我也沒做過:(
http://expert.csdn.net/Expert/ForumList_Search.asp?searchtype=2&bigclassid=5&smallclassid=502&searchKeys=%B9%A4%D7%F7%C1%F7&author=&tabletype=now&Submit2=%B6%D4%D1%A1%D4%F1%B5%C4%D0%A1%C0%E0%BD%F8%D0%D0%CB%D1%CB%F7
http://expert.csdn.net/Expert/ForumList_Search.asp?searchtype=2&bigclassid=5&smallclassid=502&searchKeys=%B9%A4%D7%F7%C1%F7&author=&tabletype=now&Submit2=%B6%D4%D1%A1%D4%F1%B5%C4%D0%A1%C0%E0%BD%F8%D0%D0%CB%D1%CB%F7
程序流模型?