File list (Check if you may need any files):
employee_sys\.classpath
............\.mymetadata
............\.project
............\.settings\.jsdtscope
............\.........\com.genuitec.eclipse.j2eedt.core.prefs
............\.........\org.eclipse.wst.jsdt.ui.superType.container
............\.........\org.eclipse.wst.jsdt.ui.superType.name
............\src\cn\itcast\control\EmpServlet.java
............\...\..\......\.......\IndexServlet.java
............\...\..\......\dao\EmpDao.java
............\...\..\......\...\impl\EmpDaoImpl.java
............\...\..\......\EmpNameExistsException.java
............\...\..\......\entity\Emp.java
............\...\..\......\service\EmpService.java
............\WebRoot\error\error.jsp
............\.......\index.jsp
............\.......\META-INF\MANIFEST.MF
............\.......\WEB-INF\classes\cn\itcast\control\EmpServlet.class
............\.......\.......\.......\..\......\.......\IndexServlet.class
............\.......\.......\.......\..\......\dao\EmpDao.class
............\.......\.......\.......\..\......\...\impl\DB.class
............\.......\.......\.......\..\......\...\....\EmpDaoImpl.class
............\.......\.......\.......\..\......\EmpNameExistsException.class
............\.......\.......\.......\..\......\entity\Emp.class
............\.......\.......\.......\..\......\service\EmpService.class
............\.......\.......\list_edit.jsp
............\.......\.......\list_emp.jsp
............\.......\.......\web.xml
............\.......\.......\classes\cn\itcast\dao\impl
............\.......\.......\.......\..\......\control
............\.......\.......\.......\..\......\dao
............\.......\.......\.......\..\......\entity
............\.......\.......\.......\..\......\service
............\src\cn\itcast\dao\impl
............\WebRoot\WEB-INF\classes\cn\itcast
............\src\cn\itcast\control
............\...\..\......\dao
............\...\..\......\entity
............\...\..\......\service
............\WebRoot\WEB-INF\classes\cn
............\src\cn\itcast
............\WebRoot\WEB-INF\classes
............\.......\.......\lib
............\src\cn
............\WebRoot\error
............\.......\META-INF
............\.......\WEB-INF
............\.myeclipse
............\.settings
............\src
............\WebRoot
employee_sys