错误 [org.apache.velocity] 资源管理器:无法在任何资源加载器中找到资源'layout.vm'



MyController.java:

@Controller
public class ForemanController {
    @RequestMapping({"/index", "/"})
    public ModelAndView home(Model model){
        Map<String, String> map = new HashMap<String, String>();
        // .. fill map
        return new ModelAndView("index", "map", map);
    }   
}

ServletInitializer.java:

public class ServletInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
    @Override
    protected Class<?>[] getRootConfigClasses() {
        return new Class<?>[0];
    }
    @Override
    protected Class<?>[] getServletConfigClasses() {
        return new Class<?>[]{AppConfig.class};
    }
    @Override
    protected String[] getServletMappings() {
        return new String[]{"/"};
    }
}

应用配置.java:

@Configuration
@EnableWebMvc
@ComponentScan(basePackages = {"com.my"})
public class AppConfig {
    @Bean
    public VelocityConfigurer velocityConfig(){
        VelocityConfigurer velocityConfig = new VelocityConfigurer();
        velocityConfig.setResourceLoaderPath("/");
        return velocityConfig;
    }
    @Bean
    public VelocityLayoutViewResolver viewResolver(){
        VelocityLayoutViewResolver viewResolver = new VelocityLayoutViewResolver();
        viewResolver.setCache(true);
        viewResolver.setPrefix("/WEB-INF/views/");
        viewResolver.setSuffix(".vm");
        return viewResolver;
    }
}

WEB-INF/views 下的 index.vm

<!DOCTYPE HTML>
<html>
<head>
    <title>foreman</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<body>
    hello world!
</body>
</html>

我部署到 Wildfly,部署成功,点击主页"localhost:8080/myapp",我得到Internal Server Error

2016-03-11 01:48:58,844 ERROR [org.apache.velocity] (default task-11) ResourceManager : unable to find resource 'layout.vm' in any resource loader.

我在我的项目中的任何地方都没有看到提到"布局"。这是从哪里来的?

Bean viewResolver中搜索模板layout.vmVelocityLayoutViewResolver 的默认行为。

layout.vm应用作控制器确定的视图周围的框架或包装器。这非常方便,因为您无需为特殊视图和常规HTML页面的合并而烦恼。

请参阅本教程(从"创建模板"开始)和此问题以了解详细信息。

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