addorderlineaction.java

非常经典的ssh整合实例

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.briup.web.action;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.briup.bean.Book;
import com.briup.bean.Orderline;
import com.briup.bean.ShoppingCart;
import com.briup.web.form.AddOrderLineForm;

/** 
 * MyEclipse Struts
 * Creation date: 02-24-2008
 * 
 * XDoclet definition:
 * @struts.action path="/addOrderLine" name="addOrderLineForm" input="/form/addOrderLine.jsp" scope="request" validate="true"
 * @struts.action-forward name="success" path="/listBook.jsp"
 */
public class AddOrderLineAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		AddOrderLineForm addOrderLineForm = (AddOrderLineForm) form;
		Long bookid=Long.parseLong(request.getParameter("bookid"));
		Long num=Long.parseLong(addOrderLineForm.getNum());
		ShoppingCart cart=(ShoppingCart)request.getSession().getAttribute("cart");
		Map<Long,Book> books=(Map<Long,Book>)request.getSession().getServletContext().getAttribute("books");
		Book book=books.get(bookid);
		Orderline orderline=new Orderline();
		orderline.setBook(book);
		orderline.setNum(num);
		cart.addLine(orderline);
		return mapping.findForward("success");		
	}
}