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使用xml.而无须不断刷新*.asp.
无刷新实现发言的逐条显示.
使用application变量存储聊天记录,所以要需要建立一个虚拟目录
服务器端不需要支持xml,只要支持asp和能建立虚拟目录就可以了.
以下代码在nt4.0+iis4.0上通过.我估计在你的win2000下也差不多吧.
如果有问题,请多多赐教:netnice@chinaok.net
##########index.asp##############################
<html>
<head>
<title>蓝蝶聊天室 www.chinaok.net</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<style type="text/css">
body{font-size: 9pt}
td{font-size: 9pt}
.tbljm{border-bottom: #000000 1px solid; border-left: #000000 1px solid; border-right: #000000 1px solid; border-top: #000000 1px solid;color:#000000;}
</style>
<script language="javascript">
function openwin()
{winst="status=yes,scrollbars=yes,resizable=yes,width="+(screen.availwidth-10)+",height="+(screen.availheight-50)+",top=0,left=0";
window.open(about:blank,7923sdfsdfs,winst);
}
function form_onsubmit(obj)
{ var no=0,psd="1234567890";
if(obj.username.value==""){alert("请输入你的昵称!\n"); obj.username.focus(); return false;}
if(obj.username.value.indexof(" ")>-1 ||obj.username.value.indexof("")>-1 || obj.username.value.indexof("\"")>-1){alert("你的昵称含有非法字符!\n"); obj.username.focus(); return false;}
openwin();
return true;
}
</script>
</head>
<body bgcolor="#ffffff" text="#000000" valign="center" onload="javascript:document.form1.ok.blur()" background="images/greystrip.gif">
<center><table border=0 width="67%">
<tbody>
<tr>
<td valign=center align="middle" style="font-size: 10.5pt"><font color=#0033ff>::::: :::::</font> </td>
</tr></tbody></table></center>
<table width="200" border="0" style="border-right: #003366 1px solid; border-top: #003366 1px solid; border-left: #003366 1px solid; border-bottom: #003366 1px solid" cellspacing="0" cellpadding="0" align="center">
<tr>
<td bgcolor="#304d7c" height="25">
<div align="center"><font color="#ffffff">用户登陆</font></div>
</td>
</tr>
<tr>
<td height="121">
<form name="form1" method="post" action="main.asp" onsubmit="return form_onsubmit(this)" target="7923sdfsdfs">
<table width="199" border="0" cellspacing="0" cellpadding="0" background="images/greystrip.gif">
<tr>
<td height="35">
<div align="center">用户名：
<input name="username" size="10" maxlength="20" class=tbljm>
</div>
</td>
</tr>
<tr>
<td height="41">
<div align="center">性 别：
<input type=radio value="0" name=sx checked>男 | <input type="radio" value="1" name=sx>女
</div>
</td>
</tr>
<tr>
<td height="40">
<div align="center">
<input type="submit" name="ok" value="登 陆" class=tbljm>
<input type="reset" name="nook" value="重 写" class=tbljm><br><br><font color=red>演示xmlhttp实现的无刷新技术<br>代码可下载</font><br></div>
</td>
</tr>
</table>
</form></td>
</tr>
</table>
</body>
</html>
