addtocart.jsp
来自「郭克华j2ee高级框架实战教学视频源代码 这个是比较值得一看的 由郭克华博士」· JSP 代码 · 共 29 行
JSP
29 行
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'requestTest1.jsp' starting page</title>
</head>
<body>
This is my JSP page. <br>
<form action="addToCart.jsp">
输入一本书:<input name="book"><BR>
<input type="submit" value="添加到购物车">
</form>
<%
String book = request.getParameter("book");
if(book!=null){//添加到购物车
ArrayList gwc = (ArrayList)session.getAttribute("gwc");
if(gwc==null){
gwc = new ArrayList();
session.setAttribute("gwc",gwc);
}
gwc.add(book);
}
%>
<a href="cart.jsp">查看购物车</a>
</body>
</html>
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