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http://www.nowamagic.net/librarys/veda/detail/1579

http://kb.cnblogs.com/page/129756/

http://blog.jobbole.com/12749/

http://www.cnblogs.com/bizhu/archive/2012/12/26/2834162.html

http://kb.cnblogs.com/page/178445/

http://blog.csdn.net/longyulu/article/details/45672607

http://www.jb51.net/softjc/71228.html

http://www.w3ctech.com/topic/48