1.官网；

http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html

2.数据库网址：’

http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html

3.weblogic 下载网址

http://www.oracle.com/technetwork/middleware/weblogic/downloads/wls-for-dev-1703574.html

4.JDK安装

http://www.oracle.com/technetwork/java/javase/archive-139210.html