import org.springframework.ui.freemarker.SpringTemplateLoader; //导入依赖的package包/类
public static TemplateLoader getTemplateLoaderForPath(ResourceLoader resourceLoader, String templateLoaderPath) {
	try {
		Resource path = resourceLoader.getResource(templateLoaderPath);
		File file = path.getFile();  // will fail if not resolvable in the file system
		if (logger.isDebugEnabled()) {
			logger.debug(
					"Template loader path [" + path + "] resolved to file path [" + file.getAbsolutePath() + "]");
		}
		return new FileTemplateLoader(file);
	}
	catch (IOException ex) {
		if (logger.isDebugEnabled()) {
			logger.debug("Cannot resolve template loader path [" + templateLoaderPath +
					"] to [java.io.File]: using SpringTemplateLoader as fallback", ex);
		}
		return new SpringTemplateLoader(resourceLoader, templateLoaderPath);
	}
	
}
 

import org.springframework.ui.freemarker.SpringTemplateLoader; //导入依赖的package包/类
@Test
public void freeMarkerConfigurationFactoryBeanWithResourceLoaderPath() throws Exception {
	FreeMarkerConfigurationFactoryBean fcfb = new FreeMarkerConfigurationFactoryBean();
	fcfb.setTemplateLoaderPath("file:/mydir");
	fcfb.afterPropertiesSet();
	Configuration cfg = fcfb.getObject();
	assertTrue(cfg.getTemplateLoader() instanceof SpringTemplateLoader);
}
 

import org.springframework.ui.freemarker.SpringTemplateLoader; //导入依赖的package包/类
@Test  // SPR-12448
public void freeMarkerConfigurationAsBean() {
	DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
	RootBeanDefinition loaderDef = new RootBeanDefinition(SpringTemplateLoader.class);
	loaderDef.getConstructorArgumentValues().addGenericArgumentValue(new DefaultResourceLoader());
	loaderDef.getConstructorArgumentValues().addGenericArgumentValue("/freemarker");
	RootBeanDefinition configDef = new RootBeanDefinition(Configuration.class);
	configDef.getPropertyValues().add("templateLoader", loaderDef);
	beanFactory.registerBeanDefinition("freeMarkerConfig", configDef);
	beanFactory.getBean(Configuration.class);
}
 

import org.springframework.ui.freemarker.SpringTemplateLoader; //导入依赖的package包/类
@Override
public void render(Map<String, ?> model, HttpServletRequest request, HttpServletResponse response) throws Exception {
	Configuration config = configurer.getConfiguration();
	// config.setTemplateLoader(new ClassTemplateLoader(this.getClass(), folder));
	config.setTemplateLoader(new SpringTemplateLoader(new DefaultResourceLoader(), folder));
	// return config.getTemplate(name, "UTF-8");

	Template template = config.getTemplate(viewName + ".ftl", "UTF-8");
	response.setContentType(getContentType());
	Writer out = response.getWriter();
	template.process(model, out);
}
 

import org.springframework.ui.freemarker.SpringTemplateLoader; //导入依赖的package包/类
private TemplateLoader getTemplateLoader(final String templatePath) {
	try {
		// Classpath loading
		if (templatePath.startsWith("classpath:")) {
			final Resource path = resourceLoader.getResource(templatePath);
			return new FileTemplateLoader(path.getFile());
		}

		// Filebase loading
		return new FileTemplateLoader(new File(templatePath));
	} catch (final IOException e) {
		LOGGER.debug("Error while getting templateLoader, will fallback to SpringTemplateLoader.", e);
		return new SpringTemplateLoader(resourceLoader, templatePath);
	}
}
 

import org.springframework.ui.freemarker.SpringTemplateLoader; //导入依赖的package包/类
public void testFreeMarkerConfigurationFactoryBeanWithResourceLoaderPath() throws Exception {
	FreeMarkerConfigurationFactoryBean fcfb = new FreeMarkerConfigurationFactoryBean();
	fcfb.setTemplateLoaderPath("file:/mydir");
	fcfb.afterPropertiesSet();
	Configuration cfg = fcfb.getObject();
	assertTrue(cfg.getTemplateLoader() instanceof SpringTemplateLoader);
}
 

import org.springframework.ui.freemarker.SpringTemplateLoader; //导入依赖的package包/类
@Bean
public FreeMarkerConfigurer freeMarkerConfig(ApplicationContext context) {
    final FreeMarkerConfigurer freeMarkerConfigurer = new FreeMarkerConfigurer();
    freeMarkerConfigurer.setPreTemplateLoaders(new SpringTemplateLoader(context, "/templates/"));
    return freeMarkerConfigurer;
}