Spring data JPA與實體類的映射

1、映射數據庫的實體java   1. 經過註解@javax.persistence.Table(name = "table_name", catalog = "db_name")來映射spring   2. 經過註解@javax.persistence.Entity來注入成一個bean數據庫   3. 經過註解@javax.persistence.Column(name = "category_

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