자바, 이 컴퓨터 내 네트워크 ip, 외부 네트워크 ip 가 져 오기
1716 단어 종합 하 다
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import org.apache.commons.lang3.StringUtils;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.URL;
/**
* ip
*
* @author lijinzhou
* @since 2019/11/12 17:00
*/
public class IpUtil {
/**
* IP ( )
*
* @author lijinzhou
* @since 2019/11/12 16:39
*/
public static String getHostAddress() {
try {
InetAddress address = InetAddress.getLocalHost();
return address.getHostAddress();
} catch (Exception e) {
return " ";
}
}
/**
* ip
*
* @author lijinzhou
* @since 2019/11/12 17:23
*/
public static String getPublicIp() {
try {
String ip = "http://pv.sohu.com/cityjson?ie=utf-8";
URL url = new URL(ip);
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
StringBuilder stringBuilder = new StringBuilder();
String read;
while ((read = in.readLine()) != null) {
stringBuilder.append(read);
}
// stringBuilder
String string = StringUtils.split(stringBuilder.toString(), "=")[1];
JSONObject jsonObject = JSONUtil.parseObj(string);
return jsonObject.get("cip").toString();
} catch (Exception e) {
return " ";
}
}
}