<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>配置Json处理工具包
原文地址：https://www.cnblogs.com/yikuan-919/p/9704288.html