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368 lines
13 KiB
368 lines
13 KiB
2 years ago
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package com.ynxbd.common.helper.common;
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import org.apache.commons.lang3.StringUtils;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.*;
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import java.net.*;
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import java.nio.charset.StandardCharsets;
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import java.util.Enumeration;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* @Author wsq
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* @Date 2021/2/8 14:53
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* @Copyright @ 2020 云南新八达科技有限公司 All rights reserved.
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*/
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public class HttpHelper {
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/**
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* 获取访问者真实IP地址
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*/
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public static String getVisitorIP(HttpServletRequest request) {
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String ip = request.getHeader("X-Real-IP");
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if (!StringUtils.isBlank(ip) && !"unknown".equalsIgnoreCase(ip)) {
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if (ip.contains("../") || ip.contains("..\\")) {
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return "";
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}
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return ip;
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}
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ip = request.getHeader("X-Forwarded-For");
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if (!StringUtils.isBlank(ip) && !"unknown".equalsIgnoreCase(ip)) {
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// 多次反向代理后会有多个IP值，第一个为真实IP。
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int index = ip.indexOf(',');
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if (index != -1) {
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ip = ip.substring(0, index);
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}
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if (ip.contains("../") || ip.contains("..\\")) {
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return "";
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}
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return ip;
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} else {
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ip = request.getRemoteAddr();
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if (ip.contains("../") || ip.contains("..\\")) {
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return "";
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}
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if (ip.equals("0:0:0:0:0:0:0:1")) {
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ip = "127.0.0.1";
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}
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return ip;
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}
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}
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public static String getIpAddress(HttpServletRequest request) {
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String remoteAddress = request.getRemoteAddr();
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String forwarded = request.getHeader("X-Forwarded-For");
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String realIp = request.getHeader("X-Real-IP");
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String ip;
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if (realIp == null) {
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if (forwarded == null) {
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ip = remoteAddress;
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} else {
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ip = remoteAddress + "/" + forwarded.split(",")[0];
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}
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} else {
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if (realIp.equals(forwarded)) {
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ip = realIp;
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} else {
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if (forwarded != null) {
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forwarded = forwarded.split(",")[0];
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}
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ip = forwarded == null ? realIp : realIp + "/" + forwarded;
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}
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}
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return ip;
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}
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/**
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* 获取本机的内网ip地址
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*/
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public static String getInIP() {
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String resultIp = null;
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try {
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// 外网IP
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String outIp = null;
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// 本地IP，如果没有配置外网IP则返回它
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String localhostIp = null;
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Enumeration<NetworkInterface> netInterfaces;
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netInterfaces = NetworkInterface.getNetworkInterfaces();
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InetAddress ip;
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boolean flag = false; // 是否找到外网IP
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while (netInterfaces.hasMoreElements() && !flag) {
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NetworkInterface ni = netInterfaces.nextElement();
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Enumeration<InetAddress> address = ni.getInetAddresses();
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while (address.hasMoreElements()) {
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ip = address.nextElement();
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if (!ip.isSiteLocalAddress() && !ip.isLoopbackAddress() && !ip.getHostAddress().contains(":")) {// 外网IP
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outIp = ip.getHostAddress();
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flag = true;
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break;
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} else if (ip.isSiteLocalAddress() && !ip.isLoopbackAddress() && !ip.getHostAddress().contains(":")) {// 内网IP
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localhostIp = ip.getHostAddress();
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}
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}
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}
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if (outIp != null && !"".equals(outIp)) {
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resultIp = outIp;
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} else {
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resultIp = localhostIp;
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}
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} catch (Exception e) {
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ErrorHelper.println(e);
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}
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return resultIp;
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}
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/**
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* 获取本机的外网ip地址
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*/
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public static String getOutIP() {
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String ip = "";
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StringBuilder result = new StringBuilder();
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HttpURLConnection urlConnection = null;
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BufferedReader in = null;
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try {
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URL url = new URL("http://ip.chinaz.com");
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urlConnection = (HttpURLConnection) url.openConnection();
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in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(), StandardCharsets.UTF_8));
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String read;
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while ((read = in.readLine()) != null) {
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result.append(read).append("\r\n");
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}
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} catch (IOException e) {
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ErrorHelper.println(e);
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} finally {
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try {
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if (urlConnection != null) {
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urlConnection.disconnect();
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}
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if (in != null) {
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in.close();
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}
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} catch (IOException e) {
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ErrorHelper.println(e);
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}
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}
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Pattern p = Pattern.compile("<dd class=\"fz24\">(.*?)</dd>");
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Matcher m = p.matcher(result.toString());
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if (m.find()) {
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ip = m.group(1);
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}
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return ip;
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}
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/**
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* 解析ip地址
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* <p>
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* 设置访问地址为http://ip.taobao.com/service/getIpInfo.php
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* 设置请求参数为ip=[已经获得的ip地址]
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* 设置解码方式为UTF-8
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*
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* @param content 请求的参数 格式为：ip=192.168.1.101
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* @param encoding 服务器端请求编码。如GBK,UTF-8等
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*/
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public static String getAddresses(String content, String encoding) throws UnsupportedEncodingException {
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//设置访问地址
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String urlStr = "http://ip.taobao.com/service/getIpInfo.php";
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// 从http://whois.pconline.com.cn取得IP所在的省市区信息
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String returnStr = getResult(urlStr, content, encoding);
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if (returnStr != null) {
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// 处理返回的省市区信息
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// System.out.println(returnStr);
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String[] temp = returnStr.split(",");
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if (temp.length < 3) {
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return "0";// 无效IP，局域网测试
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}
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String country = ""; // 国家
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String area = ""; // 地区
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String region = ""; // 省份
