org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read

使用SSH框架做保存操作时，忘记加事务，报了以下错误：
org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode (FlushMode.MANUAL): Turn your Session into FlushMode.COMMIT/AUTO or remove ‘readOnly’ marker from transaction definition.

加入事务注解，问题解决：