📄 update_w.jsp
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<html>
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>修改商品信息</title>
</head>
<jsp:useBean id="db" scope="page" class="sale.dbBean" />
<body>
<p align="center"><font size="7" color="#000080">销售管理信息系统</font></p>
<hr>
<%
String id=new String();
id=(String)session.getAttribute("id");
if(id==null)
{
response.sendRedirect("index.htm");
}
%>
<p align="center"><font size="6" color="#000080">修改商品信息</font></p>
<form method="POST" action="do_update_w.jsp">
<%
String c_id=new String();
String name=new String();
String spec=new String();
String price=new String();
c_id=request.getParameter("c_id");
String sql=new String();
ResultSet rs=null;
sql="select * from commodity where id='"+c_id+"'";
rs=db.executeQuery(sql);
if(rs.next())
{
c_id=rs.getString(1);
name=rs.getString(2);
spec=rs.getString(3);
price=rs.getString(4);
rs.close();
db.close();
%>
<center>
<table border="0" width="60%" cellpadding="2">
<tr>
<td width="50%">
<p align="center">商品名称 :<input type="text" name="name" value="<%=name%>" size="20"></p>
<p align="center">商品规格 :<input type="text" name="spec" value="<%=spec%>" size="20"></p>
<p align="center">商品单价 :<input type="text" name="price" value="<%=price%>" size="20"></p>
<input type="hidden" name="c_id" value="<%=c_id%>">
</td>
</tr>
</table>
</center>
<p align="center"><input type="submit" value="确认"> <input type="reset" value="重填"></p>
</form>
<form method="POST" action="commodity.jsp">
<p align="center">
<input type="submit" value="返回">
</form>
<%
}
%>
</body>
</html>
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