说明:
1、添加jar包
2、springmvc配置文件添加:
<!--jackon -->
<!--json转化器,它可以将结果转化 -->
<bean id="mappingJacksonHttpMessageConverter"
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>application/json;charset=UTF-8</value>
</list>
</property>
</bean>
<bean
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<!--json视图拦截器,读取到@ResponseBody的时候去配置它 -->
<ref bean="mappingJacksonHttpMessageConverter" />
</list>
</property>
</bean>
3、Controller添加@Responsebody注解