jsp购物车代码-百问十三

jsp购物车代码

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jsp购物车代码

//shopping.html shopping stor

please select the item that you want to buy ------------------------------------------------------------------//carts.jsp<%@page contentType="text/html;charset=ISO8859_1" %> <% cart.processRequest(); %> you have chosen these items: <% String []items=cart.getItems(); for(int i=0;i <%=items[i] %> <% } %> <%@include file="shopping.htm" %>---------------------------------------------------------------------//DummyCart.javapackage test;import javax.servlet.http.*;import java.util.Vector;import java.util.Enumeration;public class DummyCart{ Vector v = new Vector(); String submit=null; String item= null; private void addItem(String name) { v.addElement(name); } private void removeItem(String name) { v.removeElement(name); } public void setItem(String s) { item=s; } public void setSubmit(String s) { submit=s; } public String[] getItems() { String []s=new String[v.size()]; v.copyInto(s); return s; } public void processRequest() { if(submit==null) addItem(item); if(submit.equals("add")) addItem(item); else if (submit.equals("remove")) removeItem(item); reset(); } private void reset() { submit=null; item=null; } }----------------------------------------------------------------------上面是一个简单的例子，功能都能实现，对网页效果要求更漂亮些的可做一些修改。