基于MATLAB-GUI的簡單計算器

1、題目：計算器完成一個簡單的計算器。要求（但不限于）：GUI 上具有數(shù)字鍵盤輸入?yún)^(qū)域，能夠進行加、減、乘、除、三角函數(shù)等基礎(chǔ)運算。界面簡潔、美觀可能需要的控件：PushButtonEditTextPop-upMenu1功能介紹本程序是一個簡單的計算器程序，使用 MATLAB 軟件編寫完成。主要具有加、減、乘、除、三角函姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044基于MATLAMATLA-GUI-GUI的簡單計算器設(shè)計圖 1 程序的交互界面1 1/2424數(shù)等基礎(chǔ)運算，并通過 GUI 進行程序使用的交互。程序交互界面如下:2功能實現(xiàn)首先用 MATLABGUI 功能，在繪制一個動

2、態(tài)文本框和一個文本編輯框，以及 25 個命令按鈕，調(diào)整好各控件大小、顏色，整體布局如圖所示：備注：軟件版本：MATLABR2011bMATLABR2011b2.12.1布局GUIGUI1、打開 MATLAB,在 Guide 中新建 FIG 文件MATLABR2OllbMATLABR2OllbFFFFIIOEdEd征D-ebugD-ebugPareilielDesktopWindowHPareilielDesktopWindowH亡IpIpINfrwINfrwSeriptCtrl+bJSeriptCtrl+bJtoFOpen.Open.Ctrl-J-OCtrl-J-OFunctionFuncti

3、onCloseCommandWindowCloseCommandWindowCtrl+WCtrl+WClas-s.Clas-s.EnumerationEnumerationImportData,-.ImportData,-.FigureFigureVariablvVariablvModelModelGUIGUIDeploymentProject.DeploymentProject.Savs*WorkpaceASavs*WorkpaceA弓川.SetPath.SetPath.PrefcrenPrefcren匚。與.”P3gleSetup.P3gleSetup.Ctrl+SCtrl+SPnntrP

4、nntr b bCtrl-I-PCtrl-I-PCodeGemerataonPrcjectCodeGemerataonPrcjectJ+J+SimulinkProj&ctr.SimulinkProj&ctr.1 1C:C:口弋 k 論文題目untiHuntiH音clLmclLm2 2D D：V-Sfurdcgui_mainfcn.mV-Sfurdcgui_mainfcn.m3 3D:,r r,Q,Qdetooldetoolsnotebooksnotebookr rm m4 43bexmO603Dl.m3bexmO603Dl.mExitMATLABCtrl+QExitMATLABCtrl+Q姓名

5、：曹慈航班級：12級電氣自動化2班學(xué)號：12084410442 2/2424GUIDEGUIDEtemplatesRlnkGUl（口面用血GUIwithUiconlrolsUiconlrolsGUIwithAxesandandMenuModalQuesUonDhalogiDhalogi2、然后雙擊“BlankGUI(Default)”或單擊 OK 鍵出現(xiàn) GUI 窗口3、添加按鈕和動態(tài)文本框口總用溫電G串自犀母圖啰 A3 3/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044怛 NEWGUj|OpenOpenExistingGUISaveonstarluDas:OKCan

6、celHelpCancelHelpPushButtonPushButtonStaticTextStaticTextPushBurttonPushBurttonPushButtonPushButtonPreviewPreviewBLANKBLANK4、根據(jù)按鈕的作用及視覺效果做一定的修改對按鈕的字符串大小、顏色進行設(shè)置，對按鈕的位置進行排布，盡量使按鈕集中在動態(tài)文本框下面。最終設(shè)置的動態(tài)文本框為灰色，其他按鈕均為藍色。5、保存、添加功能函數(shù)將做好的按鈕及動態(tài)文本框保存后自動彈出函數(shù)。 以下是相應(yīng)按鈕的功能函數(shù)。(1)數(shù)字按鍵編寫。在 functionpushbutton1_Callback(hO

