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FastJson-整合springmvc|

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# 普通转换器

FastJsonHttpMessageConverter

FastJsonHttpMessageConverter4

# 支持JSONP的转换器

FastJsonpHttpMessageConverter4

* 需要配置 FastJsonpResponseBodyAdvice 来指定JSONP的请求参数

<mvc:annotation-driven>

<mvc:message-converters register-defaults="true">

<bean class="com.alibaba.fastjson.support.spring.FastJsonpHttpMessageConverter4">

<property name="supportedMediaTypes">

<list>

<value>application/json</value>

</list>

</property>

<property name="fastJsonConfig">

<bean class="com.alibaba.fastjson.support.config.FastJsonConfig">

<property name="charset" value="UTF-8"/>

<property name="serializerFeatures">

<array>

<!-- 输出null字段 -->

<value>WriteMapNullValue</value>

<!-- 输出key使用双引号 -->

<value>QuoteFieldNames</value>

<!-- 空集合输出[] -->

<value>WriteNullListAsEmpty</value>

</array>

</property>

<!-- 日期格式 -->

<property name="dateFormat" value="yyyy-MM-dd HH:mm:ss"/>

</bean>

</property>

</bean>

</mvc:message-converters>

</mvc:annotation-driven>

<!-- jsonp 跨域 支持-->

<bean class="com.alibaba.fastjson.support.spring.FastJsonpResponseBodyAdvice">

<constructor-arg>

<list>

<value>callback</value>

<value>jsonp</value>

</list>

</constructor-arg>

</bean>