filter接口实现

/**
 * @Author: liftsail
 * @Date: 2022/9/15 10:03
 * @Description: 不积跬步无以至千里
 */
@Component
@Slf4j
@WebFilter(filterName = "urlFilter", urlPatterns = "/*")
public class URlFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        Filter.super.init(filterConfig);
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        String requestUrl = ((HttpServletRequest) request).getRequestURL().toString();
        String requestUri = ((HttpServletRequest) request).getRequestURI();
        String contextPath = ((HttpServletRequest) request).getContextPath();
        String servletPath = ((HttpServletRequest) request).getServletPath();
        log.info(requestUrl + "\n" +
                requestUri + "\n" +
                contextPath + "\n" +
                servletPath);

        chain.doFilter(request, response);

        /*if (requestUri.equals("/")) {
            requestUri = "/rootDir";
        }

        boolean allowedPath = requestUri.contains("assets")
                || requestUri.contains("txt")
                || requestUri.contains("js")
                || requestUri.contains("png")
                || requestUri.contains("ico")
                || requestUri.contains("html")
                || requestUri.contains("css")
                || requestUri.contains("/rootDir")
                || requestUri.contains("/user/login");

        if (allowedPath) {
            chain.doFilter(request, response);
        } else {
            HttpSession session = ((RequestFacade) request).getSession();
            if (ObjectUtil.isEmpty(session.getAttribute("loginUser"))) {
                request.getRequestDispatcher("/error/loginExpired").forward(request, response);
            } else {
                chain.doFilter(request, response);
            }
        }*/

    }

    @Override
    public void destroy() {
        Filter.super.destroy();
    }
}