2016/04/23 http://www.cnblogs.com/niyw/archive/2010/10/07/1845232.html
http://sangei.iteye.com/blog/2213720
anonymous class
2016/04/23 http://www.cnblogs.com/niyw/archive/2010/10/07/1845232.html
http://sangei.iteye.com/blog/2213720
anonymous class