7、bject,eventdata,handles)下輸入:個0,然后由 set(handles.edit1,String,a)在edit1中輸出。同理，分另1J 在 functionpushbutton210_Callback(hObject,eventdata,handles)下給此類程序。(2)符號鍵：在 functionpushbutton11_Callback(hObject,eventdata,handles)下輸入：globaljjglobalja=get(handles.edit1,a=strcat(a,+)if(jj=0)set(handles.edit1,jj=1;endj=0

8、;strcat 的作用是將兩個字符串連接起來，就是在已輸入的存儲數(shù)據(jù) a 后添加“+”進行運算。然后執(zhí)行set(handles.edit1,String,a)。符號鍵-、 *、 /、 .與+的運算函數(shù)類似,“平方運算”主要是由“人 2”功能實現(xiàn)。functionpushbutton12_Callback(hObject,eventdata,handles)globaljjglobalja=get(handles.edit1,String)a=strcat(a,-)if(jj=0)set(handles.edit1,String,a)jj=1；end4 4/2424姓名：曹慈航班級：12級電氣自

9、動化2班學(xué)號：1208441044Editor 的 M 文本，然后對相應(yīng)的pushbutton 添加功能globaljja=get(handles.edit1,if(strcmp(a,0.set(handles.edit1,elseString尸=1)&(jj=0)String)；,0.)a=strcat(a,set(handles.edit1,end0)String,a)jj=0這是使用句柄 handles 指向?qū)ο骵dit1,并以字符串形式來存儲數(shù)據(jù)文本框edit1的內(nèi)容，并存儲數(shù)19 數(shù)字按鍵下編寫String)String,a)j=0；functionpushbutton13_Call

10、back(hObject,eventdata,handles)globaljjglobalja=get(handles.edit1,String)a=strcat(a,*)if(jj=0)set(handles.edit1,String,a)jj=1;endj=0;functionpushbutton14_Callback(hObject,eventdata,handles)globaljjglobalja=get(handles.edit1,String)a=strcat(a,/)if(jj=0)set(handles.edit1,String,a)jj=1;endj=0;functionp

11、ushbutton15_Callback(hObject,eventdata,handles)globaljjglobalja=get(handles.edit1,String)a=strcat(a,.)if(jj=0)set(handles.edit1,String,a)jj=1;endj=0;functionpushbutton16_Callback(hObject,eventdata,handles)“eval”的作用是將符號表達式轉(zhuǎn)換成數(shù)值表達式再由5 5/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044a=get(handles.edit1,b=eval(a)

12、set(handles.edit1,(3)運算符“=”a=get(handles.edit1,b=eval(a)set(handles.edit1,StringString的編程：stringstring),num2str(bA2),num2str(b)set(handles.edit1,String,0)(6)三角函數(shù)的編輯functionpushbutton17_Callback(hObject,eventdata,handles)a=get(handles.edit1,String);b=eval(a)b=b*pi/180;b=sin(b);set(handles.edit1,Strin

13、g,b)b=b*pi/180 是把角度轉(zhuǎn)換為弧度，這樣在編程環(huán)境中才能識別，sin 才能起作用。然后執(zhí)行結(jié)果輸出來。同理在 cos,tan,cot 的回調(diào)函數(shù)中也輸入相應(yīng)的函數(shù)，只需把b=sin(b);中的tan,cot 即可(7)按鍵“()”：在輸入數(shù)據(jù)時添加括號，以便數(shù)據(jù)的優(yōu)先計算。globaljj姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044set(handles.edit1,輸出。String,num2str(b)(4)按鍵back編程：即顯示一個空字符：set(handles.edit1,String,a)按鍵“back”編程：globaljja=get(handl

14、es.edit1,if(strcmp(a,0.set(handles.edit1,elsess=char(a);l=length(a);a=ss(1:l-1);set(handles.edit1,String);)=1)&(jj=0)String,0.)String,a)endjj=0;(5)按鍵“清零”把動態(tài)文本框的字符清空，返回一個空格。a=get(handles.edit1,String)if(strcmp(a,0尸=1)&(jj=0)set(handles.edit1,String()elsea=strcat(a,()set(handles.edit1,endjj=0String,a)

