Example:
</plugin>
<plugin>
<groupId>org.jvnet.jaxb2.maven2</groupId>
<artifactId>maven-jaxb2-plugin</artifactId>
<version>0.7.1</version>
<executions>
<execution>
<goals>
<goal>generate</goal>
</goals>
</execution>
</executions>
<configuration>
<schemaDirectory>src/main/resources/dir1</schemaDirectory>
<schemaIncludes>
<include>schema1.xsd</include>
</schemaIncludes>
<generatePackage>schema1.package</generatePackage>
</configuration>
</plugin>
<plugin>
<groupId>org.jvnet.jaxb2.maven2</groupId>
<artifactId>maven-jaxb2-plugin</artifactId>
<version>0.7.1</version>
<executions>
<execution>
<goals>
<goal>generate</goal>
</goals>
</execution>
</executions>
<configuration>
<schemaDirectory>src/main/resources/dir2</schemaDirectory>
<schemaIncludes>
<include>schema2.xsd</include>
</schemaIncludes>
<generatePackage>schema2.package</generatePackage>
</configuration>
</plugin>
</plugins>
发生了什么：
Maven 执行第一个插件。然后删除目标文件夹并创建第二个包，该包随后可见。
我尝试为第一个配置设置 target/somedir1 ，为第二个配置设置 target/somedir2 。但行为不是没有改变吗？有任何想法吗？我不想直接在 src/main/java 文件夹中生成包，因为这些包是生成的，不应该与手动创建的类混合。
我必须指定不同的generateDirectory（如果没有这个，插件会认为文件是最新的，并且在第二次执行期间不会生成任何内容）。我建议遵循target/generated-sources/<tool>生成源的约定，以便它们自动导入到您最喜欢的 IDE 中。我还建议声明几个execution而不是声明插件两次（并移动configuration每个里面execution元素）：
<plugin>
<groupId>org.jvnet.jaxb2.maven2</groupId>
<artifactId>maven-jaxb2-plugin</artifactId>
<version>0.7.1</version>
<executions>
<execution>
<id>schema1-generate</id>
<goals>
<goal>generate</goal>
</goals>
<configuration>
<schemaDirectory>src/main/resources/dir1</schemaDirectory>
<schemaIncludes>
<include>shiporder.xsd</include>
</schemaIncludes>
<generatePackage>com.stackoverflow.package1</generatePackage>
<generateDirectory>${project.build.directory}/generated-sources/xjc1</generateDirectory>
</configuration>
</execution>
<execution>
<id>schema2-generate</id>
<goals>
<goal>generate</goal>
</goals>
<configuration>
<schemaDirectory>src/main/resources/dir2</schemaDirectory>
<schemaIncludes>
<include>books.xsd</include>
</schemaIncludes>
<generatePackage>com.stackoverflow.package2</generatePackage>
<generateDirectory>${project.build.directory}/generated-sources/xjc2</generateDirectory>
</configuration>
</execution>
</executions>
</plugin>
通过此设置，我在执行后得到以下结果mvn clean compile
$ tree target/
target/
├── classes
│ ├── com
│ │ └── stackoverflow
│ │ ├── App.class
│ │ ├── package1
│ │ │ ├── ObjectFactory.class
│ │ │ ├── Shiporder.class
│ │ │ ├── Shiporder$Item.class
│ │ │ └── Shiporder$Shipto.class
│ │ └── package2
│ │ ├── BookForm.class
│ │ ├── BooksForm.class
│ │ ├── ObjectFactory.class
│ │ └── package-info.class
│ ├── dir1
│ │ └── shiporder.xsd
│ └── dir2
│ └── books.xsd
└── generated-sources
├── xjc
│ └── META-INF
│ └── sun-jaxb.episode
├── xjc1
│ └── com
│ └── stackoverflow
│ └── package1
│ ├── ObjectFactory.java
│ └── Shiporder.java
└── xjc2
└── com
└── stackoverflow
└── package2
├── BookForm.java
├── BooksForm.java
├── ObjectFactory.java
└── package-info.java
这似乎是预期的结果。
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