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JPA Entity Classes and Session Beans

JPA Entity Classes and Session Beans. Entity Classes?. Entity Classes represent Database Tables. Session Beans?. Session Beans contain Business Logic. persistence.xml. persistence.xml. session beans. init () 메소드는 ‘categories’ 변수 정의합니다. ServletContext 은 ‘Application’ 영역 입니다.

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JPA Entity Classes and Session Beans

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  1. JPA Entity ClassesandSession Beans

  2. Entity Classes? Entity Classes represent Database Tables Session Beans? Session Beans contain Business Logic

  3. persistence.xml

  4. persistence.xml

  5. session beans

  6. init() 메소드는 ‘categories’ 변수 정의합니다 ServletContext은 ‘Application’ 영역 입니다

  7. Delete jstl sql tag In index.jsp:

  8. In web.xml... 삭재:

  9. category page의 필요한것들 • category data (left column 위해) • 선택 됀 category • 선택 됀 category의 product data

  10. change:

  11. In the servlet:

  12. request 영역에 변수를 만들다

  13. change: In category.jsp

  14. In servlet:

  15. In servlet:

  16. In category.jsp:

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