📄 login.asp
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<%'禁止网页缓存
Response.Buffer = True
Response.ExpiresAbsolute = Now() - 1
Response.Expires = 0
Response.CacheControl = "no-cache"
'验证码生成
dim yz
randomize timer
yz=Int((8999)*Rnd +1009)
session("ok")=yz
%>
<script language="JavaScript">
<!--
if (self != top) top.location.href = window.location.href
//-->
</script>
<script LANGUAGE="javascript">
<!--
function checkspace(checkstr) {
var str = '';
for(i = 0; i < checkstr.length; i++) {
str = str + ' ';
}
return (str == checkstr);
}
function check()
{
if(checkspace(document.admininfo.admin.value)) {
document.admininfo.admin.focus();
alert("管理员不能为空！");
return false;
}
if(checkspace(document.admininfo.password.value)) {
document.admininfo.password.focus();
alert("密码不能为空！");
return false;
}
if(checkspace(document.admininfo.yzm.value)) {
document.admininfo.yzm.focus();
alert("验证码不能为空！");
return false;
}
if(document.admininfo.yzm.value != document.admininfo.yzm1.value) {
document.admininfo.yzm.focus();
document.admininfo.yzm.value = '';
document.admininfo.yzm1.value = '';
alert("验证码不同，请重新输入！");
return false;
}
document.admininfo.submit();
}
//-->
</script>
<html>
<head>
<title>管理员登录</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link href="../css.css" rel="stylesheet" type="text/css">
</head>
<body bgcolor="f1f1f1">
<div align="center"></div>
<form name="admininfo" method="post" action="chkadmin.asp" >
<div align="center">
<div align="center">
<table width="420" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="203"><img src="Image/D_Tu_YD1.gif" width="276" height="70"></td>
<td width="207" rowspan="3"><img src="Image/D_Tu_YD2.gif" width="144" height="214"></td>
</tr>
<tr>
<td width="276" height="124" background="Image/D_Tu_YD4.gif"><table width="100%" border="0" cellspacing="0" cellpadding="5">
<tr>
<td width="28%" align="right">用户:</td>
<td width="42%"><input name="admin" class="wenbenkuang" type="text" id="admin" size="14"></td>
<td width="30%"> </td>
</tr>
<tr>
<td align="right">密码:</td>
<td><input name="password" class="wenbenkuang" type="password" id="password" size="14"></td>
<td rowspan="3"><input border=0 onClick="return check();" name=Submit32 src="Image/D_Tu_DL.gif" type=image>
<input type="hidden" name="action" value="login"></td>
</tr>
<tr>
<td align="right">验证:</td>
<td><input name="yzm" type="password" class="wenbenkuang" id="yz3" size="8" maxlength="5"><%=yz%><span style="background-color: #FFFFFF"><font color="#ff3333">
<input name="yzm1" type="hidden" class="wenbenkuang" id="yzm1" value="<%=yz%>" size="8" maxlength="5">
</font></span></td>
</tr>
<tr>
<td align="right"> </td>
<td> </td>
</tr>
</table></td>
</tr>
<tr>
<td><img src="Image/D_Tu_YD3.gif" width="276" height="20"></td>
</tr>
</table>
</div>
</div>
</form>
</body>
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