Oracle 数据库连接的客户端，用Java语言实现，有动态JTree结构显示数据库结构-Oracle Database Connection client, using Java language implementation, there are dynamic JTree structure shows the database structure

采用JTree根据数据库表建立树形结构。需要用mysql创建一个area(id,name)。id的结构是x.xxx.xxx.xxx结构，层次可自己设定。-Established according to a database table using JTree tree. Need to use mysql to create a area (id, name). id structure is x.xxx.xxx.xxx structure, hierarchy can set yoursel