matlab計算器

1、標題：基于GUI的計算器設計姓名：劉鵬飛學號：20132684班級：電1305-2專業(yè)：通信工程成績組成：實驗成績+課程作業(yè)=實驗成績課程作業(yè)期末總成績一、實驗思想實驗目的: 1、熟悉MATLAB的主要控件使用方法。2、熟悉MATLAB的GUI設計流程。實驗環(huán)境: 編程軟件MATLAB7.0 實驗內容：使用MATLAB的GUI接口設計一個簡單的計算器。實驗實現的功能：利用計算器實現數字的“加”、“減”、“乘”、“除”、“取相反數”、“開根號”、“取余”、“清零”、“清除”等運算。 效果圖: 二、實驗程序源碼部分函數及相關注釋：%09數字鍵及小數點按鈕代碼范例%全局變量locaval用于存儲用戶

2、輸入的多位數值%全局變量gloval2用于存儲待處理的第二位數值function pushbutton1_Callback(hObject, eventdata, handles)global locaval;a = get(handles.pushbutton1,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);%運算符按鈕處理“+、-、*、”范例%全局變量

3、flagnum存儲運算符標志%全局變量global1用于儲存第一個待處理數值function pushbutton10_Callback(hObject, eventdata, handles)a = get(handles.pushbutton10,'String');b = get(handles.text1,'String');set(handles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' 'flagnum=1;gloval1

4、=b;guidata(hObject, handles);%取相反數按鈕“+-”代碼%算法實現：用零減去文本框現在的值，再賦值給文本框function pushbutton14_Callback(hObject, eventdata, handles)global locaval;locaval=str2num(locaval);locaval=0-locaval;locaval=num2str(locaval);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject,

5、handles);% 等號按鈕運算實現%根據flagnum運算標志用switch決策語句實現相應計算%需注意相應數據類型的轉化function pushbutton17_Callback(hObject, eventdata, handles)global flagnumglobal gloval1global gloval2global locavallocaval=' 'gloval1=str2num(gloval1);gloval2=str2num(gloval2);case1=gloval1/gloval2;case2=gloval1*gloval2;case3=glo

6、val1-gloval2;case4=gloval1+gloval2;case1=num2str(case1);case2=num2str(case2);case3=num2str(case3);case4=num2str(case4);switch flagnum; case 1 set(handles.text1,'String',case1); case 2 set(handles.text1,'String',case2); case 3 set(handles.text1,'String',case3); case 4 set(hand

7、les.text1,'String',case4);endguidata(hObject,handles)% BackSpace按鈕函數%算法實現：MATLAB是用矩陣存儲數據的，相應的可以取文本框的前N-1實現其功能function pushbutton19_Callback(hObject, eventdata, handles)textString = get(handles.text1,'String');if(strcmp(textString,'0.')=1) set(handles.text1,'String',&#

8、39;0.') ;else ss=char(textString); l=length(textString); textString=ss(1:l-1);set(handles.text1,'String',textString)endguidata(hObject,handles)%C清除按鈕函數%把全局變量locaval清零function pushbutton20_Callback(hObject, eventdata, handles)global locavallocaval=' 'set(handles.text1,'String&

9、#39;,'0.');guidata(hObject,handles)%開平方函數function pushbutton22_Callback(hObject, eventdata, handles)textString = get(handles.text1,'String');textString=str2num(textString);textString=sqrt(textString);textString=num2str(textString);set(handles.text1,'String',textString);locava

10、l=' 'guidata(hObject,handles)%取1/x函數 function pushbutton24_Callback(hObject, eventdata, handles)global locavallocaval=str2num(locaval);locaval=1/locaval;set(handles.text1,'String',locaval);locaval=' 'guidata(hObject,handles)源碼：function varargout = bt0(varargin)% BT0 M-file fo

11、r bt0.fig% BT0, by itself, creates a new BT0 or raises the existing% singleton*.% H = BT0 returns the handle to a new BT0 or the handle to% the existing singleton*.% BT0('Property','Value',.) creates a new BT0 using the% given property value pairs. Unrecognized properties are passed

12、via% varargin to bt0_OpeningFcn. This calling syntax produces a% warning when there is an existing singleton*.% BT0('CALLBACK') and BT0('CALLBACK',hObject,.) call the% local function named CALLBACK in BT0.M with the given input% arguments.% *See GUI Options on GUIDE's Tools menu.

