您可以使用Build Helper插件，例如：
<project> ... <build> <plugins> <plugin> <groupId>org.prehaus.mojo</groupId> <artifactId>build-helper-maven-plugin</artifactId> <version>1.7</version> <executions> <execution> <id>add-source</id> <phase>generate-sources</phase> <goals> <goal>add-source</goal> </goals> <configuration> <sources> <source>some directory</source> ... </sources> </configuration> </execution> </executions> </plugin> </plugins> </build></project>
