在项目pom.xml文件中添加如下配置:
<build>
<resources>
<resource>
<!--idea 中需要将src-main-java下的其它文件类型手工加入到maven目标-->
<directory>${basedir}/src/main/java</directory>
<includes>
<include>**/*.fxml</include>
<include>**/*.xml</include>
</includes>
</resource>
</resources>
</build>
原文:https://www.cnblogs.com/Qcls/p/12791954.html