Java工具类-获取请求ip/浏览器/操作系统/浏览器版本

获取请求ip/浏览器/操作系统/浏览器版本
使用到第三方工具类 hutool

<dependency>
    <groupId>cn.hutoolgroupId>
    <artifactId>hutool-allartifactId>
    <version>5.7.3version>
dependency>

import cn.hutool.http.useragent.UserAgent;
import cn.hutool.http.useragent.UserAgentUtil;

import javax.servlet.http.HttpServletRequest;

/**
 * 工具类 - ip/浏览器/操作系统/浏览器版本
 *
 * @author ao.nie
 * @date 2022/4/14
 */
public class HttpUtils {


    private HttpUtils() {
    }


    /**
     * 请求url
     *
     * @return {@link String}
     */
    public static String getRequestUrl() {
        return RequestContextHolderUtils.getRequest().getRequestURI();
    }

    /**
     * 获取浏览器名字
     *
     * @param request 请求
     * @return {@link String}
     */
    public static String getBrowserName(HttpServletRequest request) {
        String uaStr = request.getHeader("User-Agent");
        UserAgent ua = UserAgentUtil.parse(uaStr);
        return ua.getBrowser().toString();
    }

    /**
     * 获取浏览器版本
     *
     * @param request 请求
     * @return {@link String}
     */
    public static String getBrowserVersion(HttpServletRequest request) {
        String uaStr = request.getHeader("User-Agent");
        UserAgent ua = UserAgentUtil.parse(uaStr);
        return ua.getVersion();
    }

    /**
     * 获取操作系统名称
     *
     * @param request 请求
     * @return {@link String}
     */
    public static String getOsName(HttpServletRequest request) {
        String uaStr = request.getHeader("User-Agent");
        UserAgent ua = UserAgentUtil.parse(uaStr);
        return ua.getOs().toString();
    }


    /**
     * 得到ip addr
     *
     * @param request 请求
     * @return {@link String}
     */
    public static String getIpAddr(HttpServletRequest request) {
        if (request == null) {
            return "unknown";
        } else {
            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();
            }

            if ("0:0:0:0:0:0:0:1".equals(ip)) {
                ip = "127.0.0.1";
            }

            if (ip.contains(",")) {
                ip = ip.split(",")[0];
            }
            return ip;
        }
    }

public class RequestContextHolderUtils {
    
    /**
     * 获取HttpServletRequest请求对象
     *
     * @return {@link HttpServletRequest}
     */
    public static HttpServletRequest getRequest() {
        return getRequestAttributes().getRequest();
    }

    /**
     * 获取HttpServletResponse响应对象
     *
     * @return {@link HttpServletResponse}
     */
    public static HttpServletResponse getResponse() {
        return getRequestAttributes().getResponse();
    }

    /**
     * 获得会话
     *
     * @return {@link HttpSession}
     */
    public static HttpSession getSession() {
        return getRequest().getSession();
    }
     /**
     * 设置会话属性
     *
     * @param name  名字
     * @param value 值
     */
    public static void setSessionAttribute(String name, Object value) {
        getSession().setAttribute(name, value);
    }

    /**
     * 获得会话属性
     *
     * @param name 名字
     * @return {@link Object}
     */
    public static Object getSessionAttribute(String name) {
        return getSession().getAttribute(name);
    }

    /**
     * servlet容器请求属性
     *
     * @return {@link ServletRequestAttributes}
     */
    public static ServletRequestAttributes getRequestAttributes() {
        return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes());
    }

    /**
     * 得到servlet上下文
     *
     * @return {@link ServletContext}
     */
    public static ServletContext getServletContext() {
        return Objects.requireNonNull(ContextLoader.getCurrentWebApplicationContext()).getServletContext();
    }
}