15、a=get(handles.edit1,s1=strcat(a,)set(handles.edit1,String)String,s1)6 6/2424set 函數(shù)，把sin 改為 cos,2.2計算器的使用加法運算（+）：姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044按“=”后顯示:減法（-）、乘法（*）、除法（/）運算與加法（+）運算類似。7 7/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044點號（.）、括號（）nuntitleduntitled】8 8/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044平方（XA2）運算:

16、按下（XA2）后9 9/2424三角函數(shù)（sin、cos、tan、cot）運算:姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044按下（sin、cos、tan、cot）后1010/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044back、清零功能:1111/24243程序總結(jié)本程序?qū)崿F(xiàn)簡單的科學(xué)運算功能及便捷的圖形化交互界面。具有以下優(yōu)點：優(yōu)點：1、GUI 內(nèi)數(shù)據(jù)傳遞非常簡便。非常簡便的實現(xiàn)了前臺與后臺、前臺與前臺、后臺與后臺之間的參數(shù)傳遞。2、圖形化用戶交互界面簡潔明了。在制作計算器界面時操作簡單，制作完成后程序的輸入框直接彈出，可以直接寫入，即可運行計

17、算器。簡單的實現(xiàn)了設(shè)計與編程的數(shù)據(jù)傳遞。1212/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：12084410444課程總結(jié)1、通過 MATLAB 簡單計算器的設(shè)計，初步了解了關(guān)于 MATLAB 圖形用戶界面的部分控件的使用方法。2、MATLAB 的 GUI 提供的很多實用的控件，方便用于設(shè)計屬于自己的圖形界面。3、Matlab 具有強大、豐富的內(nèi)置函數(shù)和工具箱，界面設(shè)計時更加簡潔、快捷與直觀。5參考文獻MATLAB 語言及其在電子信息工程中的應(yīng)用王洪元主編清華大學(xué)出版社MATLAB 中 GUI 的應(yīng)用王洪元主編清華大學(xué)出版社姓名：曹慈航班級：12級電氣自動化2班學(xué)號：12084410

18、44121313/2424附錄（主要程序）functionvarargout=untitled66(varargin)%UNTITLED66MATLABcodeforuntitled66.fig%UNTITLED66,byitself,createsanewUNTITLED66orraisestheexisting%singleton*.%H=UNTITLED66returnsthehandletoanewUNTITLED66orthehandleto%theexistingsingleton*.%UNTITLED66(CALLBACK,hObject,eventData,handles,)c

19、allsthelocal%functionnamedCALLBACKinUNTITLED66.Mwiththegiveninputarguments.%UNTITLED66(Property,Value,)createsanewUNTITLED66orraisesthe%existingsingleton*.Startingfromtheleft,propertyvaluepairsare%appliedtotheGUIbeforeuntitled66_OpeningFcngetscalled.An%unrecognizedpropertynameorinvalidvaluemakesprop

20、ertyapplication%stop.Allinputsarepassedtountitled66_OpeningFcnviavarargin.%*SeeGUIOptionsonGUIDEsToolsmenu.ChooseGUIallowsonlyone%instancetorun(singleton).%Seealso:GUIDE,GUIDATA,GUIHANDLES%Edittheabovetexttomodifytheresponsetohelpuntitled66%LastModifiedbyGUIDEv2.509-Dec-201420:42:08%Begininitializat

21、ioncode-DONOTEDITgui_Singleton=1;gui_State=struct(gui_Name,mfilename,.gui_Singleton,gui_Singleton,.gui_OpeningFcn,untitled66_OpeningFcn,gui_OutputFcn,untitled66_OutputFcn,gui_LayoutFcn,口，.gui_Callback,);ifnargin&ischar(varargin1)gui_State.gui_Callback=str2func(varargin1);endifnargoutvarargout1:nargo

22、ut=gui_mainfcn(gui_State,varargin:);1414/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044elsegui_mainfcn(gui_State,varargin:);end%Endinitializationcode-DONOTEDIT%Executesjustbeforeuntitled66ismadevisible.functionuntitled66_OpeningFcn(hObject,eventdata,handles,varargin)%Thisfunctionhasnooutputargs,seeOutputFcn.%

