📄 existproductadd_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

字号:

<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>添加已有货物信息处理</title>
</head>
<body>
<jsp:useBean id="Dbcon" scope="page" class="bb.Dbcon" />
<jsp:useBean id="login" scope="session" class="bb.login" />
<%if(login.dept!=1&&login.dept!=5)
  {
%>
<jsp:forward page="index.jsp"/>
<% 
  }
%>
<BR>
<%try{
  ResultSet rs=null;
  Connection con=Dbcon.getConn();
  String pro_id=request.getParameter("pro_id");
  int quantity=Integer.parseInt(request.getParameter("quantity"));
  String sql1="select * from tpb.product where pro_id='"+pro_id+"'";
  Statement stmt=con.createStatement();
  rs=stmt.executeQuery(sql1);
  if(!rs.next()){
%>
<jsp:forward page="existProductAdd_do1.jsp">
<jsp:param name="parameternum" value="1"/>
</jsp:forward>
<%}
  String sql="update tpb.product set quantity=quantity+"+quantity+" where pro_id='"+pro_id+"'";
  stmt.executeQuery(sql); 
  rs.close();
  stmt.close();
  Dbcon.Close();
 }catch(Exception e){
%>
<script language="JavaScript">
  CheckForm();
  document.location.href="stock.jsp"
</script>
<% 
}
%>
<hr>添加已有货物成功<br>
返回添加已有货物页面:
<a href="existProductAdd.jsp">返回</a>
</body>
</html>

⌨️ 快捷键说明

复制代码 Ctrl + C

搜索代码 Ctrl + F

全屏模式 F11

切换主题 Ctrl + Shift + D

显示快捷键 ?

增大字号 Ctrl + =

减小字号 Ctrl + -