<!-- 配置路径扩展名映射的媒体类型 -->      <bean name="pathExtensionContentNegotiationStrategy"          class="org.springframework.web.accept.PathExtensionContentNegotiationStrategy">          <constructor-arg>              <props>                  <!-- if romePresent -->                  <prop key="atom">application/atom+xml</prop>                  <prop key="rss">application/rss+xml</prop>                  <!-- endif -->                  <!-- if jackson2Present || jacksonPresent -->                  <prop key="json">application/json</prop>                  <!-- endif -->                  <!-- if jaxb2Present -->                  <prop key="xml">application/xml</prop>                  <!-- endif -->              </props>          </constructor-arg>      </bean>        <!-- 配置映射媒体类型的策略 -->      <bean name="mvcContentNegotiationManager"          class="org.springframework.web.accept.ContentNegotiationManager">          <constructor-arg>              <list>                  <ref bean="pathExtensionContentNegotiationStrategy" />              </list>          </constructor-arg>      </bean>        <!-- 配置方法级别的@RequestMapping处理器 -->      <bean name="requestMappingHandlerMapping"          class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping">          <property name="order" value="0" />          <property name="contentNegotiationManager" ref="mvcContentNegotiationManager" />      </bean>        <!-- 配置数据转换服务，默认使用格式化数据转换服务，可以对日期和数字进行格式化 -->      <bean name="conversionService"          class="org.springframework.format.support.DefaultFormattingConversionService">          <constructor-arg index="0">              <null></null>          </constructor-arg>          <constructor-arg index="1">              <value>true</value>          </constructor-arg>      </bean>        <bean name="validator"          class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean"></bean>        <!-- 配置数据绑定，通过转换服务实现绑定，如果包含jsr303实现还将进行校验 -->      <bean name="webBindingInitializer"          class="org.springframework.web.bind.support.ConfigurableWebBindingInitializer">          <property name="conversionService" ref="conversionService" />          <!-- if jsr303Present -->          <property name="validator" ref="validator" />          <!-- endif -->      </bean>        <bean name="byteArrayHttpMessageConverter"          class="org.springframework.http.converter.ByteArrayHttpMessageConverter"></bean>      <bean name="stringHttpMessageConverter"          class="org.springframework.http.converter.StringHttpMessageConverter">          <property name="writeAcceptCharset" value="false" />      </bean>      <bean name="resourceHttpMessageConverter"          class="org.springframework.http.converter.ResourceHttpMessageConverter"></bean>      <bean name="sourceHttpMessageConverter"          class="org.springframework.http.converter.xml.SourceHttpMessageConverter"></bean>      <bean name="allEncompassingFormHttpMessageConverter"          class="org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter"></bean>      <bean name="atomFeedHttpMessageConverter"          class="org.springframework.http.converter.feed.AtomFeedHttpMessageConverter"></bean>      <bean name="rssChannelHttpMessageConverter"          class="org.springframework.http.converter.feed.RssChannelHttpMessageConverter"></bean>      <bean name="jaxb2RootElementHttpMessageConverter"          class="org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter"></bean>      <bean name="mappingJackson2HttpMessageConverter"          class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"></bean>      <bean name="mappingJacksonHttpMessageConverter"          class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"></bean>        <!-- 配置@RequestBody，@ResponseBody注解可用的转换器 -->      <util:list id="messageConverters"          list-class="org.springframework.beans.factory.support.ManagedList.ManagedList">          <ref bean="byteArrayHttpMessageConverter" />          <ref bean="stringHttpMessageConverter" />          <ref bean="resourceHttpMessageConverter" />          <ref bean="sourceHttpMessageConverter" />          <ref bean="allEncompassingFormHttpMessageConverter" />          <!-- if romePresent -->          <ref bean="atomFeedHttpMessageConverter" />          <ref bean="rssChannelHttpMessageConverter" />          <!-- endif -->          <!-- if jaxb2Present -->          <ref bean="jaxb2RootElementHttpMessageConverter" />          <!-- endif -->          <!-- if jackson2Present -->          <ref bean="mappingJackson2HttpMessageConverter" />          <!-- endif -->          <!-- if jacksonPresent -->          <ref bean="mappingJacksonHttpMessageConverter" />          <!-- endif -->      </util:list>        <!-- 将任意类型的Controller适配为Handler -->      <bean name="requestMappingHandlerAdapter"          class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">          <property name="contentNegotiationManager" ref="mvcContentNegotiationManager" />          <property name="webBindingInitializer" ref="webBindingInitializer" />          <property name="messageConverters" ref="messageConverters" />      </bean>        <!-- 这个拦截器暴露转换器服务让spring:bind和spring:eval标签可用 -->      <bean name="csInterceptor"          class="org.springframework.web.servlet.handler.ConversionServiceExposingInterceptor">          <constructor-arg index="0">              <ref bean="conversionService" />          </constructor-arg>      </bean>        <!-- 现在所有拦截器都必须设定响应的路径映射 -->      <bean name="mappedCsInterceptor"          class="org.springframework.web.servlet.handler.MappedInterceptor">          <constructor-arg index="0">              <null></null>          </constructor-arg>          <constructor-arg index="1">              <ref bean="csInterceptor" />          </constructor-arg>      </bean>        <!-- 使用@ExceptionHandler注解的方法来处理Exception，优先级为0（最高） -->      <bean name="exceptionHandlerExceptionResolver"          class="org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver">          <property name="contentNegotiationManager" ref="mvcContentNegotiationManager" />          <property name="messageConverters" ref="messageConverters" />          <property name="order" value="0" />      </bean>        <!-- 如果抛出的Exception类带有@ResponseStatus注解，响应返回该注解的Http状态码，优先级为1 -->      <bean name="responseStatusExceptionResolver"          class="org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver">          <property name="order" value="1" />      </bean>        <!-- SpringMvc内部异常处理 -->      <bean name="defaultExceptionResolver"          class="org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver">          <property name="order" value="2" />      </bean>