springboot过滤器配置/** * 基本信息过滤器 * * @author jWX562483 */@EnableConfigurationProperties(DebugProperties.class)@WebFilter(filterName = "InstanceFilter", urlPatterns = "/*")    //配置过滤器名称和拦截的路径@Componentpublic class InstanceFilter extends OncePerRequestFilter {  //过滤器需要继承接口OncePerRequestFilter    private static final Logger logger = LogManager.getLogger(InstanceFilter.class);    @Autowired    private DebugProperties debugProperties;    @Override    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)    //继承这个方法  //请求发出后，会匹配过滤器拦截路径，如果匹配成功，则调用这个方法            throws ServletException, IOException {        if (debugProperties.isDebug()) {            HttpInfoUtils.setLanguage(debugProperties.getLanguage());            HttpInfoUtils.setProjectCode(debugProperties.getProjectCode());            HttpInfoUtils.setUser(JSON.parseObject(debugProperties.getUserInfo(), User.class));        } else {            try {                HttpInfoUtils.parseAndSetLanguage();            } catch (Exception e) {                logger.info(e.getMessage());            }            try {                HttpInfoUtils.parseAndSetProjectCode();            } catch (Exception e) {                logger.info(e.getMessage());            }            try {                HttpInfoUtils.parseAndSetUserInfo();            } catch (Exception e) {                logger.info(e.getMessage());            }        }        filterChain.doFilter(request, response);  //放行    }}