File list (Check if you may need any files):
uploadfile
..........\css
..........\...\fileUpload.css
..........\fileUpload.html
..........\javascript
..........\..........\AjaxWrapper.js
..........\..........\prototype.js
..........\result.jsp
..........\upload
..........\......\temp
..........\WEB-INF
..........\.......\classes
..........\.......\.......\liuzuochen
..........\.......\.......\..........\sample
..........\.......\.......\..........\......\upload
..........\.......\.......\..........\......\......\BackGroundService.class
..........\.......\.......\..........\......\......\BeanControler.class
..........\.......\.......\..........\......\......\FileUploadListener.class
..........\.......\.......\..........\......\......\FileUploadStatus.class
..........\.......\lib
..........\.......\...\commons-collections-2.1.1.jar
..........\.......\...\commons-fileupload-20070103.jar
..........\.......\...\commons-io-1.2.jar
..........\.......\...\commons-lang-2.2.jar
..........\.......\...\commons-logging-1.0.4.jar
..........\.......\...\dom4j-1.5.1.jar
..........\.......\...\jaxen-1.1-beta-4.jar
..........\.......\src
..........\.......\...\liuzuochen
..........\.......\...\..........\sample
..........\.......\...\..........\......\upload
..........\.......\...\..........\......\......\BackGroundService.java
..........\.......\...\..........\......\......\BeanControler.java
..........\.......\...\..........\......\......\FileUploadListener.java
..........\.......\...\..........\......\......\FileUploadStatus.java
..........\.......\web.xml