日期:2014-05-16  浏览次数:20329 次

JSP获取客户端IP的方法


request.getRemoteAddr();



获得客户端真实IP地址的方法一:
 
 public String getRemortIP(HttpServletRequest request) {
  if (request.getHeader("x-forwarded-for") == null) {
  return request.getRemoteAddr();
  }
  return request.getHeader("x-forwarded-for");
  }

获得客户端真实IP地址的方法二:
 
 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;
  }