我在GUIDE中創(chuàng)建了一個(gè)帶有兩個(gè)可編輯文本框和四個(gè)靜態(tài)文本框的Matlab GUI

用戶在兩個(gè)可編輯的文本框(e1和e2)中輸入值,并根據(jù)這些值計(jì)算應(yīng)在靜態(tài)文本框(s1,s2,s3和s4)中顯示的值.

它在e1和e2的每個(gè)值變化上執(zhí)行此操作

e1更改值時(shí)計(jì)算值的代碼如下所示.

% --- Executes on key press with focus on e1 and none of its controls.

function e1_KeyPressFcn(hObject, eventdata, handles)

% hObject handle to e1 (see GCBO)

% eventdata structure with the following fields (see UICONTROL)

% Key: name of the key that was pressed, in lower case

% Character: character interpretation of the key(s) that was pressed

% Modifier: name(s) of the modifier key(s) (i.e., control, shift) pressed

% handles structure with handles and user data (see GUIDATA)

% Start of BLOCK

% Get values from e1 and e2 and calculate other values

handles.levels = str2num(get(handles.e1, 'String'));

handles.edgelength = str2num(get(handles.e2, 'String'));

handles.cellnum = (handles.levels^3 + 3*handles.levels^2 + 2*handles.levels)/6;

handles.vertnum = ((handles.levels+1)^3 + 3*(handles.levels+1)^2 + 2*(handles.levels+1))/6;

% Set values of s1, s2, s3 and s4

set(handles.s1, 'String', num2str(handles.cellnum));

set(handles.s2, 'String', num2str(handles.vertnum));

set(handles.s3, 'String', num2str(0.433*handles.edgelength^2));

set(handles.s4, 'String', ...

num2str(2*handles.cellnum*str2num(get(handles.s3, 'String'))));

% End of BLOCK

是否可以引用這段代碼(包含在BLOCK中),以便函數(shù)e2_KeyPressFcn也可以使用它？

現(xiàn)在我只是將該部分復(fù)制粘貼到函數(shù)e2_KeyPressFcn,但這似乎不是很優(yōu)雅.

最佳答案 如何為您的代碼塊創(chuàng)建幫助函數(shù)？

我正在考慮以下幾點(diǎn)：

function e1_KeyPressFcn(hObject, eventdata, handles)

handles = helper_block_func(handles);

function e2_KeyPressFcn(hObject, eventdata, handles)

handles = helper_block_func(handles);

function hout = helper_block_func(hin)

hout = hin;

% # Get values from e1 and e2 and calculate other values

hout.levels = str2num(get(hout.e1, 'String'));

hout.edgelength = str2num(get(hout.e2, 'String'));

hout.cellnum = (hout.levels ^ 3 + 3 * hout.levels ^ 2 + 2 * hout.levels) / 6;

hout.vertnum = ((hout.levels + 1) ^ 3 + 3 * (hout.levels + 1) ^ 2 ...

+ 2 * (hout.levels + 1)) / 6

% # Set values of s1, s2, s3 and s4

set(hout.s1, 'String', num2str(hout.cellnum));

set(hout.s2, 'String', num2str(hout.vertnum));

set(hout.s3, 'String', num2str(0.433 * hout.edgelength ^ 2));

set(hout.s4, 'String', ...

num2str(2 * hout.cellnum * str2num(get(hout.s3, 'String'))));

總結(jié)

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