📄 cart.jsp
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<%@ 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>
您选择的书本. <br>
<%
ArrayList gwc = (ArrayList)session.getAttribute("gwc");
String book = request.getParameter("book");
if(book!=null){
gwc.remove(book);
}
for(int i=0;i<gwc.size();i++){
out.println(gwc.get(i));
out.println("<a href=cart.jsp?book="+gwc.get(i)+">删除</a><BR>");
}
%>
</body>
</html>
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