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  • springmvc和json整合配置方法

    出处: https://www.cnblogs.com/gxz-sw/p/6860447.html

    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> 

    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>

    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>
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  • 原文地址:https://www.cnblogs.com/But-you/p/10677606.html
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