1. Mod02 Requirements
需求分析
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2. 課程大綱
·•需求階段主要目標
·•企業流程
·•軟體功能
·•軟體 操作流程/運作流程
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3. 需求階段主要目標
·•了解軟體範疇
·•功能面需求（FRs）
·•非功能面需求（NFRs）
·•應產出需求規格書
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4. 企業流程
·•流程導向 / 狀態導向
·•了解軟體定位
·•可以使用Activity / State Machine diagram
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6. 軟體功能
·•功能面需求
·•Initial Use case diagram
·•Use case diagram refinement
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7. Use case diagram
• A use case is a contract of an interaction between
the system and an actor.
• A full use-case model comprise of:
– A diagram, describing relations between use-cases and
actors.
– A document describing the use case in details
• Focus “WHAT”
Use Case
Use case in diagram Use Case in scriptActor
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8. 8
Humans MachinesExternal systems Sensors
Database PrinterOrganizational Units
參與者 Actors
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9. Lab2.1 Initial diagram
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10. 10
Actors generalization
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11. Use case relations
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12. Lab2.2 Refinement
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13. 軟體
操作流程/運作流程
·•Interaction overview diagram
·•Activity diagram
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14. Activity diagram
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15. Lab2.3 Activity diagram
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16. Lab2.4 Activity diagram
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17. Interaction overview
diagram
·•JUDE 不支援
·•以 Call Action 取代
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