表单递交合法性检测-Email
发表于:2007-06-30来源:作者:点击数:
标签:
以下代码加入HTML的body区: script language= java script !-- Begin function chk(email, formname) { invalid = ; if (!email) invalid = 请输入您的Email地址。; else { if ( (email.indexOf(@) == -1) || (email.indexOf(.) == -1) ) invalid += \n\nEm
以下代码加入HTML的<body>区:
<script language="
javascript">
<!-- Begin
function chk(email, formname)
{
invalid = "";
if (!email)
invalid = "请输入您的Email地址。";
else {
if ( (email.indexOf("@") == -1) || (email.indexOf(".") == -1) )
invalid += "\n\nEmail地址不合法。应当包含@#@@#和@#.@#;例如(@#.com@#)。请检查后再递交。";
if (email.indexOf("your email here") > -1)
invalid += "\n\nEmail地址不合法,请检测您的Email地址,在域名内应当包含@#@@#和@#.@#;例如(@#.com@#)。";
if (email.indexOf("\\") > -1)
invalid += "\n\nEmail地址不合法,含有非法字符(\\)。";
if (email.indexOf("/") > -1)
invalid += "\n\nEmail地址不合法,含有非法字符(/)。";
if (email.indexOf("@#") > -1)
invalid += "\n\nEmail地址不合法,含有非法字符(@#)。";
if (email.indexOf("!") > -1)
invalid += "\n\nEmail地址不合法,含有非法字符(!)。";
if ( (email.indexOf(",") > -1) || (email.indexOf(";") > -1) )
invalid += "\n\n只输入一个Email地址,不要含有分号和逗号。";
if (email.indexOf("?subject") > -1)
invalid += "\n\n不要加入@#?subject=...@#。";
}
if (invalid == "")
{
return true;
}
else
{
alert("输入的Email可能包含错误:" + invalid);
return false;
}
}
// End -->
</script>
<form method="post" name="myform" action="submit.asp" onSubmit="return chk(document.myform.email.value)">
<div align="center">
<input type="text" name="email" value="your email here">
<input type="submit" name="Submit" value="Submit">
</div>
</form>
原文转自:http://www.ltesting.net