日期:2014-05-16 浏览次数:20480 次
<html>
<head>
<title>Test</title>
<meta http-equiv="content-Type" content="text/html;charset=gb2312" />
<script type="text/javascript">
</script>
</head>
<body>
<input id="test11" type="text" style="margin-left: 100px; float: left; margin-top: 100px" id="key"
name="key" value="请输入关键字" onfocus="if(value==defaultValue){value='请输入关键字';this.style.color='#999999'}"
onblur="if(!value){value=defaultValue;this.style.color='#999999'}" onclick="this.value=''" />
</body>
</html>
------解决方案--------------------
样式自己调整一下,功能可以实现
<HTML>
<HEAD>
<TITLE><%=homepage_title%>--管理中心-用户登陆</TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<script language="JavaScript">
<!--
function window_onload() {
document.mail.username.focus();
}
function cancel()
{
mail.reset();
document.getElementById("txtHint").innerHTML="";
}
function IsValid()
{
if (document.mail.username.value=="")
{
document.getElementById("txtHint").innerHTML="用户名不能为空";
document.mail.username.focus();
return false;
}
if (document.mail.password.value=="")
{
document.getElementById("txtHint").innerHTML="密码不能为空";
document.mail.password.focus();
return false;
}
}
//-->
</script>
<style type="text/css">
<!--
.STYLE1 {font-size: 12px}
-->
</style>
</HEAD>
<BODY topMargin=0 leftmargin="0" onLoad="return window_onload()">
<p> </p>
<form name=mail action="ckecklogin.asp" onSubmit="return IsValid();" method=post>
<table width=234 border=1 align="center" cellpadding=0 cellspacing=0 bgcolor="#5BD2E8">
<tbody>
<tr>
<td height="37" colspan="2" align="center" style="line-height:180%" ><span id="txtHint" class="STYLE1"></span></td>
</tr>
<tr>
<td width="66" height="28" style="line-height:180%"> <span class="STYLE1">帐 号:</span> </td>
<td width="162" style="line-height:180%"><input type="text" name="username" size="20" class="button1"></td>
</tr>
<tr>
<td height="28" class="STYLE1" style="line-height:180%"> 密 码: </td>
<td height="28" style="line-height:180%"><input type="password" name="password" size="20" class="button1"></td>
</tr>
<tr>
<td height="28" colspan="2" align="center" style="line-height:180%">
<input type="submit" name="Submit" value="提交" id="Submit">
<label for="label"></label>
<input type="button" name="Submit2" value="重置" id="label" onClick=" c