POI3.8组件研究（三）---基于User API (HSSF and XSSF)解析Excel2003和2007文件
POI3.8解析相关的jar文件如下：
??? <classpathentry kind="lib" path="libs/commons-logging-1.1.jar"/>
??? <classpathentry kind="lib" path="libs/dom4j-1.6.1.jar"/>
??? <classpathentry kind="lib" path="libs/poi-3.8-20120326.jar"/>
??? <classpathentry kind="lib" path="libs/poi-excelant-3.8-20120326.jar"/>
??? <classpathentry kind="lib" path="libs/poi-ooxml-3.8-20120326.jar"/>
??? <classpathentry kind="lib" path="libs/poi-ooxml-schemas-3.8-20120326.jar"/>
??? <classpathentry kind="lib" path="libs/poi-scratchpad-3.8-20120326.jar"/>
??? <classpathentry kind="lib" path="libs/stax-api-1.0.1.jar"/>
??? <classpathentry kind="lib" path="libs/xmlbeans-2.3.0.jar"/>
??? <classpathentry kind="lib" path="libs/commons-collections-3.2.jar"/>
??? <classpathentry kind="lib" path="libs/commons-lang-2.5.jar"/>
??? <classpathentry kind="lib" path="libs/json-lib-2.4-jdk15.jar"/>
??? <classpathentry kind="lib" path="libs/commons-beanutils-1.8.2.jar"/>
??? <classpathentry kind="lib" path="libs/ezmorph-1.0.6.jar"/>
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Excel的模型如下：
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