Matlab界面設計入門

原創

2020-02-22 08:43

1.文本編輯框+按鈕

pushbutton的callback代碼：

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)
str=get(handles.edit1,'String');
set(handles.edit2,'String',str);

2.滾動條顯示值

滾動條後臺callback代碼（實踐由滾動條產生觸發）：

function slider1_Callback(hObject, eventdata, handles)
% hObject    handle to slider1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'Value') returns position of slider
%        get(hObject,'Min') and get(hObject,'Max') to determine range of slider
var=get(handles.slider1,'value');%value 屬性哦
set(handles.edit1,'String',num2str(var));

3.單選框+複選框+togglebutton簡單示例

三個控件的後臺callback：

function rb_Callback(hObject, eventdata, handles)
% hObject    handle to rb (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hint: get(hObject,'Value') returns toggle state of rb
var=get(handles.rb,'value');
set(handles.edit1,'string',num2str(var));
% --- Executes on button press in ck.
function ck_Callback(hObject, eventdata, handles)
% hObject    handle to ck (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
var=get(handles.ck,'value');
set(handles.edit2,'string',num2str(var));
% Hint: get(hObject,'Value') returns toggle state of ck


% --- Executes on button press in tb.
function tb_Callback(hObject, eventdata, handles)
% hObject    handle to tb (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hint: get(hObject,'Value') returns toggle state of tb
var=get(handles.tb,'value');
set(handles.edit3,'string',num2str(var));

4.選擇描繪不同三角函數曲線

將三個radio button放在一個button group中。
buttonGroup的後臺SelectionChangeFcn：

function uipanel1_SelectionChangeFcn(hObject, eventdata, handles)
% hObject    handle to the selected object in uipanel1 
% eventdata  structure with the following fields (see UIBUTTONGROUP)
%   EventName: string 'SelectionChanged' (read only)
%   OldValue: handle of the previously selected object or empty if none was selected
%   NewValue: handle of the currently selected object
% handles    structure with handles and user data (see GUIDATA)
x=0:0.01:2*pi;%x軸的範圍0-2pi
current_Obj=get(eventdata.NewValue,'Tag');
axes(handles.axes1);
switch current_Obj
    case 'rb1'
      y=sin(x);
      plot(x,y);
    case 'rb2'
        y=cos(x);
        plot(x,y);
    case 'rb3'
        y=sin(x)+cos(x);
        plot(x,y);


end

5.下拉選擇功能菜單

pop up menu的callback代碼：

function ppm_Callback(hObject, eventdata, handles)
% hObject    handle to ppm (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: contents = cellstr(get(hObject,'String')) returns ppm contents as cell array
%        contents{get(hObject,'Value')} returns selected item from ppm
var=get(handles.ppm,'value');
x=0:0.01:2*pi;
axes(handles.axes1);
switch var
    case 1
        y=sin(x);
        plot(x,y);
    case 2
        y=cos(x);
        plot(x,y);
    case 3
        y=sin(x)+cos(x);
        plot(x,y);
end