@ResponseBody的相关配置

	<!--配置responsebody返回使用的字符集,也可以在requestMapping中配置producer属性-->
	<mvc:annotation-driven>
		<mvc:message-converters>
			<bean class="org.springframework.http.converter.StringHttpMessageConverter">
				<property name="supportedMediaTypes">
					<list>
						<value>application/json;charset=UTF-8</value>
					</list>
				</property>
			</bean>
		</mvc:message-converters>
	</mvc:annotation-driven>

	<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
		<property name="messageConverters">
			<list>
				<bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter"/><!-- 解析导出文件byte流 -->
				<ref bean="fastJsonHttpMessageConverter" />
				<!-- <ref bean="mappingJacksonHttpMessageConverter" /> -->
			</list>
		</property>
	</bean>
	<!--<bean id="mappingJacksonHttpMessageConverter"
		class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
	</bean>-->

	<!-- 使用fastJson来支持JSON数据格式 -->
	<bean id="fastJsonHttpMessageConverter" class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
		<property name="supportedMediaTypes">
			<list>
				<value>text/html;charset=UTF-8</value>
				<value>application/json</value>
			</list>
		</property>
		<property name="features">
			<list>
				<value>WriteMapNullValue</value>
				<value>QuoteFieldNames</value>
			</list>
		</property>
	</bean>