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4 ½çÃæÉè¼Æ¼°MATLAB GUI±à³Ì ±¾ÕÂÖ÷Òª½éÉܸÃϵͳͼÐνçÃæ¼°Æägui±à³ÌʵÏÖ¡£

4.1 ÓÃGUIDE±à¼­Æ÷½¨Á¢Í¼ÐνçÃæ

½¨Á¢gui£¬ÓÃguide±à¼­Æ÷½øÐб༭¡£ÎªÁ˸üºÃµÄʵÏÖ¹¦ÄÜ£¬²¢ÇÒΪÓû§Ìṩ

Á¼ºÃµÄÓû§½çÃæ£¬ÐèÒªÉè¼ÆÒ»¸ö¼ò½à¶ø³äʵµÄ½çÃæ£¬½çÃæÉè¼ÆÈçͼ4-1Ëùʾ¡£

ͼ4-1 Ö÷½çÃæ

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ÒÔÏÂÊǸýçÃæµÄ³õʼ»¯³ÌÐò£º gui_Singleton = 1;

gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @Demo_OpeningFcn, ... 'gui_OutputFcn', @Demo_OutputFcn, ... 'gui_LayoutFcn', [], ... 'gui_Callback', []); if nargin == 0 % LAUNCH GUI

initial_dir = pwd;

% Open FIG-file

fig = openfig(mfilename,'reuse'); % Generate a structure of handles to pass to callbacks, and store it. handles = guihandles(fig); guidata(fig, handles); %disp('populate1!!'); % Populate the listbox load_listbox(initial_dir,handles)

% Return figure handle as first output argument if nargout > 0 end

elseif ischar(varargin{1}) % INVOKE NAMED SUBFUNCTION OR CALLBACK try

[varargout{1:nargout}] = feval(varargin{:}); % FEVAL switchyard catch

disp(lasterr); end

11

varargout{1} = fig;

end 4.2

²Ëµ¥Ìõ£¨Menu Bar)

ÓÉͼ4-1¿ÉÖª£¬Õâ¸öÖ÷½çÃæ°üº¬ÁËÒ»¸ö²Ëµ¥À¸£¬Îļþ£¨file£©ÏѡÏoption£©

Ï°ïÖú£¨help£©Ïî¡£ÓÉÓÚ±¾ÏµÍ³Ö¼ÔÚÄ£ÄâʵÏÖwebͼÏñ¼ìË÷µÄ»ù±¾¹¦ÄÜ£¬Òò´ËfileÒÔ¼°helpÏûÓнøÐÐÌØ±ðµÄÖÆ×÷¡£¶øoptionÑ¡ÏîÔòÊDz˵¥À¸µÄÖØµã£¬optionÑ¡ÏîÏÂÓÐÁ½¸ö×ÓÑ¡ÏÈçͼ4-2Ëùʾ¡£

ͼ4-2 option×ÓÑ¡Ïî

OptionÓÐÁ½¸ö×ÓÑ¡ÏÆäһΪinput to database£¬¸ÃģʽÏÂʵÏֵŦÄÜÖ÷ҪΪ½«±¾µØÎļþ¼ÐϵÄËùÓÐÎļþµÄÎļþÃûµ¼Èëµ½Ò»¸öÃûΪdatabaseµÄTXTÎĵµÀï¡£ÁíÍâÒ»¸öÑ¡ÏîÊÇsearch databse¡£Õâ¸öÑ¡ÏîËùʵÏֵŦÄÜÔòÊÇÕû¸öϵͳµÄºËÐIJ¿·Ö£¬ÔÚ¸ÃÄ£¿éÏ£¬¿ÉÒÔʵÏÖ½«±¾µØÎļþ¼ÐÏÂÓëÊäÈëͼƬÏàËÆµÄÊ®ÕÅͼƬ°´¸ßµÍ˳ÐòÅÅÁгÊÏÖ³öÀ´¡£

ÒÔÏÂΪinput to database×ÓÑ¡ÏîµÄ´úÂ벿·Ö£º

function inputDatabase_Callback(hObject, eventdata, handles) % hObject handle to CloseMenuItem (see GCBO)

% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Some code to input the selected image to the database... set(handles.input, 'Checked', 'On'); set(handles.search, 'Checked', 'Off');

12

set(handles.listbox1, 'Enable', 'On'); set(handles.text1, 'Enable', 'On'); set(handles.popupmenu, 'Enable', 'On');

handles.option = 'input'; % This means that the option is to \ database\

guidata(hObject, handles)

ÒÔÏÂΪsearch database²¿·ÖµÄ³ÌÐò´úÂ룺

function searchDatabase_Callback(hObject, eventdata, handles) % hObject handle to CloseMenuItem (see GCBO)

% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Some code to search the database for the selected image... set(handles.input, 'Checked', 'Off'); set(handles.search, 'Checked', 'On'); set(handles.listbox1, 'Enable', 'On'); set(handles.text1, 'Enable', 'On'); set(handles.popupmenu, 'Enable', 'On');

handles.option = 'search'; % This means that the option is to \database\

guidata(hObject, handles)

4.3 µ¯³ö¿ò£¨Popupmenu£©

µ¯³ö¿òµÄÄ¿µÄÖ÷ÒªÊÇΪÁËÑ¡ÔñͼƬ¿âËùÔÚ·¾¶¡£µ¯³ö¿òÈçͼ4-3Ëùʾ¡£

4-3 µ¯³ö¿ò£¨popumenu£©

ÒÔÏÂΪµ¯³ö¿ò£¨popumenu£©µÄ´úÂ벿·Ö£º

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