springmvc全注解配置

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
  <display-name>Archetype Created Web Application</display-name>
  
  <!-- Configure ContextLoaderListener to use AnnotationConfigWebApplicationContext
        instead of the default XmlWebApplicationContext -->
    <context-param>
        <param-name>contextClass</param-name>
        <param-value>
           org.springframework.web.context.support.AnnotationConfigWebApplicationContext
        </param-value>
    </context-param>

    <!-- Configuration locations must consist of one or more comma- or space-delimited
        fully-qualified @Configuration classes. Fully-qualified packages may also be
        specified for component-scanning -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>com.spring.config.AppConfig</param-value>
    </context-param>
  <!-- Bootstrap the root application context as usual using ContextLoaderListener -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    
    
    <servlet>
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!-- Configure DispatcherServlet to use AnnotationConfigWebApplicationContext
            instead of the default XmlWebApplicationContext -->
        <init-param>
            <param-name>contextClass</param-name>
            <param-value>
                org.springframework.web.context.support.AnnotationConfigWebApplicationContext
            </param-value>
        </init-param>
        <!-- Again, config locations must consist of one or more comma- or space-delimited
            and fully-qualified @Configuration classes -->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>com.spring.config.WebConfig</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <!-- map all requests for /app/* to the dispatcher servlet -->
    <servlet-mapping>
        <servlet-name>dispatcher</servlet-name>
        <url-pattern>/app/*</url-pattern>
    </servlet-mapping>
</web-app>

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package com.spring.config;

import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.JstlView;

@Configuration
@ComponentScan(basePackages = { "com.spring.web" })
public class WebConfig {

	/***
	 * config request handler adapter banxia 2016年4月19日 下午6:45:14
	 * 
	 * @return
	 */
	@Bean
	public RequestMappingHandlerAdapter requestMappingHandlerAdapter() {
		RequestMappingHandlerAdapter requestMappingHandlerAdapter = new RequestMappingHandlerAdapter();
		List<HttpMessageConverter<?>> messageConverters = new ArrayList<HttpMessageConverter<?>>();
		messageConverters.add(mappingJackson2HttpMessageConverter());
		requestMappingHandlerAdapter.setMessageConverters(messageConverters);
		return requestMappingHandlerAdapter;
	}

	@Bean
	public MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter() {
		MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
		List<MediaType> supportedMediaTypes = new ArrayList<MediaType>();
		MediaType textMediaType = new MediaType("text","html",Charset.forName("UTF-8"));
		supportedMediaTypes.add(textMediaType);
		MediaType jsonMediaType = new MediaType("application","json",Charset.forName("UTF-8"));
		supportedMediaTypes.add(jsonMediaType);
		converter.setSupportedMediaTypes(supportedMediaTypes);
		return converter;
	}

	/***
	 * config request handler mapping handler banxia 2016年4月19日 下午6:48:14
	 * 
	 * @return
	 */
	@Bean
	public RequestMappingHandlerMapping requestMappingHandlerMapping() {
		return new RequestMappingHandlerMapping();
	}

	/***
	 * config a view resolver banxia 2016年4月19日 下午6:52:48
	 * 
	 * @return
	 */
	@Bean
	public InternalResourceViewResolver internalResourceViewResolver() {
		InternalResourceViewResolver resolver = new InternalResourceViewResolver();
		resolver.setPrefix("/WEB-INF/jsp/");
		resolver.setSuffix(".jsp");
		resolver.setViewClass(JstlView.class);
		return resolver;
	}

}

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package com.spring.config;

import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.PropertySource;

/***
 * 配置
 * 
 * @author banxia
 * @date 2016年4月19日 下午3:38:18
 */
@Configuration
@Import(value={ContextConfig.class})
@PropertySource(value={"classpath:app.properties"})
@ComponentScan(basePackages={"com.spring"})
public class AppConfig {

	
}

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package com.spring.config;

import org.springframework.context.annotation.Configuration;

@Configuration
public class ContextConfig {

}

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springmvc全注解配置

原文：http://qq466862016.iteye.com/blog/2292413