利用js实现不同域名显示不同备案的方法

  <footer>
    <a href="https://beian.miit.gov.cn"  id="miit"  style="color: #000000" target="_blank">湘ICP备19003460号-1</a>
    <a href="https://www.beian.gov.cn/portal/registersystemInfo?recordcode=44011102002930" id="beian" style="color: #000000" target="_blank" >粤公网安备44011102002930号</a>
    <p>
      <script>
        const domain = location.host;
        const config = {
          'czmz.top': {
            miit: '湘ICP备19003460号-1',
            beian: '粤公网安备44011102002930号',
            code: '44011102002930',
          },
          'czidc.vip': {
            miit: '湘ICP备19003460号-2',
            beian: '粤公网安备44011102003081号',
            code: '44011102003081',
          },
          '0735.pro': {
            miit: '湘ICP备19003460号-3',
            beian: '粤公网安备44011102003089号',
            code: '44011102003089',
          },
          'centos.club': {
            miit: '湘ICP备19003460号-4',
            beian: '粤公网安备44011102003201号',
            code: '44011102003201',
          },
        };

        for (const key in config) {
          const pattern = new RegExp(key);
          if (pattern.test(domain)) {
            const item = config[key];
            document.getElementById('miit').innerHTML = item.miit;
            document.getElementById('beian').innerHTML = item.beian;
            document.getElementById('beian').href = 'https://www.beian.gov.cn/portal/registersystemInfo?recordcode=' + item.code;
          }
        }
      </script>
    </p>
  </footer>