web流程設計器

http://www.codefans.net/soft/14384.shtml

http://blog.csdn.net/aochuanguying/article/details/7401791

http://www.codefans.net/down/14309.shtml

http://download.csdn.net/download/comsci/2024578

http://code.google.com/p/xiaojw-graph-strawberry/