jni非常好的一篇文章
http://m.blog.csdn.net/article/details?id=22827307
JAVA JNI介绍
http://blog.csdn.net/cyg0810/article/details/7918029
用 JNI 进行 JAVA 编程
http://wenku.baidu.com/link?url=Rkmtr4hfYpSrmvPEc505RDmpMJb3TDK-7SLhL0oell47YN1vikhn4Knm0DZPENEdTkwhJP7ll5aCrkh6LzghB4RhrzXXxkWj4KZ1mcd9A9eHIZchhr_kVi-yxXo5k5qQ