package com.ruoyi.common.utils.http;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import com.ruoyi.common.utils.StringUtils;
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import nl.basjes.parse.useragent.UserAgent;
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import nl.basjes.parse.useragent.UserAgentAnalyzer;
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/**
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* UserAgent解析工具类
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*
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* @author ruoyi
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*/
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public class UserAgentUtils
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{
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public static final String UNKNOWN = "";
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// 浏览器正则表达式模式
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private static final Pattern CHROME_PATTERN = Pattern.compile("Chrome/(\\d+)(?:\\.\\d+)*");
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private static final Pattern FIREFOX_PATTERN = Pattern.compile("Firefox/(\\d+)(?:\\.\\d+)*");
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private static final Pattern EDGE_PATTERN = Pattern.compile("Edg(?:e)?/(\\d+)(?:\\.\\d+)*");
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private static final Pattern SAFARI_PATTERN = Pattern.compile("Version/(\\d+)(?:\\.\\d+)*");
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private static final Pattern OPERA_PATTERN = Pattern.compile("Opera/(\\d+)(?:\\.\\d+)*");
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private static final Pattern IE_PATTERN = Pattern.compile("(?:MSIE |Trident/.*rv:)(\\d+)(?:\\.\\d+)*");
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private static final Pattern SAMSUNG_PATTERN = Pattern.compile("SamsungBrowser/(\\d+)(?:\\.\\d+)*");
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private static final Pattern UC_PATTERN = Pattern.compile("UCBrowser/(\\d+)(?:\\.\\d+)*");
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private static final Pattern QQ_PATTERN = Pattern.compile("QQBrowser/(\\d+)(?:\\.\\d+)*");
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private static final Pattern WECHAT_PATTERN = Pattern.compile("MicroMessenger/(\\d+)(?:\\.\\d+)*");
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private static final Pattern BAIDU_PATTERN = Pattern.compile("baidubrowser/(\\d+)(?:\\.\\d+)*");
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// 操作系统正则表达式模式
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private static final Pattern WINDOWS_PATTERN = Pattern.compile("Windows NT (\\d+\\.\\d+)");
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private static final Pattern MACOS_PATTERN = Pattern.compile("Mac OS X (\\d+[_\\d]*)");
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private static final Pattern ANDROID_PATTERN = Pattern.compile("Android (\\d+)(?:\\.\\d+)*");
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private static final Pattern IOS_PATTERN = Pattern.compile("OS[\\s_](\\d+)(?:_\\d+)*");
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private static final Pattern LINUX_PATTERN = Pattern.compile("Linux");
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private static final Pattern CHROMEOS_PATTERN = Pattern.compile("CrOS");
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private static final UserAgentAnalyzer userAgentAnalyzer = UserAgentAnalyzer
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.newBuilder().hideMatcherLoadStats()
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.withCache(5000)
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.showMinimalVersion()
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.withField(UserAgent.AGENT_NAME_VERSION)
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.withField(UserAgent.OPERATING_SYSTEM_NAME_VERSION)
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.build();
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/**
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* 获取客户端浏览器
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*/
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public static String getBrowser(String userAgent)
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{
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UserAgent.ImmutableUserAgent iua = userAgentAnalyzer.parse(userAgent);
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String agentNameVersion = iua.get(UserAgent.AGENT_NAME_VERSION).getValue();
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if (StringUtils.isBlank(agentNameVersion) || agentNameVersion.contains("??"))
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{
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return formatBrowser(userAgent);
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}
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return agentNameVersion;
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}
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/**
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* 获取客户端操作系统
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*/
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public static String getOperatingSystem(String userAgent)
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{
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UserAgent.ImmutableUserAgent iua = userAgentAnalyzer.parse(userAgent);
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String operatingSystemNameVersion = iua.get(UserAgent.OPERATING_SYSTEM_NAME_VERSION).getValue();
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if (StringUtils.isBlank(operatingSystemNameVersion) || operatingSystemNameVersion.contains("??"))
