Question

我正在使用Facebook登录功能，它运行良好，当我在Facebook上连接时，重定向自动完成，但我现在尝试只在用户点击按钮facebook登录时进行重定向，这是我的代码：

感谢您的帮助。

Ps：抱歉我的英文不好

<button id="fb_login_button"
      onclick="FB.login(function(){ /* this is a callback function */ },
      {scope: 'email,user_birthday,read_stream'});
       return false;" class="button button-facelogin" > Via Facebook

</button>



    <script>



  window.fbAsyncInit = function() {
  FB.init({
    appId      : 'XXXXXXXXXXXXX', // App ID
    channelUrl : '//WEBSITE/index.php', // Channel File
    status     : true, // check login status
    cookie     : true, // enable cookies to allow the server to access the session
    xfbml      : true  // parse XFBML
  });




  // Here we subscribe to the auth.authResponseChange JavaScript event. This event is fired
  // for any authentication related change, such as login, logout or session refresh. This means that
  // whenever someone who was previously logged out tries to log in again, the correct case below 
  // will be handled. 
  FB.Event.subscribe('auth.authResponseChange', function(response) {
    // Here we specify what we do with the response anytime this event occurs.

     top.location = window.location = "REDIRECTION URL"



    if (response.status === 'connected' && $GLOBALS["disconected"]=== "false")  {
      // The response object is returned with a status field that lets the app know the current
      // login status of the person. In this case, we're handling the situation where they 
      // have logged in to the app.

      testAPI();


    } else if (response.status === 'not_authorized') {
      // In this case, the person is logged into Facebook, but not into the app, so we call
      // FB.login() to prompt them to do so. 
      // In real-life usage, you wouldn't want to immediately prompt someone to login 
      // like this, for two reasons:
      // (1) JavaScript created popup windows are blocked by most browsers unless they 
      // result from direct interaction from people using the app (such as a mouse click)
      // (2) it is a bad experience to be continually prompted to login upon page load.
      FB.login();



    } else { 
      // In this case, the person is not logged into Facebook, so we call the login() 
      // function to prompt them to do so. Note that at this stage there is no indication
      // of whether they are logged into the app. If they aren't then they'll see the Login
      // dialog right after they log in to Facebook. 
      // The same caveats as above apply to the FB.login() call here.
      FB.login();
    }
  });
  };



  // 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));

  // Here we run a very simple test of the Graph API after login is successful. 
  // This testAPI() function is only called in those cases. 
  function testAPI() {
    console.log('Welcome!  Fetching your information.... ');
    FB.api('/me', function(response) {
      console.log('Good to see you, ' + response.name + '.');
    });
  }
  </script>

Answer 1

您可以将代码拆分为两个文件：

的index.php

<button id="fb_login_button" onclick="location.href='facebookLoginPage.php" class="button button-facelogin" > Via Facebook
</button>

facebookLoginPage.php

<script>

FB.login(function(){ /* this is a callback function */ },{scope: 'email,user_birthday,read_stream'});

  window.fbAsyncInit = function() {
  FB.init({
    appId      : 'XXXXXXXXXXXXX', // App ID
    channelUrl : '//WEBSITE/index.php', // Channel File
    status     : true, // check login status
    cookie     : true, // enable cookies to allow the server to access the session
    xfbml      : true  // parse XFBML
  });

  FB.Event.subscribe('auth.authResponseChange', function(response) {
  top.location = window.location = "REDIRECTION URL"
    if (response.status === 'connected' && $GLOBALS["disconected"]=== "false")  {
      testAPI();
    } else if (response.status === 'not_authorized') {
      FB.login();
    } else { 
      FB.login();
    }
  });
  };
  (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));

  function testAPI() {
    console.log('Welcome!  Fetching your information.... ');
    FB.api('/me', function(response) {
      console.log('Good to see you, ' + response.name + '.');
    });
  }
  </script>

Facebook登录禁用自动重定向

1 个答案: