Facebook oauth 检索用户电子邮件 [英] Facebook oauth retrieve user Email

问题描述

我正在使用 Facebook Javascript SDK 来获取 oauth 令牌并从 FB 检索所有数据:

I am using Facebook Javascript SDK to get oauth token and retrieve all the data from FB:

 function login() {
    FB.api('/me', function (response) {            
        alert('You have successfully logged in, ' + response.name + ", " + response.email + "!");

    });

我检索了所有基本信息(全名、工作、学校、ID..)，但没有检索到 EMAIL(响应.email == 未定义)！

I retrieve all basic information (full name, work, school, ID..) but not EMAIL (response.email == undefined) !!

我知道可以在基本信息中访问电子邮件(不要求电子邮件"权限)，我该怎么做?

I know it's possible to access email within basic information (not asking for 'email' permissions), how do I do that?

推荐答案

你需要明确的收到邮件如下:

You need get email explicitly as follows:

                    var url = '/me?fields=name,email';
                    FB.api(url, function (response) {
                        alert(response.name);
                        alert(response.email);
                    });

要获取电子邮件地址，需要电子邮件权限.所以代码可能看起来像(还有其他选项，如注册按钮、登录按钮..)

And to get the email address, email permission is needed. So the code might look like (there are other options like Register button, login button..)

            FB.login(function (response) {
                if (response.session) {
                    var url = '/me?fields=name,email';
                    FB.api(url, function (response) {
                        alert(response.name);
                        alert(response.email);
                    });
                }
                else {
                    alert("User did not login successfully");
                }
            }, { scope: 'email' }); /* perms changed to scope */

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