cxf配置xml文件

[村服第一]

<bean id="UserService" class="com.yiyuan.park.webservices.impl.WSUserService" >
</bean>
<jaxrs:server id="UserServer" address="/park">
<jaxrs:serviceBeans>
<ref bean="UserService" />
</jaxrs:serviceBeans>
<jaxrs:providers>
<ref bean="crossOriginResource" />
<ref bean="jsonProvider" />
</jaxrs:providers>
<jaxrs:extensionMappings>
<entry key="json" value="application/json" />
</jaxrs:extensionMappings>
<jaxrs:languageMappings>
<entry key="en" value="en-gb" />
</jaxrs:languageMappings>
</jaxrs:server>
这些是什么意思，代表什么含义，越详细越好