matlab 控件之间通过GUI Data传递数据

1.前言

2.用户界面

3.回调函数

function slider1_Callback(hObject, eventdata, handles)

set(handles.edit1,'String',num2str(get(handles.slider1,'Value')*255));

function edit1_Callback(hObject, eventdata, handles)

val = str2double(get(hObject,'String'))/255;
% Determine whether val is a number between 0 and 1.
if isnumeric(val) && length(val)==1 && ...
val >= get(handles.slider1,'Min') && ...
val <= get(handles.slider1,'Max')
set(handles.slider1,'Value',val);
else
set(hObject,'String','You have entered an invalid entry!');
end

4.运行效果