const getImgHost = function(url) {
    let urlArr = url.split('/'),
        num = urlArr[urlArr.length - 1].substr(1, 1),
        domain = 'static.yhbimg.com/goodsimg';

    url = domain + url;
    if (num === '1') {
        return '//img11.' + url;
    } else {
        return '//img12.' + url;
    }
};

module.exports = {
    getImgHost: getImgHost
};