23、hObjecthandletofigure%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)%varargincommandlineargumentstountitled66(seeVARARGIN)%Choosedefaultcommandlineoutputforuntitled66handles.output=hObject;%Updatehandlesstructureguidata(hObject,handles);%UIWA

24、ITmakesuntitled66waitforuserresponse(seeUIRESUME)%uiwait(handles.figure1);%-Outputsfromthisfunctionarereturnedtothecommandline.functionvarargout=untitled66_OutputFcn(hObject,eventdata,handles)%varargoutcellarrayforreturningoutputargs(seeVARARGOUT);%hObjecthandletofigure%eventdatareserved-tobedefined

25、inafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)%Getdefaultcommandlineoutputfromhandlesstructurevarargout1=handles.output;functionedit1_Callback(hObject,eventdata,handles)%hObjecthandletoedit1(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurew

26、ithhandlesanduserdata(seeGUIDATA)%Hints:get(hObject,String)returnscontentsofedit1astext%str2double(get(hObject,String)returnscontentsofedit1asadouble1515/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044%-Executesduringobjectcreation,aftersettingallproperties.functionedit1_CreateFcn(hObject,eventdata,handles)%hO

27、bjecthandletoedit1(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesempty-handlesnotcreateduntilafterallCreateFcnscalled%Hint:editcontrolsusuallyhaveawhitebackgroundonWindows.%SeeISPCandCOMPUTER.ifispc&isequal(get(hObject,BackgroundColor),get(0,defaultUicontrolBackgroundColor)se

28、t(hObject,BackgroundColor,white);end%-Executesonbuttonpressinpushbutton1.functionpushbutton1_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton1(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljja=get(handles.edit1,if(

29、strcmp(a,0.set(handles.edit1,elseString);尸=1)&(jj=0)String,0.)a=strcat(a,set(handles.edit1,end0)String,a)jj=0%-Executesonbuttonpressinpushbutton2.functionpushbutton2_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton2(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handless

30、tructurewithhandlesanduserdata(seeGUIDATA)String);尸=1)&(jj=0)String,1)1)String,a)1616/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044globaljja=get(handles.edit1,if(strcmp(a,0set(handles.edit1,elsea=strcat(a,set(handles.edit1,endjj=0%-Executesonbuttonpressinpushbutton3.functionpushbutton3_Callback(hObject,event

31、data,handles)%hObjecthandletopushbutton3(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljja=get(handles.edit1,endjj=0%-Executesonbuttonpressinpushbutton4.functionpushbutton4_Callback(hObject,eventdata,handles)%hObjecthandletopus

32、hbutton4(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljjString);尸=1)&(jj=0)String,3)3)String,a)jj=0%-Executesonbuttonpressinpushbutton5.functionpushbutton5_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton5(seeGCBO

33、)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljja=get(handles.edit1,String);if(strcmp(a,0尸=1)&(jj=0)set(handles.edit1,String,4)1717/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044String);if(strcmp(a,set(handles.edit1,else0尸=1)&(jj=0)String,2)a=s

34、trcat(a,set(handles.edit1,2)String,a)a=get(handles.edit1,if(strcmp(a,0set(handles.edit1,elsea=strcat(a,set(handles.edit1,endelsea=strcat(a,4)set(handles.edit1,String,a)endjj=0%-Executesonbuttonpressinpushbutton6.functionpushbutton6_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton6(seeGC

35、BO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljjString);尸=1)&(jj=0)String,5)5)String,a)jj=0%-Executesonbuttonpressinpushbutton7.functionpushbutton7_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton7(seeGCBO)%eventdatares

36、erved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)String);尸=1)&(jj=0)String,6)6)String,a)endjj=0%-Executesonbuttonpressinpushbutton8.functionpushbutton8_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton8(seeGCBO)%eventdatareserved-tobedefinedinaf

