聆听客户的需求

8(requirementelicitation)148.1open-ended,,1.2.3.4.5.6.7.8.9.10.11.12.13.14.6~13GauseWeinberg1989close-end7KielandCarmel1995MISBeyerandHoltzblatt[1998]WoodandSilver[1995]McGrawandHarbison[1997]buy-in(item)8618.2McGrawandHarbison1997IvarJacobson1992(use-case)Regnell,KimblerandWesslen1995;Booth,RumbaughandJacobson1999(actor)Cockburn1997ab8.2.1scenario(normalcourse)(happypath)8-1UML62Booth,RumbaughandJacobson1999extendinclude8-1(alternativecoruse)8-2(extend)8-1Rumbaugh19948-1863extendinclude8-2Step1Step2Step3Step4Step5Step3cStep3bStep3aexception8.2.2Ham1998;Larman1998••••23(Workshop)kielandCarmel1995238-364CU5TimJanice10/410/27ID1.2.1.2.51005.01.ID2.ID3.4.5.5.15.15.0.42.1.3.5.E.13.1.2.4.UC-12Tim11/48-38658-48-4(interactiondiagram)10(actor-syetem)6614(investment)8.2.3Arlow1998551.2.SRS193.8.2.4867WebWeb8.2.5••duplicationaccross••9•688.38-58-51)x%$YZ2)3)4)5)869116)••••7)••••8)500009)8.4ChristerandKang199270DebbieWeb12668.5••••••8-5•8-3•871