Ehcache分布式缓存的最小化配置
注意：Ehcache分布式缓存的最小化配置，依赖于ehcache-1.3.0.jar、backport-util-concurrent.jar包，ehcache必须是1.3以上。
使用Apache POI 创建和读取MS Excel文档
Apache POI，The POI project consists of APIs for manipulating various file formats based upon Microsoft's OLE 2 Compound Document format using pure Java. In short, you can read and write MS Excel files using Java。