<script type="text/javascript">
var expiresDate= new Date();
expiresDate.setTime(expiresDate.getTime() + (? * 60 * 1000)); //?替换成分钟数如果为60分钟则为 60 * 60 *1000
$.cookie("__cookie__", 'helloworld', {
            path : '/',           //cookie的作用域
            expires : expiresDate   
});
}
</script>