http://www.cnblogs.com/springside-example/archive/2011/10/17/2529640.html
http://wenku.baidu.com/link?url=eYhH9dxjSvzqdTl3fvz5TodZVdciuGZQxvn2HdMga16HL0LYJ4iFvf13mMgQmpPffRi5weMtI0NRDklqhuDUGcDL0cneS-3LCIR5IERf_PW
http://www.blueidea.com/tech/program/2010/7695_7.asp
PowerDesigner 业务处理模型( BPM ) 说明
原文：http://www.cnblogs.com/chengjun/p/5502697.html