MATLAB编写回调函数（部分 更新）

t=0:0.001:4*pi;
figure('menubar','none');
x=plot(t,sin(t));
grid on;
set(gca,'xlim',[0 2*pi]);
h1=uimenu('label','颜色设置');
c1=set(x,'Color','red');
c2=set(x,'Color','green');
c2=set(x,'Color','blue');
uimenu(h1,'label','红色','accelerator','R','callback',c1);
uimenu(h1,'label','绿色','accelerator','G','callback',c2);
uimenu(h1,'label','蓝色','accelerator','B','callback',c3);






x=rand(10,4);
figure;
h=uitable('data',x);
set(h,'units','normalized','position',[0.1 0.5 0.8 0.8]);




% msgbox('warning','title','warn');
% warndlg('warning');
a=inputdlg({'user name:'...
    ,'passward:'},...
    'log in');


c=questdlg('Are you sure to close the dialog ?');
switch c,
    case 'Yes'
        disp('you choose yes !');
    case 'No'
        disp('you choose no !');
    case 'Cancel'
        disp('you choose cancle  !');
end


a=get(handles.edit1,'String');
if isempty(a)
    set(handles.edit1,'String','0');
end
guidata(hObject,handles);


a=get(handles.edit2,'String');
if isempty(a)
    set(handles.edit2,'String','0');
end
guidata(hObject,handles);






a=get(handles.edit1,'String');
b=get(handles.edit2,'String');
c=str2num(a)*str2num(b);
set(handles.text3,'String',num2str(c));
guidata(hObject,handles);




a=get(handles.edit2,'String');
if isempty(a)
    set(handles.edit2,'String','0');
end
guidata(hObject,handles);




h=gca;
cla(h);
set(handles.edit1,'String','10');
set(handles.edit2,'String','0');
set(handles.edit3,'String','1');




x=linspace(-5,5,50);
y=x;
for w=2:0.5:6    
        [X Y]=meshgrid(x,y);
        Z=1/sqrt(2*pi)*w.*exp(-(X.^2+Y.^2))./2*w*w;
        mesh(X,Y,Z);
        axis equal;
        pause(0.5);
end




a=str2num(get(handles.edit1,'String'));
b=str2num(get(handles.edit2,'String'));
c=str2num(get(handles.edit3,'String'));
x=linspace(-a,a,50);
y=linspace(-b,b,50);
w=c;
[X Y]=meshgrid(x,y);
Z=1/sqrt(2*pi)*w.*exp(-(X.^2+Y.^2))./2*w*w;
mesh(X,Y,Z);
axis equal;


h=gca;
cla(h);
set(handles.edit1,'String','0');
set(handles.edit2,'String','0');
set(handles.edit3,'String','1');




val=get(hObject,'Value');
str=get(hObject,'String');
switch str{val}
     case 'peaks'
        handles.current_data=handles.peaks;
     case 'sphere'
        handles.current_data=handles.sphere;
     case 'sinc'
        handles.current_data=handles.sinc;
end

guidata(hObject,handles);      

+++++++++++++++++++++++++++++++++++++

h=figure;%创建一个窗口
% get(h)   %获得h的所有属性
set(h,'units','normalized','menu','none',...
    'Position',[0.1 0.1 0.5 0.5]);  %设置h的有关属性
ha=axes;
set(ha,'parent',h,'units','normalized',...
    'position',[0.1 0.1 0.8 0.8]);%注意此处为设置ha的属性
                                  %指定其父对象为h,h不加引号
x=linspace(-8,8,1000);
y=sinc(x);
h1=line('parent',ha,'xdata',x,'ydata',y,...
    'color','r');
str='bgrcmykw';
for i=1:length(str)
    set(h1,'color',str(i));
    pause(2);
end


h=figure('units','normalized','menu',...
    'none','position',[0.1 0.1 0.5 0.5]);
ha=axes('parent',h,'units','normalized'...
    ,'position',[0.1 0.1 0.8 0.8]);
x=linspace(-5,5,100);
y=sinc(x);
h1=line('parent',ha,'xdata',x,...
    'ydata',y,'color','r','linewidth',2);
str='dhopsx';
for i=1:length(str)
    set(h1,'marker',str(i));
    pause(2);
end