Js And PHP Modify Cookie

简单的js函数封装cookie

//设置cookie
function setCookie(cname, cvalue, exdays) {
    var d = new Date();
    d.setTime(d.getTime() + (exdays*24*60*60*1000));
    var expires = "expires="+d.toUTCString();
    document.cookie = cname + "=" + cvalue + "; " + expires;
}

//获取cookie
function getCookie(cname) {
    var name = cname + "=";
    var ca = document.cookie.split(';');
    for(var i=0; i<ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0)===' ') c = c.substring(1);
        if (c.indexOf(name) !== -1) return c.substring(name.length, c.length);
    }
    return "";
}

//清除cookie
function clearCookie(name) {
    setCookie(name, "", -1);
}

JQuery Cookie lib

php后端发送cookie

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