Question

我在PHP中有一份Facebook App。供用户使用“电子邮件”许可。我注意到,我获得了用户电子邮件地址90%,但不是某些。

我知道,电子邮件许可使Facebook App得以获得用户简介中载明的主要电子邮件地址,但SDK有时返回<代码>null?

Answer 1

“电子邮件”是允许用户在提出申请时不必给予的延伸许可。如果您需要用户在您的传阅之前给予“电子邮件”许可,那么你必须检查,在允许用户在认证后继续工作之前,这种许可在场。

页: 1

Here is a method that I use to do just that:

<代码>permissions is a range of strings which represent the granteds requested.

hasPermissions(["email"], function(hasPerms){
     alert(hasPerms);
 });

function hasPermissions(permissions, callback){
    console.log("perms requested");
    console.log(permissions);
    FB.api("/me/permissions", function(response){
        var hasPerms = true;
        console.log("perms obtaind");
        console.log(response);
        for(var i in permissions){
            console.log([permissions[i]] + " - " + response["data"][0][permissions[i]])
            hasPerms = hasPerms && response["data"][0][permissions[i]] == 1;
        }
        if(typeof callback == "function"){
            callback(hasPerms);     
        }       
    });
}

Answer 2

I dont think email is part of extended permission set. I asked for the email permission in the authorization dialog, it does not appear in the auth dialog.

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