org.springframework.dao.InvalidDataAccessApiUsageException: object references an unsaved transient instance - save the transient instance before flushing: com.zs.entity.GuahaodanEntity; nested excepti

必须先将一的一方先保存解除持久化状态，才可以再保存多的一方

注意保存顺序就好了

org.springframework.dao.InvalidDataAccessApiUsageException: object references an unsaved transient instance - save the transient instance before flushing: com.zs.entity.GuahaodanEntity; nested excepti

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