firebaseAuth GoogleAuthProvider（）signInWithRedirect [英] firebaseAuth GoogleAuthProvider() signInWithRedirect

问题描述

我在我的应用中使用了重定向的Google身份验证，并且我想在身份验证完成后重定向。
但承诺不起作用
$ b $ pre $函数loginGoogle（）{
var provider = new firebase.auth .GoogleAuthProvider（）;
firebase.auth（）。signInWithRedirect（provider）;
firebase.auth（）。getRedirectResult（）。then（function（result）{
//这会给你一个Google Access令牌，你可以用它来访问Google API
if （result.credential）{
var token = result.credential.accessToken;
console.log（'token'+ token）;
}
//登录用户info
var user = result.user;
console.log（'user'+ user）;
//如果成功重定向到
$ state.go（'maps- （）;

// ...
}）。catch（function（error）{
// Handle Errors here。
var errorCode = error。代码;
console.log（errorCode）;
var errorMessage = error.message;
//使用的用户帐号的电子邮件
console.log（errorMessage）;
var email = error.email;
consol e.log（email）;
//使用的firebase.auth.AuthCredential类型。
var credential = error.credential;
console.log（凭证）;
// ...
}）;

$ / code>

谢谢。

解决方案>将 getRedirectResult（）调用移出您的 loginGoogle（）函数。应该在页面加载时调用 getRedirectResult（）。一个例子可以在这里找到：

https://github.com/firebase/quickstart-js/blob/master/auth/google-redirect.html

I've a authentication Google with redirect in my app, and I would like just redirect when authentication is completely finished. But the promise is not working

 function loginGoogle() {
        var provider = new firebase.auth.GoogleAuthProvider();
        firebase.auth().signInWithRedirect(provider);
        firebase.auth().getRedirectResult().then(function (result) {
            // This gives you a Google Access Token. You can use it to access the Google API.
            if (result.credential) {
                var token = result.credential.accessToken;
                console.log('token ' + token);
            }
            // The signed-in user info.
            var user = result.user;
            console.log('user ' + user);
            // if success redirect to
            $state.go('maps-fullwidth');

            // ...
        }).catch(function (error) {
            // Handle Errors here.
            var errorCode = error.code;
            console.log(errorCode);
            var errorMessage = error.message;
            // The email of the user's account used.
            console.log(errorMessage);
            var email = error.email;
            console.log(email);
            // The firebase.auth.AuthCredential type that was used.
            var credential = error.credential;
            console.log(credential);
            // ...
        });
    }

Thanks.

解决方案

Move the getRedirectResult() call out of your loginGoogle() function. getRedirectResult() should be called on page load. An example of this in action can be found here:

https://github.com/firebase/quickstart-js/blob/master/auth/google-redirect.html

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