獲取電腦IP
public static String getIpAddress(HttpServletRequest request) {
// 從X-Real-IP獲取真實ip
String ip = request.getHeader("X-Real-IP");
if (ip != null && ip.length() > 0 && !"unknown".equalsIgnoreCase(ip)) { return ip; }
// 從x-forwarded-for獲取真實ip
ip = request.getHeader("x-forwarded-for");
if (ip != null && ip.length() > 0 && !"unknown".equalsIgnoreCase(ip)) {
// 對於通過多個代理的情況,第一個IP為客戶端真實IP,多個IP按照','分割
int index = ip.indexOf(",");
if (index > 0) {
ip = ip.substring(0, ip.indexOf(","));
}
return ip;
}
ip = request.getHeader("Proxy-Client-IP");
if (ip != null && ip.length() > 0 && !"unknown".equalsIgnoreCase(ip)) { return ip; }
ip = request.getHeader("WL-Proxy-Client-IP");
if (ip != null && ip.length() > 0 && !"unknown".equalsIgnoreCase(ip)) { return ip; }
ip = request.getHeader("HTTP_CLIENT_IP");
if (ip != null && ip.length() > 0 && !"unknown".equalsIgnoreCase(ip)) { return ip; }
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
if (ip != null && ip.length() > 0 && !"unknown".equalsIgnoreCase(ip)) { return ip; }
ip = request.getRemoteAddr();
if ("127.0.0.1".equals(ip) || "0:0:0:0:0:0:0:1".equals(ip)) {
// 根據網絡卡取本機配置的IP
try {
ip = InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
// e.printStackTrace();
}
}
return ip;
}