public class AgentUserKit { private static String pattern = "^Mozilla/\\d\\.\\d\\s+\\(+.+?\\)"; private static String pattern2 = "\\(+.+?\\)"; private static Pattern r = Pattern.compile(pattern); private static Pattern r2 = Pattern.compile(pattern2); public static String getDeviceInfo(HttpServletRequest request) { String userAgent = request.getHeader("User-Agent"); if (userAgent==null){ return null; } return getDeviceInfo(userAgent); } private static String getDeviceInfo(String userAgent) { String result=null; try { Matcher m = r.matcher(userAgent); if (m.find()) { result = m.group(0); } Matcher m2 = r2.matcher(result); if (m2.find()) { result = m2.group(0); } result = result.replace("(", ""); result = result.replace(")", ""); } catch (Exception e) { return userAgent; } return filterDeviceInfo(result); } public static String filterDeviceInfo(String result) { if (StringUtils.isEmpty(result)) { return null; } result = result.replace(" U;", ""); result = result.replace(" zh-cn;", ""); return result; } }
原文地址:https://www.cnblogs.com/gabriel-y/p/12057125.html
时间: 2024-11-10 10:28:45