springmvc和json整合配置方法

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配置方法一

**1、导入第三方的jackson包，jackson-mapper-asl-1.9.7.jar和jackson-core-asl-1.9.7.jar。
2、spring配置文件添加**

 <mvc:annotation-driven/><!-- 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.MappingJacksonHttpMessageConverter">          <property name="supportedMediaTypes">              <list>                  <value>text/html;charset=UTF-8</value>              </list>          </property>      </bean>      <!-- 启动Spring MVC的注解功能，完成请求和注解POJO的映射 -->      <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">          <property name="messageConverters">              <list>                  <ref bean="mappingJacksonHttpMessageConverter" /><!-- json转换器 -->              </list>          </property>      </bean> 1
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配置方案二(常用)

**1、导入第三方的fastjson包，fastjson-1.1.34.jar
2、Spring配置文件添加：**

  <mvc:annotation-driven>        <mvc:message-converters register-defaults="true">            <!-- 避免IE执行AJAX时,返回JSON出现下载文件 -->            <bean id="fastJsonHttpMessageConverter" class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">                <property name="supportedMediaTypes">                    <list>                        <value>application/json;charset=UTF-8</value>                    </list>                </property>            </bean>        </mvc:message-converters>    </mvc:annotation-driven>1
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配置方案三

* 1、需要导入 jackson-annotations-*.jar,jackson-core-.jar,jackson-databind-.jar
2、在spring中添加配置**

  <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping" />    <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">        <property name="messageConverters">            <list>                <bean class="org.springframework.http.converter.StringHttpMessageConverter">                    <property name="supportedMediaTypes">                        <list>                            <value>text/html; charset=UTF-8</value>                            <value>application/json;charset=UTF-8</value>                        </list>                    </property>                </bean>                <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">                    <property name="supportedMediaTypes">                        <list>                            <value>text/html; charset=UTF-8</value>                            <value>application/json;charset=UTF-8</value>                        </list>                    </property>                </bean>            </list>        </property>    </bean>1
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下载地址:http://download.csdn.net/detail/l3922768721/9543001

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