原文链接：https://www.cnblogs.com/xuwenjin/p/8976696.html

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

    <arti factId>j ackson-databind</arti factId>

      <version>2.8.3</version>

</ dependency>

https://www.cnblogs.com/xuwenjin/p/8976696.html