public static Map<String, String> getParameterMapAll(ServletRequest request) {
        Enumeration<String> parameters = request.getParameterNames();

        Map<String, String> params = new HashMap<>();
        while (parameters.hasMoreElements()) {
            String parameter = parameters.nextElement();
            String value = request.getParameter(parameter);
            params.put(parameter, value);
        }
        return params;
    }
Get request params
@param request
@return
inlong-manager/manager-web/src/main/java/org/apache/inlong/manager/web/utils/HttpContextUtils.java