电子政务应用

开发平台：

Java

purchase.jsp：源码内容

							<%@ page import="java.sql.*,java.util.*" %>
<%@ page session="true" %>
<html>
<head>
<title>网上书店</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"></head>
<body bgcolor="#F4F5FF">
<pre>
<font face="Times New Roman,Times" size="+3"> <font color="#00FF00" face="华文彩云"><strong>网上书店欢迎您！</strong></font><font color="#0033FF" face="华文行楷">您的定单已经写入数据库</font></font> 
<font color="#0033FF" face="华文行楷">！</font> 
<hr><p>
<center>
<%
int customer_id;
  String cID=(String)session.getValue("cID");
  customer_id=Integer.parseInt(cID);
  
  Vector buyList=(Vector)session.getValue("shoppingcart");
try
{String  sDBDriver="com.microsoft.jdbc.sqlserver.SQLServerDriver";
      Class.forName(sDBDriver);
 String sConnStr="jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=Web";
String username="sa";
String password="";
Connection connWeb=DriverManager.getConnection(sConnStr,username,password);
Statement stmt=connWeb.createStatement(); 
for(int i=0;i<buyList.size();i++)
  {
  int bookid=((shop.Bookinfo)buyList.elementAt(i)).getId();
  int book_quantity=((shop.Bookinfo)buyList.elementAt(i)).getQuantity();
  String query="insert into order_info(Customer_ID,Book_ID,Book_Quantity) values('"+cID+"','"+bookid+"','"+book_quantity+"')";
     stmt.executeUpdate(query);
    
	
 ResultSet rs=stmt.executeQuery("select * from order_info");
out.println("查看后台")	 ;
	while(rs.next()){
	 out.println("order_id:"+ rs.getString("order_id")+"customer_id:"+ rs.getString("customer_id"));
	 
	 }
	 rs.close();
	 stmt.close();
     connWeb.close();
  }
}
catch(SQLException e)
{
e.getMessage();
}
session.putValue("shoppingcart",null);
%>
</center>
</pre>
</body>
</html>

						