获取ip

import javax.servlet.http.HttpServletRequest;

public class IpUtil {

 /**

  * 获取登录用户IP地址

  *

  * @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.getRemoteAddr();

  }

  if (ip.equals("0:0:0:0:0:0:0:1")) {

   ip = "本地";

  }

  return ip;

 }

}