使用maven

正确的解决方案是，生成的源应该位于目标文件夹中，并且不应放入源文件夹或SCM系统中。

当然，通过将生成的源代码放置到目标中，您将在IDE中遇到问题，因为找不到相关的代码。因此，您可以添加build-helper-maven-
plugin以从目标目录动态添加文件夹。

<plugin>    <groupId>org.bsc.maven</groupId>    <artifactId>maven-processor-plugin</artifactId>    <executions>        <execution> <id>process</id> <goals>     <goal>process</goal> </goals> <phase>generate-sources</phase> <configuration>     <!-- source output directory -->     <outputDirectory>${project.build.directory}/generated-sources/java/jpametamodel</outputDirectory>     <processors>         <processor>org.hibernate.jpamodelgen.JPAmetaModelEntityProcessor</processor>     </processors>     <overwrite>true</overwrite> </configuration>        </execution>    </executions></plugin><plugin>    <groupId>org.prehaus.mojo</groupId>    <artifactId>build-helper-maven-plugin</artifactId>    <executions>        <execution> <id>add-source</id> <phase>generate-sources</phase> <goals>     <goal>add-source</goal> </goals> <configuration>     <sources>         <source>${project.build.directory}/generated-sources/java/jpametamodel</source>     </sources> </configuration>        </execution>    </executions> </plugin>