MVC模式
.......\src
.......\...\lesson15
.......\...\........\controller
.......\...\........\..........\Action.java
.......\...\........\..........\ActionFcatory.java
.......\...\........\..........\AddAddressAction.java
.......\...\........\..........\AddUserAction.java
.......\...\........\..........\ControllerServlet.java
.......\...\........\..........\DeleteAddressAction.java
.......\...\........\..........\FindAddressByIdAction.java
.......\...\........\..........\LoginAction.java
.......\...\........\..........\UpdateAddressAction.java
.......\...\........\..........\UpdatePwdAction.java
.......\...\........\model
.......\...\........\.....\Address.java
.......\...\........\.....\AddressDAO.java
.......\...\........\.....\DBManager.java
.......\...\........\.....\Users.java
.......\...\........\.....\UsersDAO.java
.......\WebRoot
.......\.......\jsp
.......\.......\...\lesson15
.......\.......\...\........\add.jsp
.......\.......\...\........\address.jsp
.......\.......\...\........\adduser.jsp
.......\.......\...\........\error.jsp
.......\.......\...\........\index.jsp
.......\.......\...\........\login.jsp
.......\.......\...\........\menu.jsp
.......\.......\...\........\succeed.jsp
.......\.......\...\........\title.jsp
.......\.......\...\........\update.jsp
.......\.......\...\........\updatepwd.jsp