import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class AddressUtils {

    public static void main(String[] args) {
        try {
          AddressUtils addressUtils = new AddressUtils();
          String ip = "116.226.214.246"
 
;
          String address = addressUtils.getAddress("ip=" + ip, "utf-8");
          String country = address.substring(address.indexOf("country")+10, address.indexOf("area")-3);
          String city = address.substring(address.indexOf("city")+7, address.indexOf("county")-3);
          System.out.println(country+"•"
 
+city);
        } catch (Exception e) {
          e.printStackTrace();
        }
    }

    public String getAddress(String params, String encoding){
        HttpURLConnection connection = null;// 新建連線例項
                try {
                    URL url = new URL("http://ip.taobao.com/service/getIpInfo.php"
 
);
                    connection = (HttpURLConnection)url.openConnection();
                    connection.setConnectTimeout(5000);// 設定連線超時時間，單位毫秒
                    connection.setReadTimeout(5000);// 設定讀取資料超時時間，單位毫秒
                    connection.setDoInput(true);// 是否開啟輸出流 true|false
                    connection.setDoOutput(true);// 是否開啟輸入流true|false
                    connection.setRequestMethod("POST");// 提交方法POST|GET
                    connection.setUseCaches(false);// 是否快取true|false
                    connection.connect();// 開啟連線埠
                    DataOutputStream out = new DataOutputStream(connection.getOutputStream());
                    out.writeBytes(params); out.flush(); out.close();
                    BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(),encoding));
                    StringBuffer buffer = new StringBuffer();
                    for (String line = "";(line = reader.readLine())!= null;) buffer.append(line);
                    reader.close();
                    return buffer.toString();
                } catch (Exception e) {
                    e.printStackTrace();
                }finally{
                    connection.disconnect();// 關閉連線
                }
        return null;
    }
}