。
当用户在这种情况下点击Facebook连接按钮时,弹出窗口会自动关闭,然后什么都不会发生(因为用户已经登录Facebook,登录事件不会被触发)。如果我添加getLoginStatus()检查,那么当打开页面时,用户会自动登录到我的应用程序,即使他没有点击Facebook连接按钮(多数民众赞成什么我不想要)任何想法?谢谢!FaceBook Javascript SDK当用户已经登录时,OAuth授权FB
答
当用户已经登录此FB事件时,在此处指定您的执行代码。
FB.getLoginStatus(function(response) {
if (response.status === 'connected') {
// the user is logged in and has authenticated your
// app, and response.authResponse supplies
// the user's ID, a valid access token, a signed
// request, and the time the access token
// and signed request each expire
var uid = response.authResponse.userID;
var accessToken = response.authResponse.accessToken;
} else if (response.status === 'not_authorized') {
// the user is logged in to Facebook,
// but has not authenticated your app
} else {
// the user isn't logged in to Facebook.
}
});