这里是一些文档：

http://confluence.highsource.org/display/HJ3/Making+schema-
derived+classes+ready+for+JPA

http://java.net/projects/hyperjaxb

这是我已完成的项目的工作示例：

  <plugin>
    <groupId>org.jvnet.jaxb2.maven2</groupId>
    <artifactId>maven-jaxb2-plugin</artifactId>
    <version>0.7.4</version>
    <dependencies>
                  <dependency>
                          <groupId>org.jvnet.hyperjaxb3</groupId>
                          <artifactId>hyperjaxb3-ejb-plugin</artifactId>
                          <version>0.5.5</version>
                  </dependency>
            </dependencies>
    <executions>
      <execution>
        <id>generate-domain1</id>
        <goals>
          <goal>generate</goal>
        </goals>
        <configuration>
          <strict>false</strict>
          <schemaIncludes>
            <value>account.xsd</value>
            <value>customer.xsd</value>
            <value>address.xsd</value>
          </schemaIncludes>
          <bindingIncludes>
            <include>domain-bindings.xjb</include>
          </bindingIncludes>
          <extension>true</extension>
          <generatePackage>your.package.here</generatePackage>
          <generateDirectory>${project.build.directory}/generated-sources/jaxbandjpa</generateDirectory>
          <args>
            <arg>-Xannotate</arg>
            <arg>-Xhyperjaxb3-ejb</arg>
           </args>                  
           <plugins>
            <plugin>
              <groupId>org.jvnet.jaxb2_commons</groupId>
              <artifactId>jaxb2-basics</artifactId>
              <version>0.6.0</version>
            </plugin>
            <plugin>
              <groupId>org.jvnet.jaxb2_commons</groupId>
              <artifactId>jaxb2-basics-annotate</artifactId>
              <version>0.6.0</version>
            </plugin>
          </plugins>
        </configuration>
      </execution>
    </executions>
  </plugin>

希望能帮助到你