第一种解决方案
RequestMapping注解处设置编码类型
@RequestMapping(value = "/json1",produces = "application/json;charset=utf-8")
第二种解决方案
在Spring配置文件中统一制定编码
<context:component-scan base-package="org.westos.controller"/>
<mvc:default-servlet-handler/>
<mvc:annotation-driven>
<!--JSON格式乱码处理方式-->
<mvc:message-converters register-defaults="true">
<bean class="org.springframework.http.converter.StringHttpMessageConverter">
<constructor-arg value="UTF-8"/>
</bean>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="objectMapper">
<bean class="org.springframework.http.converter.json.Jackson2ObjectMapperFactoryBean">
<property name="failOnEmptyBeans" value="false"/>
</bean>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>