IpAddressUtil.java
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package com.subsidy.util;
import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.URL;
import java.net.UnknownHostException;
public class IpAddressUtil {
/**
* 返回客户端ip
*/
public static String getIpAddress(HttpServletRequest request) {
String ipAddress = request.getHeader("x-forwarded-for");
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("WL-Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getRemoteAddr();
if (ipAddress.equals("127.0.0.1") || ipAddress.equals("0:0:0:0:0:0:0:1")) {
InetAddress inet = null;
try {
inet = InetAddress.getLocalHost();
} catch (UnknownHostException e) {
e.printStackTrace();
}
ipAddress = inet.getHostAddress();
}
}
if (ipAddress != null && ipAddress.length() > 15) {
if (ipAddress.indexOf(",") > 0) {
ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
}
}
return ipAddress;
}
/**
* @Description：获取客户端外网ip
* @Author：zrt
* @Date：2019/6/13 11:23
**/
public static String getPublicIp() {
try {
String path = "http://subsidy.youkehulian.cn/";// 要获得html页面内容的地址
URL url = new URL(path);// 创建url对象
HttpURLConnection conn = (HttpURLConnection) url.openConnection();// 打开连接
conn.setRequestProperty("contentType", "GBK"); // 设置url中文参数编码
conn.setConnectTimeout(5 * 1000);// 请求的时间
conn.setRequestMethod("GET");// 请求方式
InputStream inStream = conn.getInputStream();
// readLesoSysXML(inStream);
BufferedReader in = new BufferedReader(new InputStreamReader(
inStream, "GBK"));
StringBuffer buffer = new StringBuffer();
String line = "";
// 读取获取到内容的最后一行,写入
while ((line = in.readLine()) != null) {
buffer.append(line);
}
String str = buffer.toString();
String ipString1 = str.substring(str.indexOf("["));
// 获取你的IP是中间的[182.149.82.50]内容
String ipsString2 = ipString1.substring(ipString1.indexOf("[") + 1,
ipString1.lastIndexOf("]"));
//获取当前IP地址所在地址
/* String ipsString3=ipString1.substring(ipString1.indexOf(": "),ipString1.lastIndexOf("</center>"));
System.err.println(ipsString3);*/
// 返回公网IP值
return ipsString2;
} catch (Exception e) {
System.out.println("获取公网IP连接超时");
return "连接超时";
}
}
}