用于Json的序列化(serialization)和反序列化(deserialization)。
Jackson包含三个包jackson-core、jackson-annotation、jackson-databind，作用如下
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.0</version>
</dependency>
标签：jackson,jar,databind,json,Jackson,序列化 From： https://www.cnblogs.com/4444Murphy/p/17381418.html