java InternalResourceViewResolver找不到页面

Question

我有下一个项目结构：

WebMVC配置类：

@Configuration
@EnableWebMvc
@ComponentScan("com.test.controller")
public class WebMvcConfiguration {
    @Bean
    public InternalResourceViewResolver resolver() {
        return new InternalResourceViewResolver("/WEB-INF/view/", ".html");
    }
}

WebAppInitializer类：

public class WebAppInitializer implements WebApplicationInitializer {
    @Override
    public void onStartup(ServletContext servletContext) {
        AnnotationConfigWebApplicationContext webApplicationContext = new AnnotationConfigWebApplicationContext();
        webApplicationContext.scan("com.test.configuration");
        webApplicationContext.setServletContext(servletContext);

        ServletRegistration.Dynamic servletDispatcher =
            servletContext.addServlet("dispatcher", new DispatcherServlet(webApplicationContext));
        servletDispatcher.setLoadOnStartup(1);
        servletDispatcher.addMapping("/");
    }
}

CustomRestController类：

@RestController
public class CustomRestController {
    @GetMapping(value = "/rest", produces = MediaType.TEXT_PLAIN_VALUE)
    public String main() {
        return "main";
    }
}

CustomPageController类：

@Controller
public class CustomPageController {
    @GetMapping("/page")
    public String main() {
        return "main";
    }
}

Rest控制器正常工作。但PageController失败，出现以下异常：

org.springframework.web.servlet.DispatcherServlet.noHandlerFound No mapping for GET /WEB-INF/view/main.html

Answer 1

我忘记在WebMVC配置中启用DefaultServletHandlerConfigurer：

@Configuration
@EnableWebMvc
@ComponentScan("com.test.controller")
public class WebMvcConfiguration implements WebMvcConfigurer {
    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }

    @Bean
    public InternalResourceViewResolver resolver() {
        return new InternalResourceViewResolver("/WEB-INF/view/", ".html");
    }
}