单击 Facebook 的“共享链接”按钮后是否可以检测到?比如这个?
http://www.facebook.com/sharer/sharer.php?s=100&p[url]=http://www.youtube.com/watch?v=ctJJrBw7e-c&p[images][0]=http://eofdreams.com/data_images/dreams/cat/cat-07.jpg&p[title]=Cat%20Video&p[summary]=Funny%20Cat%20Videos