如何使用基于纯Java的配置来配置Spring MVC?

我有一个我认为非常简单的Spring MVC设置。我的applicationContext.xml是这样的:

<mvc:annotation-driven />

<mvc:resources mapping="/css/**" location="/css/" />

<context:property-placeholder location="classpath:controller-test.properties" />

<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"

p:prefix="/WEB-INF/views/" p:suffix=".jsp" />

我的web.xml当前是这样的:

  <servlet>

<servlet-name>springDispatcherServlet</servlet-name>

<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

<init-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath:applicationContext.xml</param-value>

</init-param>

<load-on-startup>1</load-on-startup>

</servlet>

<!-- Map all requests to the DispatcherServlet for handling -->

<servlet-mapping>

<servlet-name>springDispatcherServlet</servlet-name>

<url-pattern>/</url-pattern>

</servlet-mapping>

我正在尝试将此设置转换为基于Java的纯配置。我已经搜索了Web,到目前为止,我已经提出了一些东西(这些东西可以解释)(如何做),但是没有解释如何在环境(即Web上下文)中注册该Java配置。

到目前为止,我对@Configuration的了解是:

 @Configuration

@EnableWebMvc

@PropertySource("classpath:controller.properties")

@ComponentScan("com.project.web")

public class WebSpringConfig extends WebMvcConfigurerAdapter {

@Override

public void addResourceHandlers(ResourceHandlerRegistry registry) {

registry.addResourceHandler("/css/**").addResourceLocations("/css/");

}

@Bean

public ViewResolver configureViewResolver() {

InternalResourceViewResolver viewResolve = new InternalResourceViewResolver();

viewResolve.setPrefix("/WEB-INF/views/");

viewResolve.setSuffix(".jsp");

return viewResolve;

}

@Override

public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer){

configurer.enable();

}

}

如何在Web容器中注册?我正在使用最新的Spring(4.02)。

谢谢!

回答:

你需要对进行以下更改,web.xml以支持基于Java的配置。这将告诉你DispatcherServlet使用基于注释的Java配置加载配置AnnotationConfigWebApplicationContext。你只需要将Java配置文件的位置传递给contextConfigLocationparam,如下所示

<servlet>

<servlet-name>springDispatcherServlet</servlet-name>

<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

<init-param>

<param-name>contextClass</param-name>

<param-value>org.springframework.web.context.support.AnnotationConfigWebApplicationContext</param-value>

</init-param>

<init-param>

<param-name>contextConfigLocation</param-name>

<param-value>/*path to your WebSpringConfig*/ </param-value>

</init-param>

<load-on-startup>1</load-on-startup>

</servlet>

更新:在不更改web.xml的情况下进行相同操作

你甚至可以在没有web.xmlServlet规范3.0 web.xml可选的情况下执行此操作。你只需要实现/配置WebApplicationInitializer接口来配置ServletContext,它将允许你以DispatcherServlet编程方式创建,配置和执行注册。好处是可以WebApplicationInitializer自动检测到。

总而言之,一个需要实现的WebApplicationInitializer摆脱方法web.xml

 public class MyWebAppInitializer implements WebApplicationInitializer {

@Override

public void onStartup(ServletContext container) {

// Create the 'root' Spring application context

AnnotationConfigWebApplicationContext rootContext =

new AnnotationConfigWebApplicationContext();

rootContext.register(WebSpringConfig.class);

// Manage the lifecycle of the root application context

container.addListener(new ContextLoaderListener(rootContext));

// Create the dispatcher servlet's Spring application context

AnnotationConfigWebApplicationContext dispatcherContext =

new AnnotationConfigWebApplicationContext();

dispatcherContext.register(DispatcherConfig.class);

// Register and map the dispatcher servlet

ServletRegistration.Dynamic dispatcher =

container.addServlet("dispatcher", new DispatcherServlet(dispatcherContext));

dispatcher.setLoadOnStartup(1);

dispatcher.addMapping("/");

}

}

以上是 如何使用基于纯Java的配置来配置Spring MVC? 的全部内容, 来源链接: utcz.com/qa/417097.html

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