user interface design

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1、Userinterfacedesign用户界面设计Designingeffectiveinterfacesforsoftwaresystems设计高效界面Objectives教学目的Tosuggestsomegeneraldesignprinciplesforuserinterfacedesign界面设计原则ToexplaindifferentinteractionstylesTointroducestylesofinformationpresentationTodescribetheusersupportwhichshouldbeb

2、uilt-intouserinterfaces帮助系统Tointroduceusabilityattributesandsystemapproachestosystemevaluation评估Topicscovered主要内容Userinterfacedesignprinciples设计原则Userinteraction交互Informationpresentation信息表示Usersupport用户支持Interfaceevaluation界面评估TheImportanceofuserinterface用户界面重要性Systemus

3、ersoftenjudgeasystembyitsinterfaceratherthanitsfunctionalityApoorlydesignedinterfacecancauseausertomakecatastrophicerrorsPooruserinterfacedesignisthereasonwhysomanysoftwaresystemsareneverusedGraphicaluserinterfaces图形用户界面Mostusersofbusinesssystemsinteractwiththesesyste

4、msthroughgraphicalinterfacesalthough,insomecases,legacytext-basedinterfacesarestillused当今流行方式GUIadvantages图形用户界面的优点Theyareeasytolearnanduse.Theusermayswitchquicklyfromonetasktoanotherandcaninteractwithseveraldifferentapplications.Fast,full-screeninteractionispossiblewit

5、himmediateaccesstoanywhereonthescreenUIdesignprinciples用户界面设计原则UIdesignmusttakeaccountoftheneeds,experienceandcapabilitiesofthesystemusersDesignersshouldbeawareofpeople’sphysicalandmentallimitations(e.g.limitedshort-termmemory)andshouldrecognisethatpeoplemakemistakesUIde

6、signprinciplesunderlieinterfacedesignsalthoughnotallprinciplesareapplicabletoalldesignsDesignprinciples设计原则123Userfamiliarity用户熟悉Consistency一致性Minimalsurprise不意外Designprinciples设计原则456Recoverability可撤消Userguidance用户指导Userdiversity用户多样性：残疾人Interactionstyles交互方式Directmanip

7、ulation直接操作Menuselection菜单选择Formfill-in表格填写Commandlanguage命令语言Naturallanguage自然语言Informationpresentation信息表示Staticinformation静态方式Dynamicinformation动态方式AlternativeinformationpresentationsAnaloguevs.digitalpresentationDigitalpresentation数字显示Compact-takesuplittlescreenspace

8、PrecisevaluescanbecommunicatedAnaloguepresentation模拟显示Easiertogetan'ataglance'impressionofavaluePossibl