var yqdf_icp = {
    "0353dongfang.cn": {
        "icp": "晋ICP备17009177号-1",
        "shichang": "9028ffb18345b4cc01838db3fe2a00ce"
    },
    "0353dongfang.com": {
        "icp": "晋ICP备17009177号-1",
        "shichang": "8a8480de5f72620a015f76c55219029e"
    },
    "0353fuke.cn": {
        "icp": "晋ICP备17009177号-1",
        "shichang": "9028ffb18345b4cc01838db669d100cf"
    },
    "0353fuke.com": {
        "icp": "晋ICP备17009177号-1",
        "shichang": "8a8480de5fd9252901602e62722b23a6"
    }
}


function getMainHost() {
    let key = `mh_${Math.random()}`;
    let keyR = new RegExp(`(^|;)\\s*${key}=12345`);
    let expiredTime = new Date(0);
    let domain = document.domain;
    let domainList = domain.split('.');

    let urlItems = [];
    urlItems.unshift(domainList.pop());
    while (domainList.length) {
        urlItems.unshift(domainList.pop());
        let mainHost = urlItems.join('.');
        let cookie = `${key}=${12345};domain=.${mainHost}`;

        document.cookie = cookie;

        //如果cookie存在，则说明域名合法
        if (keyR.test(document.cookie)) {
            document.cookie = `${cookie};expires=${expiredTime}`;
            return mainHost;
        }
    }
}
console.log(getMainHost())
 
    

    console.log(yqdf_icp[getMainHost()].icp)
    console.log(yqdf_icp[getMainHost()].shichang)
    document.write('<a href="https://beian.miit.gov.cn" rel="nofollow" target="_blank" style="color:#7d7b7b"> ' + yqdf_icp[getMainHost()].icp + '</a>&nbsp;');
        document.write('<br>');
        document.write('<script type="text/javascript" src="https://218.26.86.27:8067/scripts/businessLicense.js?id='+yqdf_icp[getMainHost()].shichang+'"></script>');