獲取客戶端請求的IP地址(JAVA)

獲取客戶端請求的IP地址(JAVA)

 

/**
     * 獲取客戶端請求終端地址
     * @param request  客戶端請求request
     * @return  終端ip地址
     */
public String getIpAddress(HttpServletRequest request) {
        String ip = request.getHeader("X-Forwarded-For");
        if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
            //多次反向代理后會有多個ip值，第一個ip才是真實ip
            int index = ip.indexOf(",");
            if (index != -1) {
                return ip.substring(0, index);
            } else {
                return ip;
            }
        }
        ip = request.getHeader("X-Real-IP");
        if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
            return ip;
        }
        return request.getRemoteAddr();
    }