springmvc: 普通list数据输出json

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加入json依赖

 <dependency>

            <groupId>com.fasterxml.jackson.core</groupId>

            <artifactId>jackson-core</artifactId>

            <version>2.7.3</version>

        </dependency>

        <dependency>

            <groupId>com.fasterxml.jackson.core</groupId>

            <artifactId>jackson-databind</artifactId>

            <version>2.7.3</version>

        </dependency>

        <dependency>

            <groupId>com.fasterxml.jackson.core</groupId>

            <artifactId>jackson-annotations</artifactId>

            <version>2.7.3</version>

        </dependency>

spring-servlet.xml的bean配置

<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">

		<property name="messageConverters">

			<list>

				<ref bean="mappingJacksonHttpMessageConverter" />

			</list>

		</property>

	</bean>

	<bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">

		<property name="supportedMediaTypes">

			<list>

				<value>application/json;charset=UTF-8</value>

			</list>

		</property>

	</bean>