java如何獲取使用者端真正的ip地址

獲得使用者端真實IP地址的方法一

• 01

  public String getRemortIP(HttpServletRequest request) {
  if (request.getHeader("x-forwarded-for") == null) {
  return request.getRemoteAddr();
  }
  return request.getHeader("x-forwarded-for");
  }
• End

• 01

獲得使用者端真實IP地址的方法二

• 01

  public 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();
  }
  return ip;
  }
• End