java 8 原版 api 下载地址，

http://download.oracle.com/otn-pub/java/javafx/8.0.25-b17/javafx-8u25-apidocs.zip?AuthParam=1417499456_5e5a285917d29e5d55892d07d28cdd7c

https://docs.oracle.com/javaee/7/JEETT.pdf

http://download.oracle.com/otn-pub/java/jdk/8u25-b17/jdk-8u25-docs-all.zip?AuthParam=1417497122_12bc3a0db3e7a8f3c10288aaa676e5f6

http://docs.oracle.com/javase/8/docs/