java工具，框架等的歷史版本下載頁面

1，JDK：http://www.oracle.com/technetwork/java/javase/downloads/java-archive-javase8-2177648.html

2,spring:http://repo.springsource.org/libs-release-local/org/springframework/spring/

3，spring官方文檔：http://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/

4，mybatis中文文檔：http://www.mybatis.org/mybatis-3/zh/getting-started.html