JAVA獲取請求的真實ip地址

JAVA獲取請求的真實ip地址

地址:http://bianmaren.com/code/detail/6

/**
 *
 * @Title: getIpAddr 
 * @author dengwenbing 
 * @Description: 獲取請求的真實ip地址
 * @date: 2015年2月27日
 *
 * @param request
 * @return
 */
public static String getIpAddr(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; 
}

/**
*
 * @Title: getIpAddr 
 * @author dengwenbing 
 * @Description: 獲取請求的真實ip地址
 * @date: 2015年2月27日
*
 * @param request
 * @return
*/
public static String getIpAddr(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(); 
}