mybatis-plus自动填充时间

@Component
public class MyMetaObjectHandler implements MetaObjectHandler {
    @Override

    public void insertFill(MetaObject metaObject) {
        this.setFieldValByName("gmtCreate",new Date(),metaObject);
        this.setFieldValByName("gmtModified",new Date(),metaObject);
    }

    @Override
    public void updateFill(MetaObject metaObject)
    {
        this.setFieldValByName("gmtModified",new Date(),metaObject);
    }
}