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  • Java Web应用中获取用户请求相关信息,如:IP地址、操作系统、浏览器等信息

    一、引入jar文件:

    <dependency>
    <groupId>eu.bitwalker</groupId>
    <artifactId>UserAgentUtils</artifactId>
    <version>1.20</version>
    </dependency>

    二、创建工具类

    package com.study.utils;

    import eu.bitwalker.useragentutils.Browser;
    import eu.bitwalker.useragentutils.OperatingSystem;
    import eu.bitwalker.useragentutils.UserAgent;
    import eu.bitwalker.useragentutils.Version;

    import javax.servlet.http.HttpServletRequest;
    import java.net.InetAddress;
    import java.net.UnknownHostException;

    /**
    * 获取请求IP地址、浏览器相关信息
    */
    public class IpAndAddrUtil {
    /**
    * 获取发起请求的IP地址
    */
    public static String getIp(HttpServletRequest request) {
    String ip = null;
    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.equals("127.0.0.1")) {
    InetAddress inet = null;
    try {
    inet = InetAddress.getLocalHost();
    } catch (UnknownHostException e) {
    e.printStackTrace();
    }
    ip = inet.getHostAddress();
    }
    }
    if ((ip != null) && (ip.length() > 15)) {
    if (ip.indexOf(",") > 0) {
    ip = ip.substring(0, ip.indexOf(","));
    }
    }
    return ip;
    }

    /**
    * 获取发起请求的浏览器名称
    */
    public static String getBrowserName(HttpServletRequest request) {
    String header = request.getHeader("User-Agent");
    UserAgent userAgent = UserAgent.parseUserAgentString(header);
    Browser browser = userAgent.getBrowser();
    return browser.getName();
    }

    /**
    * 获取发起请求的浏览器版本号
    */
    public static String getBrowserVersion(HttpServletRequest request) {
    String header = request.getHeader("User-Agent");
    UserAgent userAgent = UserAgent.parseUserAgentString(header);
    //获取浏览器信息
    Browser browser = userAgent.getBrowser();
    //获取浏览器版本号
    Version version = browser.getVersion(header);
    return version.getVersion();
    }

    /**
    * 获取发起请求的操作系统名称
    */
    public static String getOsName(HttpServletRequest request) {
    String header = request.getHeader("User-Agent");
    UserAgent userAgent = UserAgent.parseUserAgentString(header);
    OperatingSystem operatingSystem = userAgent.getOperatingSystem();
    return operatingSystem.getName();
    }
    }
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  • 原文地址:https://www.cnblogs.com/qubo520/p/10970845.html
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