<!-- 避免IE执行AJAX时,返回JSON出现下载文件 -->
<bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
   <property name="supportedMediaTypes">
      <list>
         <value>text/html;charset=UTF-8</value>
      </list>
   </property>
</bean>