java与数据库编程，实现具有基本的查看添加修改删除功能的简单的家谱管理系统-java database programming, with a view to add modify remove the basic function of a simple family tree management system

java编写的以树结构家谱，可以检验两个人之间是否有血源关系.很有意思的！-prepared in a tree structure java family tree, between two people can test whether blood relations. very interesting!