用户代理使用

简介

UserAgentUtils是Java Web项目中一个非常常用的工具库，用于解析用户浏览器的User-Agent字符串，以获取所访问的设备类型、操作系统类型和版本、浏览器类型和版本等信息。

依赖

        <dependency>
            <groupId>eu.bitwalker</groupId>
            <artifactId>UserAgentUtils</artifactId>
            <version>1.21</version>
        </dependency>

代码

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.util.Objects;

/**
 * @ClassName UserAgentUtils
 * @Description 用户代理工具类
 * @Author XinHai.Ma
 * @Date 2023/6/9 22:45
 * @Version 1.0
 */
public class UserAgentUtils {

    /**
     * 获取客户端IP地址
     *
     * @param request
     * @return
     */
    public static String getIpAddress(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if (ip == null || ip.length() == 0 || "unknow".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")) {
                //根据网卡取本机配置的IP
                InetAddress inet = null;
                try {
                    inet = InetAddress.getLocalHost();
                } catch (Exception e) {
                    e.printStackTrace();
                }
                ip = inet.getHostAddress();
            }
        }
        // 多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割
        if (ip != null && ip.length() > 15) {
            if (ip.indexOf(",") > 0) {
                ip = ip.substring(0, ip.indexOf(","));
            }
        }
        return ip;
    }


    /**
     * 获取设备类型
     *
     * @param request
     * @return
     */
    public static String getDeviceType(HttpServletRequest request) {
        String agent = request.getHeader("User-Agent");
        UserAgent userAgent = UserAgent.parseUserAgentString(agent);
        OperatingSystem operatingSystem = userAgent.getOperatingSystem(); // 操作系统信息
        eu.bitwalker.useragentutils.DeviceType deviceType = operatingSystem.getDeviceType(); // 设备类型

        switch (deviceType) {
            case COMPUTER:
                return "PC";
            case TABLET: {
                if (agent.contains("Android")) return "Android Pad";
                if (agent.contains("iOS")) return "iPad";
                return "Unknown";
            }
            case MOBILE: {
                if (agent.contains("Android")) return "Android";
                if (agent.contains("iOS")) return "IOS";
                return "Unknown";
            }
            default:
                return "Unknown";
        }
    }


    /**
     * 获取来访者的浏览器版本
     *
     * @param request
     * @return
     */
    public static String getBrowserInfo(HttpServletRequest request) {
        String browserVersion = null;
        String header = request.getHeader("User-Agent");
        if (header == null || header.equals("")) {
            return "";
        }
        if (header.indexOf("MSIE") > 0) {
            browserVersion = "IE";
        } else if (header.indexOf("Firefox") > 0) {
            browserVersion = "Firefox";
        } else if (header.indexOf("Chrome") > 0) {
            browserVersion = "Chrome";
        } else if (header.indexOf("Safari") > 0) {
            browserVersion = "Safari";
        } else if (header.indexOf("Camino") > 0) {
            browserVersion = "Camino";
        } else if (header.indexOf("Konqueror") > 0) {
            browserVersion = "Konqueror";
        }
        return browserVersion;
    }


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


    /**
     * 获取发起请求的浏览器版本号
     *
     * @param request
     * @return
     */
    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 Objects.isNull(version) ? "Unknown" : version.getVersion();
    }


    /**
     * 获取发起请求的操作系统名称
     *
     * @param request
     * @return
     */
    public static String getOsName(HttpServletRequest request) {
        String header = request.getHeader("User-Agent");
        UserAgent userAgent = UserAgent.parseUserAgentString(header);
        OperatingSystem operatingSystem = userAgent.getOperatingSystem();
        return Objects.isNull(operatingSystem) ? "Unknown" : operatingSystem.getName();
    }

}

实现效果