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String city = ""; // 市区
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String county = ""; // 地区
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String isp = ""; // ISP公司
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for (int i = 0; i < temp.length; i++) {
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switch (i) {
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case 2:
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country = (temp[i].split(":"))[1].replaceAll("\"", "");
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country = URLDecoder.decode(country, encoding);// 国家
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break;
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case 3:
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area = (temp[i].split(":"))[1].replaceAll("\"", "");
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area = URLDecoder.decode(area, encoding);// 地区
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break;
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case 4:
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region = (temp[i].split(":"))[1].replaceAll("\"", "");
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region = URLDecoder.decode(region, encoding);// 省份
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break;
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case 5:
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city = (temp[i].split(":"))[1].replaceAll("\"", "");
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city = URLDecoder.decode(city, encoding);// 市区
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if ("内网IP".equals(city)) {
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return "地址为：内网IP";
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}
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break;
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case 6:
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county = (temp[i].split(":"))[1].replaceAll("\"", "");
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county = URLDecoder.decode(county, encoding);// 地区
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break;
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case 7:
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isp = (temp[i].split(":"))[1].replaceAll("\"", "");
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isp = URLDecoder.decode(isp, encoding); // ISP公司
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break;
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}
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}
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return "地址为：" + country + "," + region + "省," + city + "市," + county + "," + "ISP公司：" + isp;
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}
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return null;
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}
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/**
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* 获取本机的外网ip地址
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*
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* @return 本机的外网ip地址
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*/
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public String getV4IP() {
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String ip = "";
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String china = "http://ip.chinaz.com";
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StringBuilder inputLine = new StringBuilder();
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HttpURLConnection urlConnection = null;
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BufferedReader in = null;
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try {
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URL url = new URL(china);
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urlConnection = (HttpURLConnection) url.openConnection();
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String read;
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in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(), StandardCharsets.UTF_8));
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while ((read = in.readLine()) != null) {
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inputLine.append(read).append("\r\n");
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}
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//System.out.println(inputLine.toString());
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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try {
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if (in != null) in.close();
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if (urlConnection != null) urlConnection.disconnect();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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Pattern p = Pattern.compile("<dd class=\"fz24\">(.*?)</dd>");
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Matcher m = p.matcher(inputLine.toString());
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if (m.find()) {
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ip = m.group(1);
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//System.out.println(ip);
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}
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return ip;
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}
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/**
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* 访问目标地址并获取返回值
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*
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* @param urlStr 请求的地址
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* @param content 请求的参数 格式为：ip=192.168.1.101
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* @param encoding 服务器端请求编码。如GBK,UTF-8等
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*/
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public static String getResult(String urlStr, String content, String encoding) {
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HttpURLConnection connection = null;
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try {
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URL url = new URL(urlStr);
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connection = (HttpURLConnection) url.openConnection();// 新建连接实例
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connection.setConnectTimeout(2000); // 设置连接超时时间，单位毫秒
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connection.setReadTimeout(33000); // 设置读取数据超时时间，单位毫秒
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connection.setDoOutput(true); // 是否打开输出流 true|false
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connection.setDoInput(true); // 是否打开输入流true|false
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connection.setRequestMethod("POST");// 提交方法POST|GET
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connection.setUseCaches(false); // 是否缓存true|false
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connection.connect(); // 打开连接端口
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DataOutputStream out = new DataOutputStream(connection.getOutputStream()); // 打开输出流往对端服务器写数据
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out.writeBytes(content); // 写数据,也就是提交你的表单 name=xxx&pwd=xxx
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out.flush(); // 刷新
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out.close(); // 关闭输出流
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BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), encoding));
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// 往对端写完数据对端服务器返回数据
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// 以BufferedReader流来读取
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StringBuilder buffer = new StringBuilder();
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String line;
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while ((line = reader.readLine()) != null) {
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buffer.append(line);
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}
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reader.close();
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return buffer.toString();
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} catch (IOException e) {
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ErrorHelper.println(e);
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} finally {
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if (connection != null) {
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connection.disconnect(); // 关闭连接
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}
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}
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return null;
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}
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/**
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* 弹框响应
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*
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* @param response 响应流
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* @param data 显示内容
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*/
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public static void outRespAlert(HttpServletResponse response, String data) {
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response.setContentType("text/html; charset=UTF-8");
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try {
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PrintWriter out = response.getWriter();
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String returnVal = "";
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returnVal += "<html>";
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returnVal += "<head><title>提示</title></head>";
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returnVal += "<body background-color=\"#fff\">";
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returnVal += "<script msgInterface=\"text/javascript\">";
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returnVal += "alert(\"" + data + "\");";
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returnVal += "</script>";
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returnVal += "</body></html>";
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out.println(returnVal);
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} catch (IOException ex) {
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ex.printStackTrace();
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}
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}
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// /**
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// * 响应success字符串
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// *
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// * @param resp 响应流
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// */
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// public static void respSuccess(HttpServletResponse resp) {
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// outRespBytes(resp, "success");
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// }
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//
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// /**
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// * 响应字节流
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// *
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// * @param resp 响应流
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// * @param respData 响应数据
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// */
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// public static void outRespBytes(HttpServletResponse resp, String respData) {
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// try (ServletOutputStream out = resp.getOutputStream()) {
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// if (respData == null || "".equals(respData)) {
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// respData = "success";
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// }
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// out.write(respData.getBytes(StandardCharsets.UTF_8));
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// out.flush();
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// } catch (Exception e) {
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// ErrorHelper.println(e);
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// }
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// }
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}
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