用getAddress步骤获得IP地址

用getAddress方法获得IP地址
getAddress方法和getHostAddress类似，它们的唯一区别是getHostAddress方法返回的是字符串形式的IP地址，而getAddress方法返回的是byte数组形式的IP地址。getAddress方法的定义如下：

引自：http://www.blogjava.net/nokiaguy/archive/2009/04/21/266732.html    private String getRemoteAddr(HttpServletRequest request) {        String remoteIp = request.getHeader("X-Real-IP"); //nginx反向代理        if (StringUtils.hasText(remoteIp)) {            return remoteIp;        } else {            remoteIp = request.getHeader("x-forwarded-for");//apache反射代理            if (StringUtils.hasText(remoteIp)) {                String[] ips = remoteIp.split(",");                for (String ip : ips) {                    if (!"null".equalsIgnoreCase(ip)) {                        return ip;                    }                }            }            return request.getRemoteAddr();        }    }