json转换器映射文件配置

//MappingJacksonHttpMessageConverter转换器，将对象转为json响应给浏览器 ：

 1 <mvc:annotation-driven>
 2         <mvc:message-converters>
 3             <bean class="org.springframework.http.converter.StringHttpMessageConverter">
 4                 <!-- <constructor-arg ref="utf8Charset"/> -->
 5                  <!-- <property name="supportedMediaTypes" value = "text/plain;charset=UTF-8" /> -->
 6                  <property name="writeAcceptCharset" value="false" /><!-- 用于避免响应头过大 --> 
 7                  <property name = "supportedMediaTypes">
 8                     <list>
 9                         <value>text/plain;charset=UTF-8</value>   
10                         <value>text/html;charset=UTF-8</value>   
11 <!--                         <value>text/json;charset=UTF-8</value>    -->
12                     </list>   
13                  </property>
14             </bean>
15             <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
16                  <property name = "supportedMediaTypes">
17                     <list>
18                         <value>text/json;charset=UTF-8</value>   
19                     </list>   
20                  </property>
21                 
22             </bean>
23         </mvc:message-converters>
24     </mvc:annotation-driven>