Java 春叶国际化做'；无法从资源获取消息

我有一个SpringWeb项目。我想用ThymalLeaf实现国际化。 我在参考资料下添加了消息文件。但我总是在页面上出现错误，比如

。
当使用MessageResource在控制器中获取消息时，返回属性文件中定义的所有消息：
messageSource.getMessage（“page.title”，null，locale）
我的资源文件结构是：
资源

                                       i18n/messages.properties
                                       i18n/messages_en.properties

下面是我的Bean配置：

    /**
 * This method is used for configure thymeleaf view resolver.
 * This view resolver have second priority.
 * */
private ViewResolver thymeleafViewResolver() {
    ThymeleafViewResolver thymeleafViewResolver = new ThymeleafViewResolver();
    thymeleafViewResolver.setViewClass(ThymeleafView.class);
    thymeleafViewResolver.setTemplateEngine(templateEngine());

    return thymeleafViewResolver;
}


/**
 * This method is used to configure template engine for thymeleaf.
 * */
private SpringTemplateEngine templateEngine() {
    SpringTemplateEngine templateEngine = new SpringTemplateEngine();
    templateEngine.setTemplateResolver(templateResolver());

    return templateEngine;
}

/**
 * This method is used for configure the thymeleaf view configuration.
 * */
private SpringResourceTemplateResolver templateResolver() {
    SpringResourceTemplateResolver resolver = new SpringResourceTemplateResolver();
    //ServletContextTemplateResolver resolver = new ServletContextTemplateResolver();
    //ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver();
    resolver.setApplicationContext(applicationContext);
    resolver.setPrefix("/WEB-INF/views/templates/");
    resolver.setSuffix(".html");
    resolver.setTemplateMode(TemplateMode.HTML);

    resolver.setCharacterEncoding("UTF8");

    resolver.setOrder(2);
    return resolver;
}


@Override
public void configureDefaultServletHandling(
        DefaultServletHandlerConfigurer configurer) {
    configurer.enable();
}

@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
    registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
}

@Bean
public LocaleResolver localeResolver() {
    SessionLocaleResolver slr = new SessionLocaleResolver();
    slr.setDefaultLocale(Locale.US);
    return slr;
}


@Bean
public MessageSource messageSource() {
    ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
    messageSource.setBasename("i18n/messages");
    messageSource.setDefaultEncoding("UTF-8");
    // messageSource.setCacheSeconds(3600); //refresh cache once per hour
    return messageSource;
}
@Bean
public LocaleChangeInterceptor localeChangeInterceptor() {
    LocaleChangeInterceptor lci = new LocaleChangeInterceptor();
    lci.setParamName("lang");
    return lci;
}
@Override
public void addInterceptors(InterceptorRegistry registry) {
    registry.addInterceptor(localeChangeInterceptor());
}

我已经解决了我的问题
@Bean
注释在
templateResolver
和
templateEngine
上丢失。这些方法也应该是公共的。
可能会错过bean配置类中“@Configuration”的注释。
Spring会直接在resources文件夹下自动获取消息属性文件。如果删除addResourceHandlers和messageSource bean定义并将文件直接移动到resources文件夹下，会有什么不同吗？我的问题已经解决了，我找到了解决方案。我错过了方法
templateResolver
和
templateEngine
上的
@Bean
注释。这不应该是一个答案，而是一个注释