package?com.action;

import?org.apache.struts.action.ActionMapping;
import?org.apache.struts.action.ActionForm;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?org.apache.struts.action.ActionForward;
import?com.actionForm.BookForm;
import?org.apache.struts.action.Action;
import?com.dao.BookDAO;
import?java.util.Date;

public?class?Book?extends?Action?{
????private?BookDAO?bookDAO?=?null;
????public?Book（）?{
????????this.bookDAO?=?new?BookDAO（）;
????}

????public?ActionForward?execute（ActionMapping?mapping?ActionForm?form
?????????????????????????????????HttpServletRequest?request
?????????????????????????????????HttpServletResponse?response）?{
????????String?action?=request.getParameter（“action“）;
????????System.o