
【下面是login.asp代码】<script language="javascript">
function check(myform){
if (myform.username.value==""){
alert("请输入用户名!");myform.username.focus();return;}
if(myform.PWD.value==""){
alert("请输入密码!");myform.PWD.focus();return;}
myform.submit();
}
</script>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>登录界面</title>
<link href="style.css" rel="stylesheet" type="text/css">
</head>
<body style="background-color: #006699;">
<table width="100%" height="100%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr><td valign="middle">
<table width="450" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td valign="top" background="images/login1.JPG"><table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="38%" height="76"> </td>
<td width="62%"> </td>
</tr>
<tr>
<td height="149"> </td>
<td><table width="100%" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="24%" height="136"> </td>
<td width="70%" valign="middle">
<form action="checklogin.asp" method="post" name="myform">
<table width="100%" height="120" cellpadding="0" cellspacing="0">
<tr>
<td height="29" class="word_purple">请输入操作员和密码:</td>
</tr>
<tr>
<td height="35" class="word_purple">用户名:
<input name="username" type="text" id="username2" size="20"></td>
</tr>
<tr>
<td height="33" class="word_purple">密 码:
<input name="PWD" type="password" id="PWD" size="20" style=" font-family:Wingdings; width:129;" oncopy="return false" oncut="return false" onpaste="return false"></td>
</tr>
<tr>
<td align="center" valign="middle"><input name="Submit3" type="button" class="btn_grey" value="确定" onClick="check(myform)">
<input name="reset1" type="reset" class="btn_grey" value="取消"></td>
</tr>
</table>
</form></td>
<td width="6%"> </td>
</tr>
</table></td>
</tr>
<tr>
<td height="89"> </td>
<td><table width="100%" height="66" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="92%">本站请用IE5.0或以上版本浏览<br>
800*600为最佳效果 <br>
CopyRight 2005:吉林省明日科技有限公司<br>
</td>
<td width="8%"> </td>
</tr>
</table></td>
</tr>
</table></td>
</tr>
</table>
</td>
</tr></table>
</body>
</html>
function check(myform){
if (myform.username.value==""){
alert("请输入用户名!");myform.username.focus();return;}
if(myform.PWD.value==""){
alert("请输入密码!");myform.PWD.focus();return;}
myform.submit();
}
</script>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>登录界面</title>
<link href="style.css" rel="stylesheet" type="text/css">
</head>
<body style="background-color: #006699;">
<table width="100%" height="100%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr><td valign="middle">
<table width="450" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td valign="top" background="images/login1.JPG"><table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="38%" height="76"> </td>
<td width="62%"> </td>
</tr>
<tr>
<td height="149"> </td>
<td><table width="100%" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="24%" height="136"> </td>
<td width="70%" valign="middle">
<form action="checklogin.asp" method="post" name="myform">
<table width="100%" height="120" cellpadding="0" cellspacing="0">
<tr>
<td height="29" class="word_purple">请输入操作员和密码:</td>
</tr>
<tr>
<td height="35" class="word_purple">用户名:
<input name="username" type="text" id="username2" size="20"></td>
</tr>
<tr>
<td height="33" class="word_purple">密 码:
<input name="PWD" type="password" id="PWD" size="20" style=" font-family:Wingdings; width:129;" oncopy="return false" oncut="return false" onpaste="return false"></td>
</tr>
<tr>
<td align="center" valign="middle"><input name="Submit3" type="button" class="btn_grey" value="确定" onClick="check(myform)">
<input name="reset1" type="reset" class="btn_grey" value="取消"></td>
</tr>
</table>
</form></td>
<td width="6%"> </td>
</tr>
</table></td>
</tr>
<tr>
<td height="89"> </td>
<td><table width="100%" height="66" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="92%">本站请用IE5.0或以上版本浏览<br>
800*600为最佳效果 <br>
CopyRight 2005:吉林省明日科技有限公司<br>
</td>
<td width="8%"> </td>
</tr>
</table></td>
</tr>
</table></td>
</tr>
</table>
</td>
</tr></table>
</body>
</html>
