get_ip_by_domain function
Implementation
Future<String> get_ip_by_domain(String domain) async {
String ip_str = "";
try {
// 使用 lookup 方法解析域名
List<InternetAddress> addresses = await InternetAddress.lookup(domain);
print('IP addresses for $domain:');
addresses.forEach((address) {
ip_str = address.address;
});
} catch (e) {
print('Error looking up $domain: $e');
}
return ip_str;
}