function trimLeft(str, key) {
    if(!str) return "";
    if(!key) key = ' ';
    var index = 0;
    for (var i = 0; i < str.length; i++)
        if(str.charAt(i) == key){ index = i; break;}
    return str.substring(index, str.length);
}
function trimRight(str, key) {
    if(!str) return "";
    if(!key) key = ' ';
    var index = str.length-1;
    for (var i = str.length-1; i >= 0; i--)
        if(str.charAt(i) == key){ index = i; break;}
    return str.substring(0, index+1);
}
function trim(str, key) {
    return trimLeft(trimRight(str, key), key);
}

var Util = {
    getCookie: function (name) {
        var cookieValue = "";
        var arr;
        var reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
        if (arr = document.cookie.match(reg)){
            cookieValue = decodeURI(arr[2]);
            if(!cookieValue){
                cookieValue = localStorage.getItem(name);
            }
        }
        else
            cookieValue = localStorage.getItem(name);
        cookieValue = trim(cookieValue);
        return cookieValue;
    },
    //鐧诲綍鎴愬姛鍚庝繚瀛樼敤鎴蜂俊鎭埌鏈湴鏁版嵁搴
    setCookie: function (name, value, day) {
        // if (day !== 0) {     //褰撹缃殑鏃堕棿绛変簬0鏃讹紝涓嶈缃甧xpires灞炴€э紝cookie鍦ㄦ祻瑙堝櫒鍏抽棴鍚庡垹闄
        //     var expires = day * 24 * 60 * 60 * 1000;
        //     var date = new Date(+new Date() + expires);
        //     document.cookie = name + "=" + encodeURI(value) + ";expires=" + date.toUTCString() + ';path=/;domain=zgsyb.com';
        // } else {
        //     document.cookie = name + "=" + encodeURI(value)  + ';path=/;domain=zgsyb.com';
        // }
        if (day !== 0) {     //褰撹缃殑鏃堕棿绛変簬0鏃讹紝涓嶈缃甧xpires灞炴€э紝cookie鍦ㄦ祻瑙堝櫒鍏抽棴鍚庡垹闄
            var expires = day * 24 * 60 * 60 * 1000;
            var date = new Date(+new Date() + expires);
            document.cookie = name + "=" + encodeURI(value) + ";expires=" + date.toUTCString() + ';path=/;domain=zgsyb.com';
            localStorage.setItem(name, value);
        } else {
            document.cookie = name + "=" + encodeURI(value) + ';path=/;domain=zgsyb.com';
            localStorage.setItem(name, value);
        }


    },
    //鍒犻櫎cookie
    delCookie: function (name) {
        Util.setCookie(name, ' ', -1);
        localStorage.removeItem(name);
    },
    //鎻愬彇url涓殑鍩熷悕
    getDomain: function(url) {
        var domain = url.split('/');
        if(domain[2]) {
            domain = domain[2];
        } else {
            domain = ''; //濡傛灉url涓嶆纭氨鍙栫┖
        }
        return domain;
    }
}