Oracle下载网址http://www.oracle.com/technetwork/indexes/downloads/index.html
驱动下找到jdbc驱动
或这个网址http://www.oracle.com/technetwork/database/features/jdbc/index-091264.html
看准自己安装的Oracle版本下载吧
ojdbc6下载
http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-111060-084321.html