潘文斌个人博客

function setCookie(name,value,days){
        var exp=new Date();
        exp.setTime(exp.getTime() + days*2*60*60*1000);
        var arr=document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
        document.cookie=name+"="+escape(value)+";expires="+exp.toGMTString();
}
function getCookie(name){
        var arr=document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
        if(arr!=null){
                return unescape(arr[2]);
                return null;
        }
}
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();
        }
}