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javascript读写cookie的一个小demo
发表于：2007-07-01来源：作者：点击数：
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!DOCTYPE html PUBLIC "-//W3C//D TD XHTML 1.0 Transitional//EN" "" html xmlns="" head titletest Cookie/title link rel="Stylesheet" type="text/css" href="../css/mainStyleSheet.css" / /head body h1 align="center"Cookie读写 测试 /h1 hr / h2writ
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ""><html xmlns="" >
<head>
<title>test Cookie</title>
<link rel="Stylesheet" type="text/css" href="../css/mainStyleSheet.css" />
</head>
<body>
<h1 align="center">Cookie读写测试</h1>
<hr />
<h2>write cookie:</h2>
<form id="login" name="login">
<table width="100%">
<tr>
<td align="right">User name:</td>
<td><input type="text" id="username" /></td>
</tr>
<tr>
<td align="right">Password:</td>
<td><input type="password" id="password" /></td>
</tr>
<tr><td colspan="2" align="center">
<input type="submit" id="ok" value="writer" onclick="javascript:writecookie(login)" />
</td></tr>
</table>
</form>
<script language="javascript" type="text/javascript">
<!--
function writecookie(fm)
{
var cookiename = fm.username.value;
var cookievalue = fm.password.value;
var codecookievalue = "";
for(var i = 0;i < cookievalue.length; ++i)
{
codecookievalue += cookievalue.charCodeAt(i);
if(i < cookievalue.length-1)
codecookievalue += "+";
}
var cookie = cookiename + "=" + codecookievalue;
var date = new Date();
date.setTime(date.getTime() + 100000);
var expirestr = date.toGMTString();
cookie += "; expires=" + expirestr;
document.cookie = cookie;
}
-->
</script>
<hr />
<h2>read cookie:</h2>
<input id="read" type="button" value="Read Cookie" onclick="javascipt:readcookie()" />
<script language="javascript" type="text/javascript">
<!--
function readcookie()
{
var cookiepair = document.cookie.split("=");
if(cookiepair[0] != null
&& cookiepair[1] != null)
{
var truevalue = "";
var arraycode = cookiepair[1].split("+");
for(var i = 0; i < arraycode.length; ++i)
truevalue += String.fromCharCode(arraycode[i]);
if(cookiepair != null)
{
document.writeln("<table width=\"100%\">");
document.writeln("<tr>");
document.writeln("<td>");
document.writeln("user name:");
document.writeln("<\/td>");
document.writeln("<td>");
document.writeln(cookiepair[0]);
document.writeln("<\/td>");
document.writeln("<\/tr>");
document.writeln("<tr>");
document.writeln("<td>");
document.writeln("password:");
document.writeln("<\/td>");
document.writeln("<td>");
document.writeln(truevalue);
document.writeln("<\/td>");
document.writeln("<\/tr>");
document.writeln("<\/table>");
}
}
else
document.writeln("no cookie!");
}
-->
</script>
</body>
</html>