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{
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return formatOperatingSystem(userAgent);
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}
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return operatingSystemNameVersion;
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}
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/**
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* 全面浏览器检测
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*/
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private static String formatBrowser(String browser)
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{
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// Chrome系列浏览器
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Matcher chromeMatcher = CHROME_PATTERN.matcher(browser);
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if (chromeMatcher.find() && (browser.contains("Chrome") || browser.contains("CriOS")))
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{
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return "Chrome" + chromeMatcher.group(1);
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}
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// Firefox
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Matcher firefoxMatcher = FIREFOX_PATTERN.matcher(browser);
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if (firefoxMatcher.find())
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{
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return "Firefox" + firefoxMatcher.group(1);
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}
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// Edge浏览器
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Matcher edgeMatcher = EDGE_PATTERN.matcher(browser);
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if (edgeMatcher.find())
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{
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return "Edge" + edgeMatcher.group(1);
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}
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// Safari浏览器（需排除Chrome）
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Matcher safariMatcher = SAFARI_PATTERN.matcher(browser);
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if (safariMatcher.find() && !browser.contains("Chrome"))
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{
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return "Safari" + safariMatcher.group(1);
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}
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// 微信内置浏览器
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Matcher wechatMatcher = WECHAT_PATTERN.matcher(browser);
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if (wechatMatcher.find())
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{
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return "WeChat" + wechatMatcher.group(1);
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}
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// UC浏览器
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Matcher ucMatcher = UC_PATTERN.matcher(browser);
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if (ucMatcher.find())
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{
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return "UC Browser" + ucMatcher.group(1);
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}
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// QQ浏览器
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Matcher qqMatcher = QQ_PATTERN.matcher(browser);
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if (qqMatcher.find())
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{
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return "QQ Browser" + qqMatcher.group(1);
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}
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// 百度浏览器
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Matcher baiduMatcher = BAIDU_PATTERN.matcher(browser);
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if (baiduMatcher.find())
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{
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return "Baidu Browser" + baiduMatcher.group(1);
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}
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// Samsung浏览器
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Matcher samsungMatcher = SAMSUNG_PATTERN.matcher(browser);
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if (samsungMatcher.find())
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{
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return "Samsung Browser" + samsungMatcher.group(1);
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}
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// Opera浏览器
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Matcher operaMatcher = OPERA_PATTERN.matcher(browser);
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if (operaMatcher.find())
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{
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return "Opera" + operaMatcher.group(1);
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}
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// IE浏览器
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Matcher ieMatcher = IE_PATTERN.matcher(browser);
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if (ieMatcher.find())
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{
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return "Internet Explorer" + ieMatcher.group(1);
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}
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return UNKNOWN;
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}
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/**
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* 检测操作系统
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*/
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private static String formatOperatingSystem(String operatingSystem)
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{
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// Windows系统
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Matcher windowsMatcher = WINDOWS_PATTERN.matcher(operatingSystem);
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if (windowsMatcher.find())
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{
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return "Windows" + getWindowsVersionDisplay(windowsMatcher.group(1));
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}
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// macOS系统
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Matcher macMatcher = MACOS_PATTERN.matcher(operatingSystem);
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if (macMatcher.find())
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{
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String version = macMatcher.group(1).replace("_", ".");
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return "macOS" + extractMajorVersion(version);
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}
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// Android系统
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Matcher androidMatcher = ANDROID_PATTERN.matcher(operatingSystem);
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if (androidMatcher.find())
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{
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return "Android" + extractMajorVersion(androidMatcher.group(1));
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}
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// iOS系统
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Matcher iosMatcher = IOS_PATTERN.matcher(operatingSystem);
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if (iosMatcher.find() && (operatingSystem.contains("iPhone") || operatingSystem.contains("iPad")))
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{
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return "iOS" + extractMajorVersion(iosMatcher.group(1));
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}
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// Linux系统
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if (LINUX_PATTERN.matcher(operatingSystem).find() && !operatingSystem.contains("Android"))
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{
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return "Linux";
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}
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// Chrome OS
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if (CHROMEOS_PATTERN.matcher(operatingSystem).find())
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{
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return "Chrome OS";
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}
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return UNKNOWN;
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}
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/**
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* 提取优化的主版本号
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*/
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private static String extractMajorVersion(String fullVersion)
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{
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if (StringUtils.isEmpty(fullVersion))
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{
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return StringUtils.EMPTY;
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}
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try
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{
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// 清理版本号中的非数字字符
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String cleanVersion = fullVersion.replaceAll("[^0-9.]", "");
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String[] parts = cleanVersion.split("\\.");
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if (parts.length > 0)
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{
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String firstPart = parts[0];
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if (firstPart.matches("\\d+"))
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{
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int version = Integer.parseInt(firstPart);
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// 处理三位数版本号（如142 -> 14）
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if (version >= 100)
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{
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return String.valueOf(version / 10);
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}
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return firstPart;
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}
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}
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}
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catch (NumberFormatException e)
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{
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// 版本号解析失败，返回原始值
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}
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return fullVersion;
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}
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/**
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* Windows版本号显示优化
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*/
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private static String getWindowsVersionDisplay(String version)
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{
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switch (version)
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{
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case "10.0":
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return "10";
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case "6.3":
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return "8.1";
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case "6.2":
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return "8";
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case "6.1":
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return "7";
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case "6.0":
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return "Vista";
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case "5.1":
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return "XP";
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case "5.0":
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return "2000";
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default:
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return extractMajorVersion(version);
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}
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}
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}
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