http://www.cnblogs.com/rush/archive/2012/05/15/2502264.html
https://www.ibm.com/developerworks/cn/xml/wa-ajaxintro3/
http://msdn.microsoft.com/zh-cn/magazine/cc163347.aspx
http://blog.csdn.net/zhq426/article/details/2992488
http://blog.csdn.net/jonathan_q_bo/article/details/537635
http://www.360doc.com/content/13/1023/09/10504424_323442555.shtml