目前我得到客户端的IP方法是这么定义的,但100个IP记录中,还有那么几个IP获取不了。想了半天没找到具体原因,各大帮忙想想?
public static String getIpAddr(HttpServletRequest request) throws UnknownHostException {
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(ip != null && ip.equalsIgnoreCase("0:0:0:0:0:0:0:1"))
{
ip =InetAddress.getLocalHost().getHostAddress().toString();
}
return ip;
}