37、utureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljj1818/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044a=get(handles.edit1,if(strcmp(a,0set(handles.edit1,elsea=strcat(a,set(handles.edit1,endglobaljja=get(handles.edit1,if(strcmp(a,0set(handles.edit1,elsea=strcat(a,set(handles.edit1,姓

38、名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044a=get(handles.edit1,if(strcmp(a,0set(handles.edit1,elsea=strcat(a,set(handles.edit1,endjj=0String);尸=1)&(jj=0)String,7)7)String,a)%-Executesonbuttonpressinpushbutton9.functionpushbutton9_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton9(seeGCBO)%eventdatar

39、eserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljja=get(handles.edit1,if(strcmp(a,0set(handles.edit1,elsea=strcat(a,set(handles.edit1,endString);尸=1)&(jj=0)String,8)8)String,a)jj=0%-Executesonbuttonpressinpushbutton10.functionpushbutton10_Callback(

40、hObject,eventdata,handles)%hObjecthandletopushbutton10(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljja=get(handles.edit1,if(strcmp(a,0set(handles.edit1,elsea=strcat(a,set(handles.edit1,String);尸=1)&(jj=0)String,9)9)String,a)e

41、ndjj=0%-Executesonbuttonpressinpushbutton11.functionpushbutton11_Callback(hObject,eventdata,handles)1919/2424%hObjecthandletopushbuttonll(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljjglobalja=get(handles.edit1,String)a=strca

42、t(a,+)if(jj=0)set(handles.edit1,String,a)jj=1;endj=0;%-Executesonbuttonpressinpushbutton12.functionpushbutton12_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton12(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljjglo

43、balja=get(handles.edit1,String)a=strcat(a,-)if(jj=0)set(handles.edit1,String,a)jj=1;endj=0;%-Executesonbuttonpressinpushbutton13.functionpushbutton13_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton13(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhan

44、dlesanduserdata(seeGUIDATA)globaljjglobalja=get(handles.edit1,String)a=strcat(a,*)if(jj=0)set(handles.edit1,String,a)jj=1;endj=0;2020/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044%-Executesonbuttonpressinpushbutton14.functionpushbutton14_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton14(seeGCBO

45、)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljjglobalja=get(handles.edit1,String)a=strcat(a,/)if(jj=0)set(handles.edit1,String,a)jj=1;endj=0;%-Executesonbuttonpressinpushbutton15.functionpushbutton15_Callback(hObject,eventdata,handle

46、s)%hObjecthandletopushbutton15(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)globaljjglobalja=get(handles.edit1,String)a=strcat(a,.)if(jj=0)set(handles.edit1,String,a)jj=1;endj=0;%-Executesonbuttonpressinpushbutton16.functionpushbutt

47、on16_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton16(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)a=get(handles.edit1,String)b=eval(a)set(handles.edit1,String,num2str(bA2)2121/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044%-Ex

48、ecutesonbuttonpressinpushbutton17.functionpushbutton17_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton17(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)a=get(handles.edit1,String);b=eval(a)b=b*pi/180;b=sin(b);set(handles

49、.edit1,String,b)%-Executesonbuttonpressinpushbutton18.functionpushbutton18_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton18(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)a=get(handles.edit1,String);b=eval(a)b=b*pi/180;

50、b=cos(b);set(handles.edit1,String,b)%-Executesonbuttonpressinpushbutton19.functionpushbutton19_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton19(seeGCBO)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)a=get(handles.edit1,b=eval(a

51、)if(mod(b,90)=0)b=b*pi/180;b=tan(b);set(handles.edit1,elseset(handles.edit1,end%-Executesonbuttonpressinpushbutton20.functionpushbutton20_Callback(hObject,eventdata,handles)%hObjecthandletopushbutton20(seeGCBO)2222/2424姓名：曹慈航班級：12級電氣自動化2班學(xué)號：1208441044String);String,b)String,error:?)%eventdatareserved-tobedefinedinafutureversionofMATLAB%handlesstructurewithhandlesanduserdata(seeGUIDATA)String);String,b)String,error)end%-Executesonbuttonpressinpushbutton21.functionpushbutton21_Callback(hObject,eventdata,handles)%hObje