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// 获取客户端ip public static String getClientIp(HttpServletRequest request) { 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(); } if (ip == null || ip.length() == 0 || ip.indexOf(":") > -1) { try { ip = InetAddress.getLocalHost().getHostAddress(); } catch (UnknownHostException e) { ip = null; } } return ip; }