ip地址

 

 

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();
        }

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