0

我正在使用 Facebook JS SDK 进行客户端身份验证，每个示例位于此处 

<!DOCTYPE html>
<html>
  <head>
    <title>Facebook Client-side Authentication Example</title>
  </head>
  <body>
    <div id="fb-root"></div>
    <script>
      // Load the SDK Asynchronously
      (function(d){
         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.js";
         ref.parentNode.insertBefore(js, ref);
       }(document));

      // Init the SDK upon load
      window.fbAsyncInit = function() {
        FB.init({
          appId      : 'YOUR_APP_ID', // App ID
          channelUrl : '//'+window.location.hostname+'/channel', // Path to your Channel File
          status     : true, // check login status
          cookie     : true, // enable cookies to allow the server to access the session
          xfbml      : true  // parse XFBML
        });

        // listen for and handle auth.statusChange events
        FB.Event.subscribe('auth.statusChange', function(response) {
          if (response.authResponse) {
            // user has auth'd your app and is logged into Facebook
            FB.api('/me', function(me){
              if (me.name) {
                document.getElementById('auth-displayname').innerHTML = me.name;
              }
            })
            document.getElementById('auth-loggedout').style.display = 'none';
            document.getElementById('auth-loggedin').style.display = 'block';
          } else {
            // user has not auth'd your app, or is not logged into Facebook
            document.getElementById('auth-loggedout').style.display = 'block';
            document.getElementById('auth-loggedin').style.display = 'none';
          }
        });

        // respond to clicks on the login and logout links
        document.getElementById('auth-loginlink').addEventListener('click', function(){
          FB.login();
        });
        document.getElementById('auth-logoutlink').addEventListener('click', function(){
          FB.logout();
        }); 
      } 
    </script>

    <h1>Facebook Client-side Authentication Example</h1>
      <div id="auth-status">
        <div id="auth-loggedout">
          <a href="#" id="auth-loginlink">Login</a>
        </div>
        <div id="auth-loggedin" style="display:none">
          Hi, <span id="auth-displayname"></span>  
        (<a href="#" id="auth-logoutlink">logout</a>)
      </div>
    </div>

  </body>
</html>

我在胡闹中无法弄清楚的是如何在此代码中添加范围参数以请求访问电子邮件地址。谁能指出我正确的方向？

谢谢！

- - 编辑 - -

我在文档中看到了这段代码

FB.login(function(response) {
   // handle the response
 }, {scope: 'email'});

我想我不确定如何将其合并到现有代码中，因为它不起作用

document.getElementById('auth-loginlink').addEventListener('click', function(){
              FB.login();
            });

如果有人可以更新上述行以合并额外的范围参数，我很想尝试一下。

4

1 回答 1

2

为您提供简单的解决方案。只需将这些参数添加到FB.login()函数中。

 FB.login(function(){}, {scope: 'email'});

如果您不需要处理登录响应，则只需提供一个空函数。

于 2012-09-07T01:04:07.590 回答