Spring MVC回来Json对象

Spring MVC返回Json对象
pom.xml

    <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 /></util:list></property></bean><bean id="mappingJacksonHttpMessageConverter"name="code">@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;      }