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如何利用jquery創建cookie來保存用戶的行為習慣

<html>

<head>

<meta?charset="utf-8"?/>

<title>cainiao</title>

<style?type="text/css">

</style>

<script?type="text/javascript"?src="jquery-1.8.0.min.js"></script>

<script?type="text/javascript">

function?readCookie?(name)

{

var?cookieValue?=?"";

var?search?=?name?+?"=";

if?(document.cookie.length?>?0)

{

offset?=?document.cookie.indexOf?(search);

if?(offset?!=?-1)

{

offset?+=?search.length;

end?=?document.cookie.indexOf?(";",?offset);

if?(end?==?-1)

end?=?document.cookie.length;

cookieValue?=?unescape?(document.cookie.substring?(offset,?end))

}

}

return?cookieValue;

}

function?writeCookie?(name,?value,?hours)

{

var?expire?=?"";

if?(hours?!=?null)

{

expire?=?new?Date?((new?Date?()).getTime?()?+?hours?*?3600000);

expire?=?";?expires="?+?expire.toGMTString?();

}

document.cookie?=?name?+?"="?+?escape?(value)?+?expire;

}

$?(function?()

{

var?language?=?readCookie?("language");

if?(language?!=?"")

{

$?('select').hide?();

}

else

{

$?('select').change?(function?()

{

writeCookie?("language",?$?(this).val?(),?Number.MAX_VALUE);

});

}

});

</script>

</head>

<body>

<select>

<option?value="-">--選擇--</option>

<option?value="E">English</option>

<option?value="C">中文</option>

</select>

</body>

</html>

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