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语言: Java
分类: 常用工具包
最后更新于 2018-12-09 10:36
AddressUtils.java
原始数据 复制代码
package com.laiyw.monitor.utils;
import javax.servlet.http.HttpServletRequest;
import java.net.*;
import java.util.Enumeration;
public class AddressUtils {
public static String getServerIp() {
try {
if (System.getProperties().getProperty("os.name").toLowerCase().startsWith("win")) {
return InetAddress.getLocalHost().getHostAddress();
} else {
return getIpByEthNum("eth0"); // 兼容Linux
}
} catch (Exception e) {
e.printStackTrace();
return "*Error*";
}
}
private static String getIpByEthNum(String ethNum) throws SocketException {
Enumeration allNetInterfaces = NetworkInterface.getNetworkInterfaces();
InetAddress ip;
while (allNetInterfaces.hasMoreElements()) {
NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement();
if (ethNum.equals(netInterface.getName())) {
Enumeration addresses = netInterface.getInetAddresses();
while (addresses.hasMoreElements()) {
ip = (InetAddress) addresses.nextElement();
if (ip != null && ip instanceof Inet4Address) {
return ip.getHostAddress();
}
}
}
}
return "*";
}
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")) {
// 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"***.***.***.***".length()= 15
if (ipAddress != null && ipAddress.length() > 15) {
if (ipAddress.indexOf(",") > 0) {
ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
}
}
return ipAddress;
}
}

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