SpringBoot UserAgentUtils获取用户浏览器的用法

<!--解析浏览器字符串-->
<dependency>
    <groupId>eu.bitwalker</groupId>
    <artifactId>UserAgentUtils</artifactId>
    <version>1.21</version>
</dependency>
<!--字符串工具-->
<dependency>
	<groupId>org.apache.commons</groupId>
    <artifactId>commons-lang3</artifactId>
    <version>3.12.0</version> 
</dependency>
<!--提供了大量的工具类，更方便地进行字符串、日期、集合、反射等操作。-->

public class ClientUtils {
    /**
     * 获取当前线程的请求
     */
    public static ServletRequestAttributes getRequestAttributes()
    {
        //获取当前线程的请求
        RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
        //提供了更具体的 Servlet 请求属性
        return (ServletRequestAttributes) attributes;
    }
    /**
     * 获取request信息
     */
    public static HttpServletRequest getRequest()
    {
        return getRequestAttributes().getRequest();
    }
}

public class IpUtils {
    /**
     * 获取客户端IP
     *
     * @return IP地址
     */
    public static String getIpAddr()
    {
        return getIpAddr(ClientUtils.getRequest());
    }
    /**
     * 获取客户端IP
     *
     * @param request 请求对象
     * @return IP地址
     */
    public static String getIpAddr(HttpServletRequest request)
    {
        if (request == null)
        {
            return "unknown";
        }
        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("X-Forwarded-For");
        }
        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.getHeader("X-Real-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
        {
            ip = request.getRemoteAddr();
        }
        return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : getMultistageReverseProxyIp(ip);
    }
    /**
     * 从多级反向代理中获得第一个非unknown IP地址
     *
     * @param ip 获得的IP地址
     * @return 第一个非unknown IP地址
     */
    public static String getMultistageReverseProxyIp(String ip)
    {
        // 多级反向代理检测
        if (ip != null && ip.indexOf(",") > 0)
        {
            final String[] ips = ip.trim().split(",");
            for (String subIp : ips)
            {
                if (false == isUnknown(subIp))
                {
                    ip = subIp;
                    break;
                }
            }
        }
        return StringUtils.substring(ip, 0, 255);
    }
    /**
     * 检测给定字符串是否为未知，多用于检测HTTP请求相关
     *
     * @param checkString 被检测的字符串
     * @return 是否未知
     */
    public static boolean isUnknown(String checkString)
    {
        return StringUtils.isBlank(checkString) || "unknown".equalsIgnoreCase(checkString);
    }
}

@Data
@EqualsAndHashCode(callSuper = false)
@Accessors(chain = true)
@TableName("login_log")
public class LoginLog implements Serializable {
    private static final long serialVersionUID = 1L;
    /**
     * 编号
     */
    @TableId(value = "id", type = IdType.AUTO)
    private Integer id;
    /**
     * 用户名称
     */
    @TableField("user_name")
    private String userName;
    /**
     * IP
     */
    @TableField("ip")
    private String ip;
    /**
     * 浏览器
     */
    @TableField("browser")
    private String browser;
    /**
     * 操作系统
     */
    @TableField("platform")
    private String platform;
    /**
     * 登录时间
     */
    @TableField("login_time")
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private String loginTime;
}

    public void recordLogin(LoginLog loginLog){
    	//获取当前线程中的请求
        String s = ClientUtils.getRequest().getHeader("User-Agent");
		//反向代理中获取IP
        loginLog.setIp(IpUtils.getIpAddr());
		//异步执行
        CompletableFuture.runAsync(() -> {
            // 获取当前线程请求头的 "User-Agent"
            UserAgent userAgent = UserAgent.parseUserAgentString(s);
            // 获取使用的浏览器
            loginLog.setBrowser(userAgent.getBrowser().getName());
            // 获取使用的操作系统
            loginLog.setPlatform(userAgent.getOperatingSystem().getName());
            //数据入库
            mapper.insert(loginLog);
        });
    }