tk Mapper Oracle数据库和Mysql数据库插入时返回主键

@Id
@GeneratedValue(strategy = GenerationType.IDENTITY, generator="SELECT F_DEMO_SEQ.NEXTVAL FROM DUAL")
private Long id;

@Id
@GeneratedValue(generator="JDBC")
private Long id;

<bean class="tk.mybatis.spring.mapper.MapperScannerConfigurer">  
    <property name="basePackage" value="com.wjz.mapper"/>  
    <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    <property name="properties">  
        <value>  
            mappers=tk.mybatis.mapper.common.Mapper  
            ORDER=BEFORE  
        </value>  
    </property>  
</bean>