获取客户端使用的ip

 1 //获取客户端真实注册地址
 2     public String getRemoteHost(HttpServletRequest request){
 3         String ip = request.getHeader("x-forwarded-for");
 4         if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)){
 5             ip = request.getHeader("Proxy-Client-IP");
 6         }
 7         if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)){
 8             ip = request.getHeader("WL-Proxy-Client-IP");
 9         }
10         if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)){
11             ip = request.getRemoteAddr();
12         }
13         return ip.equals("0:0:0:0:0:0:0:1")?"127.0.0.1":ip;
14     }