如何正确使用facebook OAuth2

在拼命尝试将facebook登录系统整合到我的网站中3天后，我得出的结论是我失败了。我只是用JavaScript SDK API调用创建了一个混乱的PHP SDK，结果如预期的那样，不工作。

我已经在Google和stackoverflow上搜索了其他人的问题，教程，解释的答案，但我现在承认自己失败了。

你能给我一个很好的指导吗?或者你能给我详细介绍一下他们图书馆的情况吗?

希望这不会被关闭。

编辑:这是使用facebook登录系统的推荐方法吗?编辑2:

FB.init({ appId : '<?php echo $core->appId; ?>', // App ID from the App Dashboard channelUrl : '//romeo.no-ip.org/94seconds/channel.html', // Channel File for x-domain communication status : true, // check the login status upon init? cookie : true, // set sessions cookies to allow your server to access the session? xfbml : true // parse XFBML tags on this page? });

此代码生成FB.getLoginStatus() called before calling FB.init().

我的页面是这样的:

<!DOCTYPE html>
<html>
    <head>
        <script src="../node_modules/socket.io/node_modules/socket.io-client/dist/socket.io.js"></script>
    </head>
    <body>
        <div id="fb-root"></div>
        <script>
          window.fbAsyncInit = function() {
                FB.init({
                  appId      : '<?php echo $core->appId; ?>', // App ID from the App Dashboard
                  channelUrl : '//romeo.no-ip.org/94seconds/channel.html', // Channel File for x-domain communication
                  status     : true, // check the login status upon init?
                  cookie     : true, // set sessions cookies to allow your server to access the session?
                  xfbml      : true  // parse XFBML tags on this page?
                });
          };
          // Load the SDK's source Asynchronously
          // Note that the debug version is being actively developed and might 
          // contain some type checks that are overly strict. 
          // Please report such bugs using the bugs tool.
          (function(d, debug){
             var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
             if (d.getElementById(id)) {return;}
             js = d.createElement('script'); js.id = id; js.async = true;
             js.src = "//connect.facebook.net/en_US/all" + (debug ? "/debug" : "") + ".js";
             ref.parentNode.insertBefore(js, ref);
           }(document, /*debug*/ false));
        </script>
    </body>
</html>

编辑3:没关系，我刚刚意识到我花了3 - 4个小时打孔墙，因为我放错了一些代码。我把错误弄丢了。:谢谢大家。

给你，兄弟!

这将添加fb js sdk到您的页面

(function(d, s, id) {
    var js, fjs = d.getElementsByTagName(s)[0];
    if (d.getElementById(id)) return;
    js = d.createElement(s);
    js.id = id;
    js.src = "//connect.facebook.net/en_US/all.js#xfbml=1&appId=" + APP_ID;
    fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));

这将告诉你用户是否登录或他的当前状态

window.fbAsyncInit = function() {
    // Additional init code here
    FB.getLoginStatus(function(response) {
        if (response.status === 'connected') {
            // logged in and connected
        } else if (response.status === 'not_authorized') {
        // not_authorized - the user has not authorized ur app
        } else {
        // User is not_logged_in
        }
    });
    FB.Event.subscribe('edge.create',
        function(response) {
            //Not relevant here
            //User has just liked your page
            //likeHandler(response);
        });
};

这是记录用户在

function Login() {
    FB.login(function (e) {
        //        console.log(e.authResponse);
        if (e.authResponse) {
            M_access_token = e.authResponse.accessToken;
            //custom function to get user details
            get_details();
        } else {
        //            console.log("Error : Failed to Authorize")
        }
    }, {
        scope: "email,user_likes,publish_stream"
    })
}
//Notice the scope param above

这是用于注销用户

function Logout() {
    FB.logout(function(response) {
        // user is now logged out
        });
}

自定义函数Get_details

function get_details(typeCalled) {
    FB.api("/me?fields=name,id,email,gender,username,picture", function (e) {
        fbUserObject = e;
        //        M_user_id = e.id;
        //        M_user_full_name = e.name;
        //        M_user_email = e.email;
        //        M_user_gender = e.gender;
        //        M_username = e.username;
        //picture = e.picture.data.url;
    });
}

一旦您有了用户数据，您可以将其传递给服务器并建立会话。一旦用户点击注销按钮，您应该清除服务器上的会话。

祝一切顺利!:)

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