正文
【java】获取客户端访问的公网ip和归属地
小程序：扫一扫查出行【扫一扫了解最新限行尾号】
复制小程序
import com.alibaba.druid.support.json.JSONUtils;
import org.thymeleaf.util.StringUtils; import javax.servlet.http.HttpServletRequest;
import java.io.*;
import java.net.*;
import java.util.Map; /**
* Created with IntelliJ IDEA.
* User: xiaostudy
* Date: 2019/7/18
* Time: 19:58
* Description: No Description
*/
public class IpUtil { private static String urlStr = "http://ip.taobao.com/service/getIpInfo2.php"; public static String getIpAddr(HttpServletRequest request) {
String ipAddress;
try {
ipAddress = request.getHeader("x-forwarded-for");
System.out.println("ipAddress:" + ipAddress);
if (null == ipAddress || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("Proxy-Client-IP");
}
if (null == ipAddress || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("WL-Proxy-Client-IP");
}
if (null == ipAddress || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("HTTP_CLIENT_IP");
}
if (null == ipAddress || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (null == ipAddress || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("X-Real-IP");
}
if (null == ipAddress || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getRemoteAddr();
if ("127.0.0.1".equals(ipAddress) || "0:0:0:0:0:0:0:1".equals(ipAddress)) {
// 根据网卡取本机配置的IP
InetAddress inet = null;
try {
inet = InetAddress.getLocalHost();
} catch (UnknownHostException e) {
e.printStackTrace();
}
ipAddress = inet.getHostAddress();
}
}
// 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割
if (ipAddress != null && ipAddress.length() > 15) {
if (ipAddress.indexOf(',') > 0) {
ipAddress = ipAddress.substring(0, ipAddress.indexOf(','));
}
}
} catch (Exception e) {
ipAddress = "";
} return ipAddress;
} /**
* 通过ip获取归属地
*
* @param ip
* @return
*/
public static String ipToBelonging(String ip) {
System.out.println(getAddresses("ip=myip"));
return getAddresses("ip=" + ip);
} private static String getAddresses(String content) {
String returnStr = getResult(urlStr, content, "utf-8");
System.out.println(returnStr);
if(!StringUtils.isEmpty(returnStr)) {
Object parse = JSONUtils.parse(returnStr);
if(parse instanceof Map) {
Map result = (Map) parse;
Object code = result.get("code");
Object data = result.get("data");
if(null == code || !"0".equals(code.toString()) || null == data) {
return "ip解析真实地址出错";
} else if(data instanceof Map) {
Map map = (Map) data;
String country = map.get("country").toString();
if("XX".equals(country)) {
return "内网地址";
}
String isp = map.get("isp").toString() + "-";
if("内网IP-".equals(isp)) {
isp = "";
}
String region = map.get("region").toString();
if("XX".equals(region)) {
region = "";
}
String city = map.get("city").toString();
if("XX".equals(city)) {
city = "";
}
String county = map.get("county").toString();
if("XX".equals(county)) {
county = "";
}
return isp + country + region + city + county;
} else {
return "ip解析真实地址出错";
}
}
}
return returnStr;
} /**
* @param urlStr 请求的地址
* @param content 请求的参数 格式为：name=xxx&pwd=xxx
* @param encoding 服务器端请求编码。如GBK,UTF-8等
* @return
*/
private static String getResult(String urlStr, String content, String encoding) {
if(null == content) {
content = "";
}
if(StringUtils.isEmpty(encoding)) {
encoding = "utf-8";
}
URL url;
HttpURLConnection connection = null;
try {
url = new URL(urlStr);
connection = (HttpURLConnection) url.openConnection(); // 新建连接实例
connection.setConnectTimeout(2000); // 设置连接超时时间，单位毫秒
connection.setReadTimeout(2000); // 设置读取数据超时时间，单位毫秒
connection.setDoOutput(true); // 是否打开输出流 true|false
connection.setDoInput(true); // 是否打开输入流true|false
connection.setRequestMethod("POST"); // 提交方法POST|GET
connection.setUseCaches(false); // 是否缓存true|false
connection.connect(); // 打开连接端口
DataOutputStream out = new DataOutputStream(connection.getOutputStream());// 打开输出流往对端服务器写数据
out.writeBytes(content); // 写数据,也就是提交你的表单 name=xxx&pwd=xxx
out.flush(); // 刷新
out.close(); // 关闭输出流
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), encoding));// 往对端写完数据对端服务器返回数据
// ,以BufferedReader流来读取
StringBuffer buffer = new StringBuffer();
String line = "";
while ((line = reader.readLine()) != null) {
buffer.append(line);
}
reader.close();
return buffer.toString();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (connection != null) {
connection.disconnect(); // 关闭连接
}
}
return null;
}
}
