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IpAddressUtil.java 3.35 KB
涂亚平 committed
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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";
        }
    }
}