function setCookie(name, value)
{
    var date = new Date(); //获取当前时间
    var exp = 10; //expiresDays缩写exp(有效时间)
    date.setTime(date.getTime() + exp * 24 * 3600 * 1000); //格式化为cookie识别的时间
    document.cookie=escape(name) + "=" + escape(value) + ";expires="+date.toGMTString(); //将name设置为10天后过期,超过这个时间name这条cookie会消失
}

function getCookie(name)
{
    var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");
    if(arr=document.cookie.match(reg))
        return unescape(arr[2]);
    else
        return null;
}

function urlencode (str) {
    str = (str + '').toString();

    return encodeURIComponent(str).replace(/!/g, '%21').replace(/'/g, '%27').replace(/\(/g, '%28').
    replace(/\)/g, '%29').replace(/\*/g, '%2A').replace(/%20/g, '+');
}
//十六进制颜色值域RGB格式颜色值之间的相互转换
//-------------------------------------
//十六进制颜色值的正则表达式
var reg = /^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/;
/*RGB颜色转换为16进制*/
String.prototype.colorHex = function () {
    var that = this;
    if (/^(rgb|RGB)/.test(that)) {
        var aColor = that.replace(/(?:\(|\)|rgb|RGB)*/g, "").split(",");
        var strHex = "#";
        for (var i = 0; i < aColor.length; i++) {
            var hex = Number(aColor[i]).toString(16);
            if (hex === "0") {
                hex += hex;
            }
            strHex += hex;
        }
        if (strHex.length !== 7) {
            strHex = that;
        }
        return strHex;
    } else if (reg.test(that)) {
        var aNum = that.replace(/#/, "").split("");
        if (aNum.length === 6) {
            return that;
        } else if (aNum.length === 3) {
            var numHex = "#";
            for (var i = 0; i < aNum.length; i += 1) {
                numHex += (aNum[i] + aNum[i]);
            }
            return numHex;
        }
    } else {
        return that;
    }
};
//-------------------------------------------------
/*16进制颜色转为RGB格式*/
String.prototype.colorRgb = function () {
    var sColor = this.toLowerCase();
    if (sColor && reg.test(sColor)) {
        if (sColor.length === 4) {
            var sColorNew = "#";
            for (var i = 1; i < 4; i += 1) {
                sColorNew += sColor.slice(i, i + 1).concat(sColor.slice(i, i + 1));
            }
            sColor = sColorNew;
        }
        //处理六位的颜色值
        var sColorChange = [];
        for (var i = 1; i < 7; i += 2) {
            sColorChange.push(parseInt("0x" + sColor.slice(i, i + 2)));
        }
        return "RGB(" + sColorChange.join(",") + ")";
    } else {
        return sColor;
    }
};
//-------------------------------------------------
// var sRgb = "RGB(255, 255, 255)" , sHex = "#00538b";
// var sHexColor = sRgb.colorHex();//转换为十六进制方法
// var sRgbColor = sHex.colorRgb();//转为RGB颜色值的方法
// console.log(sHexColor);
// console.log(sRgbColor);


/**
 * 获取指定年月的最后一天
 * @param  {Number} year 年份，公元年
 * @param  {Number} month 月份有效值1~12
 * @return {Number} 返回1~31之间的一个数
 */
function getLastDay(year, month) {
    var d = new Date(0);
    if (month == 12) {
        d.setUTCFullYear(year + 1);
        d.setUTCMonth(0);
    } else {
        d.setUTCFullYear(year);
        d.setUTCMonth(month);
    }
    d.setTime(d.getTime() - 1);
    return d.getUTCDate();
}

/**
 * 功能：转换字符串到日期
 */
function convertStrToDate(date) {
    date = date.substring(0, 19);
    date = date.replace(/-/g, '/');
    var timestamp = new Date(date).getTime();
    // 根据毫秒数构建 Date 对象
    var d1 = new Date(timestamp);
    return d1;
}

//迭代方式实现
function padding1(num, length) {
    for (var len = (num + "").length; len < length; len = num.length) {
        num = "0" + num;
    }
    return num;
}

//检查是否为正浮点数
function isFloat(str) {
    var reg = /^(0|[1-9]\d*|[1-9]\d*\.\d+|0\.\d*[1-9]\d*)$/;
    if (reg.test(str)) {
        return true;
    } else {
        return false;
    }
}

//获取cookie
function getCookie(name) {
    var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
    if (arr = document.cookie.match(reg))
        return unescape(arr[2]);
    else
        return null;
}