13、 Choose "GUI allows only one% instance to run (singleton)".% See also: GUIDE, GUIDATA, GUIHANDLES% Edit the above text to modify the response to help bt0% Last Modified by GUIDE v2.5 04-May-2010 14:01:00% Begin initialization code - DO NOT EDITglobal gloval1;global gloval2;global flagnum;g

14、lobal locaval;gui_Singleton = 1;gui_State = struct('gui_Name', mfilename, . 'gui_Singleton', gui_Singleton, . 'gui_OpeningFcn', bt0_OpeningFcn, . 'gui_OutputFcn', bt0_OutputFcn, . 'gui_LayoutFcn', , . 'gui_Callback', );if nargin & isstr(varargin1)

15、gui_State.gui_Callback = str2func(varargin1);endif nargout varargout1:nargout = gui_mainfcn(gui_State, varargin:);else gui_mainfcn(gui_State, varargin:);end% End initialization code - DO NOT EDIT% - Executes just before bt0 is made visible.function bt0_OpeningFcn(hObject, eventdata, handles, varargi

16、n)% This function has no output args, see OutputFcn.% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% varargin unrecognized PropertyName/PropertyValue pairs from the% command line (see VARARGIN)%

17、Choose default command line output for bt0handles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes bt0 wait for user response (see UIRESUME)% uiwait(handles.figure1);% - Outputs from this function are returned to the command line.function varargout = bt0_OutputFcn(

18、hObject, eventdata, handles)% varargout cell array for returning output args (see VARARGOUT);% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Get default command line output from handles structur

19、evarargout1 = handles.output;% - Executes on button press in pushbutton1.function pushbutton1_Callback(hObject, eventdata, handles)% hObject handle to pushbutton1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)g

20、lobal locaval;a = get(handles.pushbutton1,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton2.function pushbutton2_Callback(hObject, eventdata, handles)% hObject ha

21、ndle to pushbutton2 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global locaval;a = get(handles.pushbutton2,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval

22、2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton3.function pushbutton3_Callback(hObject, eventdata, handles)% hObject handle to pushbutton3 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data

23、(see GUIDATA)global locavala = get(handles.pushbutton3,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton4.function pushbutton4_Callback(hObject, eventdata, handles

24、)% hObject handle to pushbutton4 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global locavala = get(handles.pushbutton4,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);g

25、lobal gloval2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton5.function pushbutton5_Callback(hObject, eventdata, handles)% hObject handle to pushbutton5 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles an

26、d user data (see GUIDATA)global locavala = get(handles.pushbutton5,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton6.function pushbutton6_Callback(hObject, eventd

27、ata, handles)% hObject handle to pushbutton6 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global locavala = get(handles.pushbutton6,'String');locaval=strcat(locaval,a);set(handles.text1,'String'

28、;,locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton7.function pushbutton7_Callback(hObject, eventdata, handles)% hObject handle to pushbutton7 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure wit

29、h handles and user data (see GUIDATA)global locavala = get(handles.pushbutton7,'String');locaval=strcat(locaval,a)set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton8.function pushbutton8_Callback(hObj

30、ect, eventdata, handles)% hObject handle to pushbutton8 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global locavala = get(handles.pushbutton8,'String');locaval=strcat(locaval,a);set(handles.text1,'

31、;String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton9.function pushbutton9_Callback(hObject, eventdata, handles)% hObject handle to pushbutton9 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles st

32、ructure with handles and user data (see GUIDATA)global locavala = get(handles.pushbutton9,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton10.function pushbutton10

33、_Callback(hObject, eventdata, handles)% hObject handle to pushbutton10 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)a = get(handles.pushbutton10,'String');b = get(handles.text1,'String');set(ha

