Spring MVC回来Json对象

    <dependency>          <groupId>org.codehaus.jackson</groupId>          <artifactId>jackson-core-asl</artifactId>          <version>1.9.4</version>      </dependency>      <dependency>          <groupId>org.codehaus.jackson</groupId>          <artifactId>jackson-mapper-asl</artifactId>          <version>1.9.4</version>      </dependency>  

        <context:component-scan base-package="com.xx.wdss.web.controller" />	<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">		<property name="messageConverters">			<util:list id="beanList">				<ref bean="mappingJacksonHttpMessageConverter" />			</util:list>		</property>	</bean>	<bean id="mappingJacksonHttpMessageConverter"		class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">		<property name="supportedMediaTypes">			<list>				<value>text/html;charset=UTF-8</value>			</list>		</property>	</bean>

	@RequestMapping(value="/test")      @ResponseBody      public Object test(HttpSession session){  		Map<String,Object> map = new HashMap<String,Object>();		map.put("a", "a");		map.put("b", 123);		map.put("c", new Object[]{"cc",456});        System.out.println("test....................");          return map;      }