Facebook “Invite” 弹出窗口

<!-- invite 按钮 -->

<a href="javascript:;" id="invite">Invite your friend</a>

 

<!-- facebook 相关 -->

<div id="fb-root"></div>

<script type="text/javascript" src="http://connect.facebook.net/en_US/all.js"></script>

<script type="text/javascript">

    FB.init({

        appId: appid, // 注意替换正确的facebook app id

        status: true,

        cookie: true,

        xfbml: true,

        oauth: true

    });

 

    $('#invite').click(function(){

        FB.getLoginStatus(checkResponse);

    });

 

    function checkResponse(response) {

        // 如果用户尚未登录

        if (!response.authResponse) {

            FB.login(handleSessionResponse);

        } else {

            inviteFriends();

        }

    }

 

    function handleSessionResponse(response) {

        // 如果用户拒绝给权限

        if (!response.authResponse) {

            return;

        } else {

            inviteFriends();

        }

    }

 

    function inviteFriends() {

        // 调整窗口大小，仅对 display:'popup' 有效

        var uiSize = FB.UIServer.Methods["fbml.dialog"].size;

        FB.UIServer.Methods["fbml.dialog"].size = {620, height:560};

 

        FB.ui(

            {

                method: 'apprequests',

                display: 'popup', // popup 是 打开新窗口， dialogue 是 inline 窗口

                message: "[文字说明]"

            },

            function( response ){

                FB.UIServer.Methods["fbml.dialog"].size = uiSize;

            }

        );

    }

</script>