转自:https://www.cnblogs.com/ermei/p/5887684.html
json-lib提供了两个jdk版本的实现, json-lib-2.1-jdk13.jar和json-lib-2.1-jdk15.jar
<dependency>
<groupId>net.sf.json-lib</groupId>
<artifactId>json-lib</artifactId>
<version>2.4</version>
<classifier>jdk15</classifier>
</dependency>