java 獲取服務(wù)器真實(shí)IP的實(shí)例
java 獲取服務(wù)器真實(shí)IP的實(shí)例
前言:
根據(jù)操作系統(tǒng)的不同,獲取的結(jié)果不同,故需要區(qū)分系統(tǒng),分別獲取
實(shí)現(xiàn)代碼:
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.Inet4Address; import java.net.InetAddress; import java.net.InterfaceAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.net.URL; import java.net.URLConnection; import java.net.URLEncoder; import java.net.UnknownHostException; import java.util.ArrayList; import java.util.Enumeration; import java.util.Iterator; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import org.apache.http.HttpEntity; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; import org.springframework.http.HttpMethod; /** * 常用工具類 * * @author 席紅蕾 * @date 2016-09-27 * @version 1.0 */ public class WebToolUtils { /** * 獲取本地IP地址 * * @throws SocketException */ public static String getLocalIP() throws UnknownHostException, SocketException { if (isWindowsOS()) { return InetAddress.getLocalHost().getHostAddress(); } else { return getLinuxLocalIp(); } } /** * 判斷操作系統(tǒng)是否是Windows * * @return */ public static boolean isWindowsOS() { boolean isWindowsOS = false; String osName = System.getProperty("os.name"); if (osName.toLowerCase().indexOf("windows") > -1) { isWindowsOS = true; } return isWindowsOS; } /** * 獲取本地Host名稱 */ public static String getLocalHostName() throws UnknownHostException { return InetAddress.getLocalHost().getHostName(); } /** * 獲取Linux下的IP地址 * * @return IP地址 * @throws SocketException */ private static String getLinuxLocalIp() throws SocketException { String ip = ""; try { for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) { NetworkInterface intf = en.nextElement(); String name = intf.getName(); if (!name.contains("docker") && !name.contains("lo")) { for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) { InetAddress inetAddress = enumIpAddr.nextElement(); if (!inetAddress.isLoopbackAddress()) { String ipaddress = inetAddress.getHostAddress().toString(); if (!ipaddress.contains("::") && !ipaddress.contains("0:0:") && !ipaddress.contains("fe80")) { ip = ipaddress; System.out.println(ipaddress); } } } } } } catch (SocketException ex) { System.out.println("獲取ip地址異常"); ip = "127.0.0.1"; ex.printStackTrace(); } System.out.println("IP:"+ip); return ip; } /** * 獲取用戶真實(shí)IP地址,不使用request.getRemoteAddr();的原因是有可能用戶使用了代理軟件方式避免真實(shí)IP地址, * * 可是,如果通過了多級(jí)反向代理的話,X-Forwarded-For的值并不止一個(gè),而是一串IP值,究竟哪個(gè)才是真正的用戶端的真實(shí)IP呢? * 答案是取X-Forwarded-For中第一個(gè)非unknown的有效IP字符串。 * * 如:X-Forwarded-For:192.168.1.110, 192.168.1.120, 192.168.1.130, * 192.168.1.100 * * 用戶真實(shí)IP為: 192.168.1.110 * * @param request * @return */ public static String getIpAddress(HttpServletRequest request) { String ip = request.getHeader("x-forwarded-for"); if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("Proxy-Client-IP"); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("WL-Proxy-Client-IP"); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("HTTP_CLIENT_IP"); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("HTTP_X_FORWARDED_FOR"); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getRemoteAddr(); } return ip; } /** * 向指定URL發(fā)送GET方法的請(qǐng)求 * * @param url * 發(fā)送請(qǐng)求的URL * @param param * 請(qǐng)求參數(shù),請(qǐng)求參數(shù)應(yīng)該是 name1=value1&name2=value2 的形式。 * @return URL 所代表遠(yuǎn)程資源的響應(yīng)結(jié)果 */ // public static String sendGet(String url, String param) { // String result = ""; // BufferedReader in = null; // try { // String urlNameString = url + "?" + param; // URL realUrl = new URL(urlNameString); // // 打開和URL之間的連接 // URLConnection connection = realUrl.openConnection(); // // 設(shè)置通用的請(qǐng)求屬性 // connection.setRequestProperty("accept", "*/*"); // connection.setRequestProperty("connection", "Keep-Alive"); // connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; // MSIE 6.0; Windows NT 5.1;SV1)"); // // 建立實(shí)際的連接 // connection.connect(); // // 獲取所有響應(yīng)頭字段 // Map<String, List<String>> map = connection.getHeaderFields(); // // 遍歷所有的響應(yīng)頭字段 // for (String key : map.keySet()) { // System.out.println(key + "--->" + map.get(key)); // } // // 定義 BufferedReader輸入流來讀取URL的響應(yīng) // in = new BufferedReader(new // InputStreamReader(connection.getInputStream())); // String line; // while ((line = in.readLine()) != null) { // result += line; // } // } catch (Exception e) { // System.out.println("發(fā)送GET請(qǐng)求出現(xiàn)異常!" + e); // e.printStackTrace(); // } // // 使用finally塊來關(guān)閉輸入流 // finally { // try { // if (in != null) { // in.close(); // } // } catch (Exception e2) { // e2.printStackTrace(); // } // } // return result; // } /** * 向指定 URL 發(fā)送POST方法的請(qǐng)求 * * @param url * 發(fā)送請(qǐng)求的 URL * @param param * 請(qǐng)求參數(shù),請(qǐng)求參數(shù)應(yīng)該是 name1=value1&name2=value2 的形式。 * @return 所代表遠(yuǎn)程資源的響應(yīng)結(jié)果 */ public static void sendPost(String pathUrl, String name, String pwd, String phone, String content) { // PrintWriter out = null; // BufferedReader in = null; // String result = ""; // try { // URL realUrl = new URL(url); // // 打開和URL之間的連接 // URLConnection conn = realUrl.openConnection(); // // 設(shè)置通用的請(qǐng)求屬性 // conn.setRequestProperty("accept", "*/*"); // conn.setRequestProperty("connection", "Keep-Alive"); // conn.setRequestProperty("user-agent", // "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); // // 發(fā)送POST請(qǐng)求必須設(shè)置如下兩行 // conn.setDoOutput(true); // conn.setDoInput(true); // // 獲取URLConnection對(duì)象對(duì)應(yīng)的輸出流 // out = new PrintWriter(conn.getOutputStream()); // // 發(fā)送請(qǐng)求參數(shù) // out.print(param); // // flush輸出流的緩沖 // out.flush(); // // 定義BufferedReader輸入流來讀取URL的響應(yīng) // in = new BufferedReader( // new InputStreamReader(conn.getInputStream())); // String line; // while ((line = in.readLine()) != null) { // result += line; // } // } catch (Exception e) { // System.out.println("發(fā)送 POST 請(qǐng)求出現(xiàn)異常!"+e); // e.printStackTrace(); // } // //使用finally塊來關(guān)閉輸出流、輸入流 // finally{ // try{ // if(out!=null){ // out.close(); // } // if(in!=null){ // in.close(); // } // } // catch(IOException ex){ // ex.printStackTrace(); // } // } // return result; try { // 建立連接 URL url = new URL(pathUrl); HttpURLConnection httpConn = (HttpURLConnection) url.openConnection(); // //設(shè)置連接屬性 httpConn.setDoOutput(true);// 使用 URL 連接進(jìn)行輸出 httpConn.setDoInput(true);// 使用 URL 連接進(jìn)行輸入 httpConn.setUseCaches(false);// 忽略緩存 httpConn.setRequestMethod("POST");// 設(shè)置URL請(qǐng)求方法 String requestString = "客服端要以以流方式發(fā)送到服務(wù)端的數(shù)據(jù)..."; // 設(shè)置請(qǐng)求屬性 // 獲得數(shù)據(jù)字節(jié)數(shù)據(jù),請(qǐng)求數(shù)據(jù)流的編碼,必須和下面服務(wù)器端處理請(qǐng)求流的編碼一致 byte[] requestStringBytes = requestString.getBytes("utf-8"); httpConn.setRequestProperty("Content-length", "" + requestStringBytes.length); httpConn.setRequestProperty("Content-Type", " application/x-www-form-urlencoded"); httpConn.setRequestProperty("Connection", "Keep-Alive");// 維持長(zhǎng)連接 httpConn.setRequestProperty("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"); httpConn.setRequestProperty("Accept-Encoding", "gzip, deflate"); httpConn.setRequestProperty("Accept-Language", "zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3"); httpConn.