spring MVC @ResponseBody AJAX中文乱码处理

关注红色字体

配置一:

<!-- 启动SpringMVC的注解功能,完成请求和注解POJO的映射 --> 
 <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
        <property name="messageConverters">
            <list>
                <ref bean="stringHttpMessageConverter" />
                <ref bean="jsonHttpMessageConverter" />
    <!-- <ref bean="marshallingHttpMessageConverter" /> -->
            </list>
        </property>
    </bean>
    
    <bean id="stringHttpMessageConverter" class="org.springframework.http.converter.StringHttpMessageConverter" >
     <property name = "supportedMediaTypes">    
                     <list>    
                         <value>text/plain;charset=UTF-8</value>    
                     </list>    
                </property>  
    </bean> 
    <bean id="jsonHttpMessageConverter"  
        class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">  
        <property name="supportedMediaTypes">  
            <list>  
                <value>application/json</value>  
            </list>  
        </property>  
    </bean>
    
 <!-- Configures support for @Controllers -->
 <mvc:annotation-driven/>  
 <mvc:default-servlet-handler />

配置二:

@RequestMapping(value="/sys/functiontree",produces="text/plain;charset=UTF-8")
 @ResponseBody
 public String getTreeData()

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