File list (Check if you may need any files):
Poi实现excel上传下载
....................\.classpath
....................\.myeclipse
....................\.mymetadata
....................\.project
....................\.settings
....................\.........\.jsdtscope
....................\.........\org.eclipse.jdt.core.prefs
....................\.........\org.eclipse.wst.jsdt.ui.superType.container
....................\.........\org.eclipse.wst.jsdt.ui.superType.name
....................\WebRoot
....................\.......\META-INF
....................\.......\........\MANIFEST.MF
....................\.......\WEB-INF
....................\.......\.......\classes
....................\.......\.......\.......\ddd
....................\.......\.......\.......\org
....................\.......\.......\.......\...\xg
....................\.......\.......\.......\...\..\db
....................\.......\.......\.......\...\..\..\DBConnection.class
....................\.......\.......\.......\...\..\..\MySql2Excel.class
....................\.......\.......\.......\...\..\excel
....................\.......\.......\.......\...\..\.....\POIExcelReader.class
....................\.......\.......\.......\...\..\.....\servlet
....................\.......\.......\.......\...\..\.....\.......\DownLoadExcel.class
....................\.......\.......\lib
....................\.......\.......\web.xml
....................\.......\download.jsp
....................\.......\index.jsp
....................\.......\readExcel.jsp
....................\src
....................\...\ddd
....................\...\org
....................\...\...\xg
....................\...\...\..\db
....................\...\...\..\..\DBConnection.java
....................\...\...\..\..\MySql2Excel.java
....................\...\...\..\excel
....................\...\...\..\.....\POIExcelReader.java
....................\...\...\..\.....\servlet
....................\...\...\..\.....\.......\DownLoadExcel.java