carremoveservlet.java

一个有jsp和servlet开发的网络购物系统

package action;
import impl.CarItem;
import java.io.IOException;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
 public class CarRemoveServlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
	public CarRemoveServlet() {
		super();
	}
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		HttpSession session=request.getSession();
		Integer nn=Integer.parseInt(request.getParameter("goods"));
		int name=nn.intValue();
		ArrayList list=(ArrayList)session.getAttribute("ItemAll");
		list = list==null ? new ArrayList() : list; 
		CarItem item=new CarItem();
		list=item.removeItem(list, name);
		session.setAttribute("ItemAll", list);	
		response.sendRedirect("jiesuan.jsp");
	}
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doGet(request,response);
	}   	  	    
}