配置Json处理工具包

<properties>
    <jackson.version>2.4.2</jackson.version>
</properties>

<dependencyManagement>
    <dependencies>
        <!-- Jackson Json处理工具包 -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>${jackson.version}</version>
        </dependency>
    </dependencies>
</dependencyManagement>