hibernate一对多和多对一的理解http://www.cnblogs.com/eflylab/archive/2006/12/30/606607.html
hibernate 一对多和多对一的理解
http://www.cnblogs.com/eflylab/archive/2006/12/30/606607.html
hibernate 一对多和多对一的理解
http://www.cnblogs.com/eflylab/archive/2006/12/30/606607.html