spring mvc rest 小例子

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spring

http://localhost:8080/mainrest/user/list/1234.json

http://localhost:8080/mainrest/user/list/1234.xml

WEB-INF/dispatcher-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
       http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
       http://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm-3.0.xsd"
	default-lazy-init="true">
	
	<context:component-scan base-package="com.mainrest.controller" />

	<mvc:annotation-driven />
	
	<!-- 拦截器 -->
	<mvc:interceptors>
		<bean id="accessInterceptor" class="com.mainrest.interceptor.AccessInterceptor"></bean>
	</mvc:interceptors>

	<bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">
		<property name="order" value="1" />
		<property name="mediaTypes">
			<map>
				<entry key="json" value="application/json" />
				<entry key="xml" value="application/xml" />
				<entry key="html" value="text/html" />
			</map>
		</property>
		<property name="viewResolvers">
			<list>
				<bean
					class="org.springframework.web.servlet.view.InternalResourceViewResolver">
					<property name="viewClass"
						value="org.springframework.web.servlet.view.JstlView" />
					<property name="prefix" value="/WEB-INF/view" />
					<property name="suffix" value=".jsp" />
				</bean>
			</list>
		</property>
		<property name="defaultViews">
			<list>
				<bean class="org.springframework.web.servlet.view.xml.MarshallingView">
					<property name="marshaller">
						<bean class="org.springframework.oxm.xstream.XStreamMarshaller">
							 <property name="autodetectAnnotations" value="true"/> 
						</bean>
					</property>
				</bean>
				<bean class="org.springframework.web.servlet.view.json.MappingJacksonJsonView" />
			</list>
		</property>
		<property name="ignoreAcceptHeader" value="true" />
	</bean>

	<bean id="beanNameViewResolver" class="org.springframework.web.servlet.view.BeanNameViewResolver" />
</beans>

WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="mod_baby_admin" version="2.5">
  <display-name>co_sgh_site</display-name>
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:/app-*.xml</param-value>
  </context-param>
  <filter>
    <filter-name>encodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
    <init-param>
      <param-name>forceEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>encodingFilter</filter-name>
    <url-pattern>*.jsp</url-pattern>
    <url-pattern>*.html</url-pattern>
    <url-pattern>*.xml</url-pattern>
    <url-pattern>*.json</url-pattern>  
  </filter-mapping>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <listener>
		<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
	</listener>
  <servlet>
    <servlet-name>dispatcher</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>dispatcher</servlet-name>
    <url-pattern>*.html</url-pattern>
    <url-pattern>*.json</url-pattern>
    <url-pattern>*.xml</url-pattern>
  </servlet-mapping>
</web-app>