<head runat="server">
<title></title>
<script src="script/jquery-1.4.1.js" type="text/javascript"></script>
<script type="text/javascript">
function getCookie(c_name) {
if (document.cookie.length > 0) {
c_start = document.cookie.indexOf(c_name + "=")
if (c_start != -1) {
c_start = c_start + c_name.length + 1
c_end = document.cookie.indexOf(";", c_start)
if (c_end == -1) c_end = document.cookie.length
return (document.cookie.substring(c_start, c_end))
}
}
return ""
}
function setCookie(c_name, value, expiredays) {
var exdate = new Date()
exdate.setDate(exdate.getDate() + expiredays)
document.cookie = c_name + "=" + escape(value) +
((expiredays == null) ? "" : ";expires=" + exdate.toGMTString());
alert('COOKIE创建成功');
}
function checkCookie() {
username = getCookie('username')
if (username != null && username != "")
{ alert('Welcome again ' + username + '!') }
else {
username = prompt('Please enter your name:', "")
if (username != null && username != "") {
setCookie('username', username, 365)
}
}
}
function DelCookie(name) {
var exp = new Date();
exp.setTime(exp.getTime() - 1);
document.cookie = name + "=; expires=" + exp.toGMTString();
alert('指定COOKIE信息清除成功');
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input id="Button1" type="button" value="创建COOKIE前赋值" onclick="setCookie('username','I am value',3)" /><input id="Button2" type="button"
value="查看COOKIE信息" onclick="checkCookie()" /><input id="Button3" type="button" value="清除指定COOKIE信息" onclick="DelCookie('username')"/><input id="Button4" type="button" value="获取指定COOKIE值" onclick="alert(getCookie('username'))"/>
</div>
</form>
</body>
</html>
