<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!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" />
<title>登录、注册</title>
</head>
<body>
<form action="conn.asp" method="post" name="form" target="_parent">
<table width="345" height="124" border="1">
  <tr>
    <td colspan="2"><div align="center">会员登录</div></td>
    </tr>
  <tr>
    <td width="111"><div align="right">用户名</div></td>
    <td width="218"><input type="text" name="use_zh" /></td>
  </tr>
  <tr>
    <td><div align="right">密码</div></td>
    <td><input type="password" name="use_mm" /></td>
  </tr>
  <tr>
    <td colspan="2"><button type="submit">提交</button><button type="reset">清空</button></td>
    </tr>
</table>
</form>


<form action="zc.asp" method="post" name="form" target="_parent">
<table width="345" height="124" border="1">
  <tr>
    <td colspan="2"><div align="center">会员登录</div></td>
    </tr>
  <tr>
    <td width="111"><div align="right">用户名</div></td>
    <td width="218"><input type="text" name="use_zh" /></td>
  </tr>
  <tr>
    <td><div align="right">密码</div></td>
    <td><input type="password" name="use_mm" /></td>
  </tr>
  <tr>
    <td colspan="2"><button type="submit">提交</button><button type="reset">清空</button></td>
    </tr>
</table>
</form>
</body>
</html>



登录验证页面


<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!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" />
<title>登录处理页面</title>
</head>
<body>
<%
	set conn=server.CreateObject("adodb.connection")
	sql="provider=microsoft.jet.oledb.4.0;data source="&server.MapPath("zc_dl.mdb")
	conn.open(sql)                                                                    '打开数据库
	
	yh=request.Form("use_zh")
	mm=request.Form("use_mm")                                                         '接收登录页面的用户名和密码
	
	set rs=server.CreateObject("adodb.recordset")
	sqll="select * from a1 where use_zh='"&yh&"' and use_mm='"&mm&"'"                 '查找数据库中是否有匹配的用户名和密码
	rs.open sqll,conn,1,3
	if rs.Eof then                                                                    '如果没有将提示以下的信息并返回登录页面
%>
<script language="javascript">
{
	alert("用户名、密码不正确");
	window.location.href="index.asp"
}
</script>
<%                                                                                    '匹配成功返回以下以下内容并结束判断语句
	else
	session("yh")=yh
	session("by")=rs("bh")
	response.Write("欢迎光临")
	response.Write(session("yh"))
	end if
%>
</body>
</html>




注册验证页面


<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!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" />
<title>注册处理页面</title>
</head>
<body>
<%
	set conn=server.CreateObject("adodb.connection")
	sql="provider=microsoft.jet.oledb.4.0;data source="&server.MapPath("zc_dl.mdb")
	conn.open(sql)                                                                    '连接数据库
	
	yh=request.Form("use_zh")
	mm=request.Form("use_mm")                                                          '接收注册页面的用户名和密码
	
	set rs=server.CreateObject("adodb.recordset")
	sqll="select * from a1"
	rs.open sqll,conn,1,3                                                              '打到zc_dl.mdb文件中a1表
	
	rs.addnew
	rs("use_zh")=yh
	rs("use_mm")=mm
	rs.update                                                                           ' 将接收到的用户名和密码写入a1表
	
	rs.close
	set rs=nothing                                                                       '关闭数据库
%>
<script>
{
alert("注册成功,帮您转回登录页面");
window.location.href="index.asp"
}                                                                                        /*提示注册成功*/
</script>
</body>
</html>

数据库文件名为:zc_dl.mdb

保存的表名为:a1

表字段名包括:bh(自动编号)  use_zh(文本)  use_mm(文本)

我也刚刚学,相互学习下 *><*