1:
java 反编译插件:
http://java.decompiler.free.fr/jd-eclipse/update\
Eclipse下的Java反编译插件Java Decompiler(JD) Eclipse Plugin的下载与安装
http://blog.youkuaiyun.com/zhangzh332/archive/2011/04/18/6330604.aspx
2:
http://hi.baidu.com/tianfan/blog/item/99881a23e596c74b935807c0.html
3:
findjar eclipse plugin:
http://www.findjar.com/plugin.x
4: ext eclipse 插件
http://www.agpad.com/update/