a

http://www.cnblogs.com/zhouyinhui/archive/2007/09/27/908213.html#!comments

http://www.cnblogs.com/zhouyinhui/archive/2007/11/25/971986.html

http://www.cnblogs.com/zhouyinhui/archive/2007/06/23/793724.html

http://www.cnblogs.com/zhouyinhui/archive/2007/04/10/706107.html

http://www.cnblogs.com/fish124423/archive/2012/08/09/2630131.html