data source tier 中文意思是什麼
data source tier
解釋
數據源層-
An object data source represents a middle - tier business object with data retrieval and update capabilities
對象數據源表示具有數據檢索和更新功能的中間層業務對象。 -
The middle tier component then updates the original data source with the changes through stored procedures
然後,中間層組件將通過存儲過程,用更改更新原始數據源。 -
In addition, we use dao and vo patterns in this system, they both are j2ee patterns. dao and vo can encapsulate data and data accessing, they provide unified method to controller tier, they screen data source and translate data source to java objects
使用dao和vo進行數據的封裝和數據訪問的抽象,向邏輯層提供統一的處理方法,屏蔽底層數據源,將數據庫的結構映射為java的對象。 -
Data source tier
資料來源層
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