解决Json下载的问题

web常见问题

# spring-mvc.xml

<!-- 解决json下载问题 -->
<bean
        class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"
        p:ignoreDefaultModelOnRedirect="true">
        <property name="messageConverters">
            <list>
                <bean
                    class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"
                    p:supportedMediaTypes="text/html; charset=utf-8" />
            </list>
        </property>
</bean>

# spring-mvc.xml

<mvc:annotation-driven>
        <mvc:message-converters>
            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                <property name="supportedMediaTypes">
                    <list>
                        <value>text/plain;charset=UTF-8</value>
                        <value>text/html;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>
                    </list>
                </property>
            </bean>
        </mvc:message-converters>
</mvc:annotation-driven>