SpringMVC+fastjson配置

SpringMVC 4.2以下版本配置fastjson
<mvc:annotation-driven>
        <mvc:message-converters register-defaults="true">
            <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
                <property name="supportedMediaTypes">
                    <list>
                        <value>text/html;charset=UTF-8</value>
                        <value>application/json</value> 
			<value>application/xml;charset=UTF-8</value>  
                    </list>
                </property>
                <property name="features">
                    <list>
                        <value>WriteMapNullValue</value>
                        <value>QuoteFieldNames</value>
                        <value>WriteDateUseDateFormat</value>
                    </list>
                </property>
            </bean>
     </mvc:message-converters>
</mvc:annotation-driven>
spring mvc 4.2以上版本配置fastjson
<mvc:annotation-driven>
        <mvc:message-converters register-defaults="true">
            <ref bean="stringHttpMessageConverter" />  
            <ref bean="fastJsonHttpMessageConverter" />  
        </mvc:message-converters>
    </mvc:annotation-driven>
    
    <bean id="stringHttpMessageConverter"  
        class="org.springframework.http.converter.StringHttpMessageConverter">  
        <constructor-arg value="UTF-8" index="0"></constructor-arg>
        <property name="supportedMediaTypes">  
            <list>  
                <value>text/plain;charset=UTF-8</value>  
            </list>  
        </property>  
    </bean>
    
    <bean id="fastJsonHttpMessageConverter" class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter4">
        <property name="supportedMediaTypes">
            <list>
                <value>text/html;charset=UTF-8</value>
                <value>application/json;charset=UTF-8</value> 
            </list>
        </property>
        <property name="fastJsonConfig">
        	<bean class="com.alibaba.fastjson.support.config.FastJsonConfig">
        		<property name="features">
	        		<list>
		                <value>AllowArbitraryCommas</value>
		                <value>AllowUnQuotedFieldNames</value>
		                <value>DisableCircularReferenceDetect</value>
		            </list>
        		</property>
        		<property name="dateFormat" value="yyyy-MM-dd HH:mm:ss"></property>
        	</bean>
        </property>
    </bean>