34、ndles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' 'flagnum=1;gloval1=b;guidata(hObject, handles);% - Executes on button press in pushbutton11.function pushbutton11_Callback(hObject, eventdata, handles)% hObject handle to pushbutton11 (see GCBO)% eventdata re

35、served - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)a = get(handles.pushbutton11,'String');b = get(handles.text1,'String');set(handles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' 'fl

36、agnum=2;gloval1=b;guidata(hObject, handles);% - Executes on button press in pushbutton12.function pushbutton12_Callback(hObject, eventdata, handles)% hObject handle to pushbutton12 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user d

37、ata (see GUIDATA)a = get(handles.pushbutton12,'String');b = get(handles.text1,'String');set(handles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' 'flagnum=3;gloval1=b;guidata(hObject, handles);% - If Enable = 'on', executes on mouse pre

38、ss in 5 pixel border.% - Otherwise, executes on mouse press in 5 pixel border or over pushbutton13.function pushbutton13_ButtonDownFcn(hObject, eventdata, handles)% hObject handle to pushbutton13 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with han

39、dles and user data (see GUIDATA)global locavala = get(handles.pushbutton13,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton13.function pushbutton13_Callback(hObje

40、ct, eventdata, handles)% hObject handle to pushbutton13 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global locavala = get(handles.pushbutton13,'String');locaval=strcat(locaval,a);set(handles.text1,

41、9;String',locaval);global gloval2gloval2=a;guidata(hObject, handles);% - Executes on button press in pushbutton14.function pushbutton14_Callback(hObject, eventdata, handles)% hObject handle to pushbutton14 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles stru

42、cture with handles and user data (see GUIDATA)global locaval;locaval=str2num(locaval);locaval=0-locaval;locaval=num2str(locaval);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% - Executes on button press in pushbutton15.function pushbutton15_Call

43、back(hObject, eventdata, handles)% hObject handle to pushbutton15 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)a = get(handles.pushbutton15,'String');set(handles.text1,'String',a);guidata(hObje

44、ct, handles);% - Executes on button press in pushbutton16.function pushbutton16_Callback(hObject, eventdata, handles)% hObject handle to pushbutton16 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)a = get(handle

45、s.pushbutton16,'String');b = get(handles.text1,'String');set(handles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' 'flagnum=4;gloval1=b;guidata(hObject, handles);% - Executes on button press in pushbutton17.function pushbutton17_Callback(hObjec

46、t, eventdata, handles)% hObject handle to pushbutton17 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global flagnumglobal gloval1global gloval2global locavallocaval=' 'gloval1=str2num(gloval1);gloval2=s

47、tr2num(gloval2);case1=gloval1/gloval2;case2=gloval1*gloval2;case3=gloval1-gloval2;case4=gloval1+gloval2;case1=num2str(case1);case2=num2str(case2);case3=num2str(case3);case4=num2str(case4);switch flagnum; case 1 set(handles.text1,'String',case1); case 2 set(handles.text1,'String',case

48、2); case 3 set(handles.text1,'String',case3); case 4 set(handles.text1,'String',case4);endguidata(hObject,handles)% - Executes on button press in pushbutton18.function pushbutton18_Callback(hObject, eventdata, handles)% hObject handle to pushbutton18 (see GCBO)% eventdata reserved -

49、to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global locaval;a = get(handles.pushbutton18,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% - Execu

50、tes on button press in pushbutton19.function pushbutton19_Callback(hObject, eventdata, handles)% hObject handle to pushbutton19 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)textString = get(handles.text1,'

51、String');if(strcmp(textString,'0.')=1) set(handles.text1,'String','0.') ;else ss=char(textString); l=length(textString); textString=ss(1:l-1);set(handles.text1,'String',textString)endguidata(hObject,handles)% - Executes on button press in pushbutton20.function pus

52、hbutton20_Callback(hObject, eventdata, handles)% hObject handle to pushbutton20 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global locavallocaval=' 'set(handles.text1,'String','0.');guidata(hObject,handles)% - Executes on button press in pushbutton21.fun