http://blog.csdn.net/kjfcpua/article/details/7300286
http://yhjhappy234.blog.163.com/blog/static/31632832201222691738865/
http://syyixin.iteye.com/blog/2183615
http://jbutton.iteye.com/blog/1569746
http://blog.csdn.net/suifeng3051/article/details/48292193
http://www.cnblogs.com/Mandylover/p/5208055.html
http://blog.csdn.net/tonytfjing/article/details/44278233
http://blog.csdn.net/u011546655/article/details/52175550
