<script> ?//JS操作cookies方法! ???//写cookies ?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()); ?? } ????//读取cookies ?function getCookie(name) ?{ ?????var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)"); ????????if(arr=document.cookie.match(reg)) ????????????return (arr[2]); ?????else ?????????return null; ?} ???//删除cookies ?function delCookie(name) ?{ ?????var exp = new Date(); ?????exp.setTime(exp.getTime() - 1); ?????var cval=getCookie(name); ?????if(cval!=null) ?????????document.cookie= name + "="+cval+";expires="+exp.toGMTString(); ?} ?//使用示例 ?setCookie(‘username‘,‘Darren‘,30) ??alert(getCookie("username")); ?</script> js 处理 cookie的存储与删除
原文地址：http://www.cnblogs.com/DreamerLeaf/p/7977495.html