java_获取访问者IP_JAVA_编程开发_程序员俱乐部

class="java">public String getIp(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();
	    if ("127.0.0.1".equals(ip) || "0:0:0:0:0:0:0:1".equals(ip)){
	        try {
	            ip= InetAddress.getLocalHost().getHostAddress();
	        }
	        catch (UnknownHostException e) {
	        	e.printStackTrace();
	        }
	    }
	return ip
}

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