登录页面设计
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script language="javascript">
function check(){
var name = form1.user.value;
var pwd = form1.pwd.value;
var sf = form1.Type.value;
if(sf == ""){
alert("请选择身份！");
form1.Type.focus();
return;
}else if((name=="") || (name == null)){
alert("请输入用户名");
form1.user.focus();
return;
}else if((pwd == "") || (pwd == null)){
alert("请输入密码");
form1.pwd.focus();
return;
}else{
form1.submit();
}
}
</script>
</head>
<body>
<form name="form1" method="post" action="GoLogin.action">
<table width="300" border="1" bordercolor="#FFFFFF" cellspacing="0" cellpadding="0" bordercolordark="#cccccc" bordercolorlight="#FFFFF">
<tr>
<td height="30" colspan="2" bgcolor="#eeeeee">用户登录</td>
</tr>
<tr>
<td width="70" height="30">身份：</td>
<td>
<select name="Type">
<option value="">请选择</option>
<option value="系统管理员">系统管理员</option>
<option value="楼宇管理员">楼宇管理员</option>
<option value="学生">学生</option>
</select>
</td>
</tr>
<tr>
<td width="70" height="30">用户名：</td>
<td width="162"><input name="user" type="text" id="user"/></td>
</tr>
<tr>
<td height="30">密 ; 码：</td>
<td><input name="pwd" type="text" id="pwd" /></td>
</tr>
<tr>
<td height="30" colspan="2" align="center">
<input type="button" value="登录" onclick="return check()" />
<input type="reset" value="重置" />
</td>
</tr>
</table>
</form>
</body>
</html>
