springboot在filter中如何用threadlocal存放用户身份信息

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
    throws IOException, ServletException;

import jakarta.servlet.Filter;
import jakarta.servlet.FilterChain;
import jakarta.servlet.FilterConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.annotation.WebFilter;
import jakarta.servlet.http.HttpServletRequest;
import lombok.extern.slf4j.Slf4j;
import org.slf4j.MDC;
@WebFilter("/api")
@Component
@Slf4j
public class JwtFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) {
        // noting to do
    }
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
            throws IOException, ServletException {
        var httpRequest = (HttpServletRequest) servletRequest;
        var requestBodyPayload = StreamUtils.copyToString(servletRequest.getInputStream(), StandardCharsets.UTF_8);
        // 解析Body参数，并存入threadLocal管理
        var jwtInfo = JwtUtil.getJwtInfoFromReq(requestBodyPayload);
        JwtUtil.setJwtInfo(jwtInfo);
        // 读取过body，需要重新设置body
        var wrapper = new HttpServletRequestUriWrapper(httpRequest, httpRequest.getRequestURI(), requestBodyPayload);
        // 将请求传递到下一个过滤器（或者最终到达控制器方法）
        filterChain.doFilter(wrapper, servletResponse);
    }
    @Override
    public void destroy() {
        JwtUtil.removeJwtInfo();
        MDC.clear();
    }
}

@Slf4j
@Component
public class JwtUtil {
    /** 线程jwt信息维护 */
    private static final ThreadLocal<JwtInfo> REQUEST_BASE_INFO_THREAD_LOCAL = new ThreadLocal<>();
    /** 解析jwt信息 */
    public static JwtInfo getJwtInfoFromReq(String requestBodyPayload) {
        var jwtInfo = new JwtInfo();
        try {
            var requestBody = JsonUtil.getJsonNode(requestBodyPayload);
            log.info("[JwtUtil] RequestBody -> {}", requestBody);
            // 解析requestBody，转为jwtInfo对象
            jwtInfo.setRequestId(requestBody.get("RequestId") != null ? requestBody.get("RequestId").asText() : "");
            jwtInfo.setRegion(requestBody.get("Region") != null ? requestBody.get("Region").asText() : "");
            log.info("[JwtUtil] JwtInfo -> {}", jwtInfo);
        } catch (Exception e) {
            log.error("[JwtUtil] Parse RequestBodyInfo Error, Error Message -> {}", e.getMessage(), e);
        }
        return jwtInfo;
    }
    /** 获取jwt信息 */
    public static JwtInfo getJwtInfo() {
        var jwtInfo = REQUEST_BASE_INFO_THREAD_LOCAL.get();
        if (Objects.isNull(jwtInfo)) {
            final var requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
            if (Objects.nonNull(requestAttributes)) {
                var requestBodyPayload = "";
                try {
                    requestBodyPayload = StreamUtils.copyToString(requestAttributes.getRequest().getInputStream(),
                            StandardCharsets.UTF_8);
                } catch (Exception e) {
                    log.error("[JwtUtil] Parse RequestBodyInfo Error, Error Message -> {}", e.getMessage());
                }
                jwtInfo = getJwtInfoFromReq(requestBodyPayload);
                setJwtInfo(jwtInfo);
            }
        }
        return jwtInfo;
    }
    /** 将jwt信息存入threadLocal中 */
    public static void setJwtInfo(JwtInfo jwtInfo) {
        REQUEST_BASE_INFO_THREAD_LOCAL.set(jwtInfo);
        // 将traceId写入日志变量
        MDC.put("traceId", jwtInfo.getRequestId());
    }
    public static void setJwtInfo(String appId, String ownerUin) {
        var jwtInfo = new JwtUtil.JwtInfo();
        jwtInfo.setRequestId(UUID.randomUUID().toString());
        setJwtInfo(jwtInfo);
    }
    /** 从threadLocal中删除jwt信息 */
    public static void removeJwtInfo() {
        REQUEST_BASE_INFO_THREAD_LOCAL.remove();
    }
    @Data
    public static class JwtInfo {
        @JsonPropertyDescription("请求requestId")
        private String requestId;
        @JsonPropertyDescription("请求的Region")
        private String region;
    }
}

   public static JsonNode sendHttpRequest(String method, String action, String url, Map<String, Object> body)
            throws IOException, InterruptedException {
        // 设置通用参数
        var jwtInfo = JwtUtil.getJwtInfo();
        if (jwtInfo != null) {
            body.put("RequestId", jwtInfo.getRequestId());
            body.put("AppId", Integer.valueOf(jwtInfo.getAppId()));
            body.put("Uin", jwtInfo.getUin());
            body.put("Region", jwtInfo.getRegion());
        }
        // 设置action
        body.put("Action", action);
        // 发送http请求，拿到请求结果
        HttpConnectUtil.ResponseInfo responseInfo = switch (method) {
            case "GET" -> HttpConnectUtil.sendGetByJson(url, JsonUtil.toJson(body));
            case "POST" -> HttpConnectUtil.sendPost(url, JsonUtil.toJson(body), new HashMap<>(2));
            default -> new HttpConnectUtil.ResponseInfo();
        };
        // 检查Api3格式返回结果，并解析
        var jsonResponse = JsonUtil.getJsonNode(responseInfo.getContent()).get("Response");
        var jsonError = jsonResponse.get("Error");
        if (jsonError != null) {
            var errorCode = jsonError.get("Code").asText();
            var errorMessage = jsonError.get("Message").asText();
            throw new ApiException(ErrorCode.INTERNAL_ERROR,
                    String.format("错误码:[%s],错误信息:[%s]", errorCode, errorMessage));
        }
        return jsonResponse;
    }