解决 JDK 9 以上没有 JAXB API 的问题

<dependency> <groupId></groupId> <artifactId>jaxb-api</artifactId> <version>2.3.0</version> </dependency> <dependency> <groupId></groupId> <artifactId>jaxb-impl</artifactId> <version>2.3.0</version> </dependency> <dependency> <groupId></groupId> <artifactId>jaxb-core</artifactId> <version>2.3.0</version> </dependency> <dependency> <groupId></groupId> <artifactId>activation</artifactId> <version>1.1.1</version> </dependency>