📄 paybill.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<%@ page language="java" pageEncoding="utf-8"%>
<%@page import="java.sql.*"%>
<%@page import="java.text.*"%>
<%@page import="java.util.Date"%>
<%@page import="java.util.*"%>
<jsp:useBean id="alogin" class="login.jdbcBean" scope="page"/>
<link href="myCss.css" rel="stylesheet" type="text/css" />
<title>无标题文档</title>
</head>
<body class="myCss">
<%
String bookID[]=request.getParameterValues("checkbox");
ResultSet rs=null;
Double sum=0.0;
if(bookID==null){
out.print("你沒有选中商品，并未进行付款操作，购物车中商品仍为您保存---->");
out.print("<a href='"+request.getHeader("Referer")+"'>点此返回</a>");}
else{
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm");
String date=sdf.format(new Date());
out.print("你购买了以下商品--><br><br>");
ArrayList<String> arraylist=(ArrayList)session.getAttribute("arraylist");
rs=alogin.executeQuery("select * from books where bookID= '"+bookID[0]+"'");
arraylist.remove(bookID[0]);
if(rs.next()){
out.print(rs.getString("bookName")+"<br>");
String price=rs.getString("price");
sum=sum+Double.parseDouble(price);}
for(int i=1;i<bookID.length;i++){
rs=alogin.ReExecuteQuery("select * from books where bookID= '"+bookID[i]+"'");
arraylist.remove(bookID[i]);
if(rs.next()){
out.print(rs.getString("bookName")+"<br>");
String price=rs.getString("price");
sum=sum+Double.parseDouble(price);}
}
out.print("<br>");
out.print("共有--"+bookID.length+"--件商品<br>");
out.print("一共花费了您"+sum+"元");
rs.close();
alogin.closeDateBase();
String userName=(String)session.getAttribute("userName");
alogin.executeUpdate("update userAccount set account = account - "+sum+" where userName='"+userName+"'");
for(int i=0;i<bookID.length;i++){
alogin.executeUpdate("insert into buyList values( '"+userName+"','"+bookID[i]+"','"+date+"')");
}
}
%>
</body>
</html>
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