return mergedModel;
}

protected void renderMergedOutputModel(
        Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) throws Exception {

    // 将model中的数据以属性方式设置到request中
    exposeModelAsRequestAttributes(model, request);

    // Expose helpers as request attributes, if any.
    exposeHelpers(request);

    // Determine the path for the request dispatcher.
    String dispatcherPath = prepareForRendering(request, response);

    // Obtain a RequestDispatcher for the target resource (typically a JSP).
    RequestDispatcher rd = getRequestDispatcher(request, dispatcherPath);
    if (rd == null) {
        throw new ServletException("Could not get RequestDispatcher for [" + getUrl() +
                "]: Check that the corresponding file exists within your web application archive!");
    }

    // If already included or response already committed, perform include, else forward.
    if (useInclude(request, response)) {
        response.setContentType(getContentType());
        if (logger.isDebugEnabled()) {
            logger.debug("Including resource [" + getUrl() + "] in InternalResourceView '" + getBeanName() + "'");
        }
        rd.include(request, response);
    }

    else {
        // Note: The forwarded resource is supposed to determine the content type itself.
        if (logger.isDebugEnabled()) {
            logger.debug("Forwarding to resource [" + getUrl() + "] in InternalResourceView '" + getBeanName() + "'");
        }
        rd.forward(request, response);
    }
}