File list (Check if you may need any files):
WebDemo
.......\.classpath
.......\.project
.......\.settings
.......\.........\.jsdtscope
.......\.........\org.eclipse.jdt.core.prefs
.......\.........\org.eclipse.wst.jsdt.ui.superType.container
.......\.........\org.eclipse.wst.jsdt.ui.superType.name
.......\build
.......\.....\classes
.......\.....\.......\sdu
.......\.....\.......\...\dao
.......\.....\.......\...\...\LoginDao.class
.......\.....\.......\...\service
.......\.....\.......\...\.......\LoginService.class
.......\.....\.......\...\servlet
.......\.....\.......\...\.......\LoginServlet.class
.......\src
.......\...\sdu
.......\...\...\dao
.......\...\...\...\LoginDao.java
.......\...\...\service
.......\...\...\.......\LoginService.java
.......\...\...\servlet
.......\...\...\.......\LoginServlet.java
.......\WebContent
.......\..........\index.jsp
.......\..........\META-INF
.......\..........\........\MANIFEST.MF
.......\..........\result.jsp
.......\..........\WEB-INF
.......\..........\.......\lib
.......\..........\.......\web.xml