pom文件里加

<plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-resources-plugin</artifactId><version>3.1.0</version><configuration><nonFilteredFileExtensions><nonFilteredFileExtension>xlsx</nonFilteredFileExtension><nonFilteredFileExtension>pdf</nonFilteredFileExtension></nonFilteredFileExtensions></configuration>
</plugin>