【JSP开源代码栏目提醒】:网学会员--在 JSP开源代码编辑为广大网友搜集整理了:filelist.jsp绩等信息,祝愿广大网友取得需要的信息,参考学习。
<%@page session="true"%>
<%@page import="java.sql.*,java.util.Vector,java.util.ArrayList,shopcart.bean.*"%>
<html>
<head>
<title>JSP在线书店</title>
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
</script><meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body bgcolor="#F4F5FF">
<hr>
<p>
<center>
<div align="center">
<b>
<font color="#3300CC" size="+3" face="华文行楷">在线书店</font>
</b>
</div>
<table border="1">
<tr>
<td width="72">
<div align="center">
<font size="4">书名</font>
</div>
</td>
<td width="80">
<div align="center">
<font size="4">作者</font>
</div>
</td>
<td width="40">
<div align="center">
<font size="4">价格</font>
</div>
</td>
<td width="88">
<div align="center">
<font size="4">出版社</font>
</div>
</td>
<td width="68"> </td>
</tr>
<%!ArrayList items = new ArrayList();%>
<%!String title, author, publish;%>
<%!double price;%>
<%!int id;%>
<%!double totalAmount;%>
<%!int count, removeNo, i;%>
<%!boolean isExist;%>
<%!String user;%>
<%
if (session.getValue("user") == null) {
user = request.getParameter("user");
session.putValue("user", user);
}
items = BookInfor.getAllBooks();
for (i = 0; i < items.size(); i++) {
BookInfor temp = (BookInfor) items.get(i);
title = temp.getTitle();
publish = temp.getPublish();
price = temp.getPrice();
id = temp.getID();
author = temp.getAuthor();
%>
<tr>
<td><%= title %> </td>
<td><%= author %> </td>
<td><%= price %> </td>
<td><%= publish %> </td>
<td>
<a href="filelist.jsp?action=add&item=<%= i%>">加入购物篮</a>
</td>
</tr>
<%}%>
</table>
<%
String action = request.getParameter("action");
if (action != null) {
%>
<form action="addtoorder" method="post">您的购物车中有以下物品:
<table border="1">
<tr>
<td>booktitle</td>
<td>bookauthor</td>
<td>price</td>
<td>Publish</td>
<td>Quantity</td>
<td>--------</td>
</tr>
<%
isExist = false;
Vector buyList = (Vector) session.getValue("shoppingcart");
String item = request.getParameter("item");
int bookID;
Cart cart = new Cart();
try {
bookID = Integer.parseInt(item);
BookInfor book = new BookInfor();
if (!items.isEmpty())
book = (BookInfor) items.get(bookID);
bookID = book.getID();
if (action.equals("add")) {
cart.setID(book.getID());
cart.setTitle(book.getTitle());
cart.setAuthor(book.getAuthor());
cart.setPrice(book.getPrice());
cart.setQuantity(1);
cart.setPublish(book.getPublish());
if (buyList == null) {
buyList = new Vector();
buyList.addElement(cart);
}
else {
for (int i = 0; i < buyList.size(); i++) {
Cart temp = (Cart) buyList.elementAt(i);
int tempid = temp.getID();
int tmp = temp.getQuantity();
if (tempid == temp.getID()) {
isExist = true;
temp.setQuantity(tmp + 1);
}
}
if (!isExist)
buyList.addElement(cart);
}
}
if (action.equals("del")) {
for (int i = 0; i < buyList.size(); i++) {
Cart temp = (Cart) buyList.elementAt(i);
int tempid = temp.getID();
temp.setQuantity(temp.getQuantity() - 1);
if (tempid == bookID)
removeNo = i;
}
buyList.removeElementAt(removeNo);
}
session.putValue("shoppingcart", buyList);
totalAmount = 0;
for (int i = 0; i < buyList.size(); i++) {
Cart temp = (Cart) buyList.elementAt(i);
out.println("<tr>");
out.println("<td>");
out.println(temp.getTitle());
out.println("</td>");
out.println("<td>");
out.println(temp.getAuthor());
out.println("</td>");
out.println("<td>");
out.println(temp.getPrice());
out.println("</td>");
out.println("<td>");
out.println(temp.getPublish());
out.println("</td>");
out.println("<td>");
out.println(temp.getQuantity());
out.println("</td>");
out.println("<td>");
int tmp = temp.getID();
int tmpQuantity = temp.getQuantity();
double price = temp.getPrice();
double booktotal = price * tmpQuantity;
totalAmount = totalAmount + booktotal;
%>
<a href="filelist.jsp?action=del&item=<%= tmp%>">删除</a>
<%
out.println("</td>");
out.println("</tr>");
}
out.println("</table>");
out.println("total:" + totalAmount);
out.println("<input type=\"submit\" value=\"submit\">");
} catch (Exception e) {
// out.println(e.getMessage());
}
}
%>
</form>
</center></body>
</html>
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