springmvc和json整合配置方法

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/>

  
    <bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">  
        <property name="supportedMediaTypes">  
            <list>  
                <value>text/html;charset=UTF-8value>  
            list>  
        property>  
    bean>  

      
    <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">  
        <property name="messageConverters">  
            <list>  
                <ref bean="mappingJacksonHttpMessageConverter" />  
            list>  
        property>  
    bean> 

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">
            
            <bean id="fastJsonHttpMessageConverter" class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
                <property name="supportedMediaTypes">
                    <list>
                        <value>application/json;charset=UTF-8value>
                    list>
                property>
            bean>
        mvc:message-converters>
    mvc:annotation-driven>

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-8value>
                            <value>application/json;charset=UTF-8value>
                        list>
                    property>
                bean>
                <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
                    <property name="supportedMediaTypes">
                        <list>
                            <value>text/html; charset=UTF-8value>
                            <value>application/json;charset=UTF-8value>
                        list>
                    property>
                bean>
            list>
        property>
    bean>

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