可参考connection.getAddressByName方法获取域名对应的IP地址:https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-net-connection-V5\#getaddressbyname
可参考connection.getAddressByName方法获取域名对应的IP地址:https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-net-connection-V5\#getaddressbyname