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:49.0) Gecko/20100101 Firefox/49.0"); httpConn.setRequestProperty("Upgrade-Insecure-Requests", "1"); httpConn.setRequestProperty("account", name); httpConn.setRequestProperty("passwd", pwd); httpConn.setRequestProperty("phone", phone); httpConn.setRequestProperty("content", content); // 建立輸出流,并寫入數(shù)據(jù) OutputStream outputStream = httpConn.getOutputStream(); outputStream.write(requestStringBytes); outputStream.close(); // 獲得響應(yīng)狀態(tài) int responseCode = httpConn.getResponseCode(); if (HttpURLConnection.HTTP_OK == responseCode) {// 連接成功 // 當(dāng)正確響應(yīng)時(shí)處理數(shù)據(jù) StringBuffer sb = new StringBuffer(); String readLine; BufferedReader responseReader; // 處理響應(yīng)流,必須與服務(wù)器響應(yīng)流輸出的編碼一致 responseReader = new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "utf-8")); while ((readLine = responseReader.readLine()) != null) { sb.append(readLine).append("\n"); } responseReader.close(); } } catch (Exception ex) { ex.printStackTrace(); } } /** * 執(zhí)行一個(gè)HTTP POST請(qǐng)求,返回請(qǐng)求響應(yīng)的HTML * * @param url * 請(qǐng)求的URL地址 * @param params * 請(qǐng)求的查詢參數(shù),可以為null * @return 返回請(qǐng)求響應(yīng)的HTML */ public static void doPost(String url, String name, String pwd, String phone, String content) { // 創(chuàng)建默認(rèn)的httpClient實(shí)例. CloseableHttpClient httpclient = HttpClients.createDefault(); // 創(chuàng)建httppost HttpPost httppost = new HttpPost(url); // 創(chuàng)建參數(shù)隊(duì)列 List<NameValuePair> formparams = new ArrayList<NameValuePair>(); formparams.add(new BasicNameValuePair("account", name)); formparams.add(new BasicNameValuePair("passwd", pwd)); formparams.add(new BasicNameValuePair("phone", phone)); formparams.add(new BasicNameValuePair("content", content)); UrlEncodedFormEntity uefEntity; try { uefEntity = new UrlEncodedFormEntity(formparams, "UTF-8"); httppost.setEntity(uefEntity); System.out.println("executing request " + httppost.getURI()); CloseableHttpResponse response = httpclient.execute(httppost); try { HttpEntity entity = response.getEntity(); if (entity != null) { System.out.println("--------------------------------------"); System.out.println("Response content: " + EntityUtils.toString(entity, "UTF-8")); System.out.println("--------------------------------------"); } } finally { response.close(); } } catch (Exception e) { e.printStackTrace(); } finally { // 關(guān)閉連接,釋放資源 try { httpclient.close(); } catch (IOException e) { e.printStackTrace(); } } } }
以上就是java 獲取服務(wù)去的IP的實(shí)例,如有疑問請(qǐng)留言或者到本站社區(qū)交流討論,感謝閱讀,希望能幫助到大家,謝謝大家對(duì)本站的支持!
相關(guān)文章
詳解Spring依賴注入的三種方式以及優(yōu)缺點(diǎn)
IoC?和?DI?是?Spring?中最重要的兩個(gè)概念,其中?IoC(Inversion?of?Control)為控制反轉(zhuǎn)的思想,而?DI(Dependency?Injection)依賴注入為其(IoC)具體實(shí)現(xiàn)。那么?DI?實(shí)現(xiàn)依賴注入的方式有幾種?這些注入方式又有什么不同?本文就來和大家一起詳細(xì)聊聊2022-08-08Java 實(shí)戰(zhàn)項(xiàng)目錘煉之網(wǎng)上商城系統(tǒng)的實(shí)現(xiàn)流程
讀萬卷書不如行萬里路,只學(xué)書上的理論是遠(yuǎn)遠(yuǎn)不夠的,只有在實(shí)戰(zhàn)中才能獲得能力的提升,本篇文章手把手帶你用Java+jsp+servlet+mysql+ajax實(shí)現(xiàn)一個(gè)網(wǎng)上商城系統(tǒng),大家可以在過程中查缺補(bǔ)漏,提升水平2021-11-11SpringBoot 自動(dòng)掃描第三方包及spring.factories失效的問題解決
這篇文章主要介紹了SpringBoot 自動(dòng)掃描第三方包及spring.factories失效的問題,本文給大家分享最新解決方法,需要的朋友可以參考下2023-05-05Java硬幣翻轉(zhuǎn)倍數(shù)遞增試算實(shí)例
這篇文章主要介紹了Java硬幣翻轉(zhuǎn)倍數(shù)遞增試算實(shí)例,有需要的朋友可以參考一下2013-12-12AntDesign多環(huán)境配置啟動(dòng)過程詳解
這篇文章主要為大家介紹了AntDesign多環(huán)境配置啟動(dòng)過程詳解,有需要的朋友可以借鑒參考下,希望能夠有所幫助,祝大家多多進(jìn)步,早日升職加薪2023-11-11