import org.springframework.web.servlet.view.AbstractTemplateView; //导入依赖的package包/类
@RequestMapping("/decorator")
public void decorator(HttpServletRequest request, HttpServletResponse response) throws Exception {
	AbstractTemplateView view = (AbstractTemplateView)viewResolver.resolveViewName("decorator", 
			localeResolver.resolveLocale(request));
	//因为此请求是Sitemesh forward进来的，如果不做下面两个Override配置的话会重复设置Model，而Spring MVC碰到重复参数名会抛异常
	//详细逻辑请阅读 {@link AbstractTemplateView} 的 renderMergedOutputModel方法
	
	//启用spring.freemarker.expose-request-attributes=true时则需要启用下面的代码
	//view.setAllowRequestOverride(true);
	
	//启用spring.freemarker.expose-session-attributes=true时则需要启用下面的代码
	//view.setAllowSessionOverride(true);
	
	view.setExposeSpringMacroHelpers(false);
	view.render(null, request, response);
}
 

import org.springframework.web.servlet.view.AbstractTemplateView; //导入依赖的package包/类
@Override
public Object call(Object[] paras, Context ctx) {

	RequestContext requestContext = (RequestContext) ctx
			.getGlobal(AbstractTemplateView.SPRING_MACRO_REQUEST_CONTEXT_ATTRIBUTE);

	Assert.notNull(requestContext);
	Assert.notNull(paras);
	Assert.isTrue(paras.length > 0);

	String code = (String) paras[0];
	Object[] args = paras.length > 1 ? Arrays.copyOfRange(paras, 1, paras.length) : null;

	return requestContext.getMessage(code, args);
}
 

import org.springframework.web.servlet.view.AbstractTemplateView; //导入依赖的package包/类
private void additionalVariableProcessing(ConversionService conversionService, Map<String, Object> variables) {
	RequestContext requestContext = (RequestContext) variables.get(AbstractTemplateView.SPRING_MACRO_REQUEST_CONTEXT_ATTRIBUTE);
	variables.put(SpringContextVariableNames.SPRING_REQUEST_CONTEXT, requestContext);

	ThymeleafEvaluationContext evaluationContext = new ThymeleafEvaluationContext(applicationContext, conversionService);

	variables.put(ThymeleafEvaluationContext.THYMELEAF_EVALUATION_CONTEXT_CONTEXT_VARIABLE_NAME, evaluationContext);
}
 

import org.springframework.web.servlet.view.AbstractTemplateView; //导入依赖的package包/类
protected <V extends AbstractTemplateView> V initialize (V view) {
  super.initialize (view);
  view.setAllowRequestOverride (allowRequestOverride);
  view.setAllowSessionOverride (allowSessionOverride);
  view.setExposeRequestAttributes (exposeRequestAttributes);
  view.setExposeSessionAttributes (exposeSessionAttributes);
  view.setExposeSpringMacroHelpers (exposeSpringMacroHelpers);
  return view;
}
 

import org.springframework.web.servlet.view.AbstractTemplateView; //导入依赖的package包/类
private void doAdditionalVariableProcessing(ITest test, Locale locale, Map<String, Object> variables) {
	servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, applicationContext);

	request.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE, applicationContext);

	RequestContextHolder.setRequestAttributes(webRequest);

	ConversionService conversionService = getConversionService();

	RequestContext requestContext = new RequestContext(request, response, servletContext, variables);
	variables.put(AbstractTemplateView.SPRING_MACRO_REQUEST_CONTEXT_ATTRIBUTE, requestContext);

	additionalVariableProcessing(conversionService, variables);

	initializeBindingResults(test, conversionService, locale, variables);

	injectJawrProperties(test);
}