Spring MVC配置response自动转json

<!-- response结果转成json --><bean id="mappingJacksonHttpMessageConverter"          class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">        <property name="supportedMediaTypes">            <list>                <value>application/json;charset=UTF-8</value>            </list>        </property>    </bean><beanclass="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"><property name="messageConverters"><list><beanclass="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter" /></list></property></bean>

然后再导入需要的jar包就可以了。