从HttpServletRequest获取IP

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   public static String getClientIp(HttpServletRequest request) {
        String address = request.getHeader("X-Real-IP");
         if (org.apache.commons.lang3.StringUtils.isNotBlank(address)) {
            return address;
        }

        address = request.getHeader("X-Forwarded-For");
         if (org.apache.commons.lang3.StringUtils.isNotBlank(address)) {
            return address;
        }

        address = request.getRemoteAddr();
        if (org.apache.commons.lang3.StringUtils.isNotBlank(address)) {
            return address;
        }
        return request.getRemoteHost();
    }
    

从HttpServletRequest获取IP

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原文地址：http://my.oschina.net/u/727394/blog/493504