<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'Email.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript" src="JavaScript/jquery-1.4.js"></script>
</head>
<body>
<script>
function check(){
if($("#email1").val()==""){
alert("邮箱不能为空");
$("#tips").html("不能输入空的");
return FALSE；
}
if(!$("#email1").val().match(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/)){
alert("格式不正确！请重新输入");
$("#email1").focus();
}
}
</script>
<form action="#">
<input type="text" id="email1"><br><span id="tips"></span><br>
<input type="button" value="提交" onclick="check()">
</form>
</body>
</html>