能源项目xml文件标签释义--<mvc:annotation-driven>

<mvc:annotation-driven />的可选配置

<mvc:annotation-driven  message-codes-resolver ="bean ref" validator="" conversion-service="">
   
     <mvc:return-value-handlers>
        <bean></bean>
    </mvc:return-value-handlers>
    
    <mvc:argument-resolvers>
    </mvc:argument-resolvers>
    
    <mvc:message-converters>
    </mvc:message-converters>[/color]
</mvc:annotation-driven>

 <mvc:annotation-driven/>相当于注册了DefaultAnnotationHandlerMapping和AnnotationMethodHandlerAdapter两个bean，配置一些messageconverter。即解决了@Controller注解的使用前提配置。