用poi技术操作office2007，一个非常简单的例子，适合入门，非常简单-With poi technical operations office2007, a very simple example, for entry, a very simple

Apache POI 是用Java编写的免费开源的跨平台的 Java API，Apache POI提供API给Java程式对Microsoft Office格式档案读和写的功能。-Apache POI is a free open source cross-platform Java written in Java API, the Apache POI API for Java programs to read and write Microsoft Office file format.