SpringMVC3 返回JSON数据

 java程序:

	@RequestMapping("/admin/getMemory.do")
	public @ResponseBody OperatingSystemMXBean getMemory(HttpServletRequest request){
		 OperatingSystemMXBean systemMXBean=(OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
		 return systemMXBean;
	}

 springmvc配置:

	<bean id="messageAdapter"
		class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
		<property name="messageConverters">
			<list>
				<bean
					class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />
			</list>
		</property>
	</bean>
	<bean id="exceptionMessageAdapter"
		class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerExceptionResolver">
		<property name="messageConverters">
			<list>
				<bean
					class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />
			</list>
		</property>
	</bean>

 运行效果:

附件提供jar下载