法一：
1 @RequestMapping(value="/getUsersByPage",produces = "application/json; charset=utf-8") 2 @ResponseBody 3 public String getUsers
法二：在spring-mvc.xml中配置
1 <mvc:annotation-driven>
2 <mvc:message-converters>
3 <bean class="org.springframework.http.converter.StringHttpMessageConverter">
4 <property name="supportedMediaTypes">
5 <list>
6 <value>application/json;charset=UTF-8</value>
7 </list>
8 </property>
9 </bean>
10 </mvc:message-converters>
11 </mvc:annotation-driven>