📄 productcancel_do.jsp

📁 一个超市管理系统,提供一些基本简单的操作,JSP+APACHE+ORCALE实现

💻 JSP

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<script language="JavaScript">
<!--
function CheckForm()
{
   alert("错误！！！");
   return false;
}
// -->
</script>
<%@ page language="java" contentType="text/html; charset=gb2312"
    pageEncoding="gb2312"%>
<%@ page import="java.sql.*" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>物品信息数据处理</title>
</head>
<body>
<jsp:useBean id="Dbcon" scope="page" class="bb.Dbcon" />
<jsp:useBean id="login" scope="session" class="bb.login" />
<%if(login.dept!=2&&login.dept!=5)
  {
%>
<jsp:forward page="index.jsp"/>
<% 
  }
%>
<BR>
<table border=2 bordercolor="#FF0000"  align="center">
   <tr>
     <td>商品编码</td>
     <td>商品名称</td>
     <td>商品类别</td>
	 <td>单价(元)</td>
   </tr>
<%try{
  ResultSet rs=null;

  Connection con=Dbcon.getConn();
  String pro_id=request.getParameter("pro_id");
  String sql="update tpb.product set quantity=quantity+1 where pro_id='"+pro_id+"'";
  String sql1="select * from tpb.product where pro_id='"+pro_id+"'";
  Statement stmt=con.createStatement();
  stmt.executeQuery(sql);
  rs=stmt.executeQuery(sql1);
  rs.next();
%>
  <tr>
    <td><%=rs.getString("pro_id") %></td>
    <td><%=rs.getString("pro_name") %></td>
    <td><%=rs.getString("type") %></td>
    <td><%=rs.getString("price") %></td>
  </tr>
</table>
<%float price=rs.getFloat("price");
String sql2="insert into tpb.quit_product values (seq7.nextval,"+pro_id+","+price+")";
stmt.executeQuery(sql2);
%>

<%rs.close();
  stmt.close();
  Dbcon.Close();
  }catch(Exception e){
%>
<script language="JavaScript">
  CheckForm();
  document.location.href="sell.jsp"
</script>
<% 
}
%>
<hr>退货成功<br>
返回退货页面:
<a href="productCancel.jsp">返回</a>
</body>
</html>

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