File list (Check if you may need any files):
Json_Demo\.classpath
.........\.mymetadata
.........\.project
.........\.settings\.jsdtscope
.........\.........\org.eclipse.wst.jsdt.ui.superType.container
.........\.........\org.eclipse.wst.jsdt.ui.superType.name
.........\src\com\czq\dao\DeptDAO.java
.........\...\...\...\entitiy\Dept.java
.........\...\...\...\servlet\JsonServlet.java
.........\...\...\...\util\DBHelp.java
.........\WebRoot\index.jsp
.........\.......\jquery_lib\jquery-1.6.2.min.js
.........\.......\META-INF\MANIFEST.MF
.........\.......\WEB-INF\classes\com\czq\dao\DeptDAO.class
.........\.......\.......\.......\...\...\entitiy\Dept.class
.........\.......\.......\.......\...\...\servlet\JsonServlet.class
.........\.......\.......\.......\...\...\util\DBHelp.class
.........\.......\.......\lib\commons-beanutils-1.8.3.jar
.........\.......\.......\...\commons-collections-3.2.1.jar
.........\.......\.......\...\commons-lang.jar
.........\.......\.......\...\commons-logging.jar
.........\.......\.......\...\ezmorph-1.0.6.jar
.........\.......\.......\...\json-lib-2.4-jdk15.jar
.........\.......\.......\...\ojdbc6.jar
.........\.......\.......\web.xml
.........\.......\.......\classes\com\czq\dao
.........\.......\.......\.......\...\...\entitiy
.........\.......\.......\.......\...\...\servlet
.........\.......\.......\.......\...\...\util
.........\.......\.......\.......\...\czq
.........\src\com\czq\dao
.........\...\...\...\entitiy
.........\...\...\...\servlet
.........\...\...\...\util
.........\WebRoot\WEB-INF\classes\com
.........\src\com\czq
.........\WebRoot\WEB-INF\classes
.........\.......\.......\lib
.........\src\com
.........\WebRoot\jquery_lib
.........\.......\META-INF
.........\.......\WEB-INF
.........\.myeclipse
.........\.settings
.........\src
.........\WebRoot
Json_Demo