export function judgeBrand(sUserAgent) {
    var isIphone = sUserAgent.match(/iphone/i) == "iphone";
    var isHuawei = sUserAgent.match(/huawei/i) == "huawei";
    var isHonor = sUserAgent.match(/honor/i) == "honor";
    var isOppo = sUserAgent.match(/oppo/i) == "oppo";
    var isOppoR15 = sUserAgent.match(/pacm00/i) == "pacm00";
    var isVivo = sUserAgent.match(/vivo/i) == "vivo";
    var isXiaomi = sUserAgent.match(/mi\s/i) == "mi ";
    var isXiaomi2s = sUserAgent.match(/mix\s/i) == "mix ";
    var isRedmi = sUserAgent.match(/redmi/i) == "redmi";
    var isSamsung = sUserAgent.match(/sm-/i) == "sm-";

    if (isIphone) {
        return 'iphone';
    } else if (isHuawei || isHonor) {
        return 'huawei';
    } else if (isOppo || isOppoR15) {
        return 'oppo';
    } else if (isVivo) {
        return 'vivo';
    } else if (isXiaomi || isRedmi || isXiaomi2s) {
        return 'xiaomi';
    } else if (isSamsung) {
        return 'samsung';
    } else {
        return 'default';
    }
}