时钟

h=figure('menubar','none','name','bell');
nowtime=floor(clock);
nian=uicontrol('style','text','position',[20 80 30 20],'string',num2str(nowtime(1)));
yue=uicontrol('style','text','position',[80 80 30 20],'string',num2str(nowtime(2)));
ri=uicontrol('style','text','position',[140 80 30 20],'string',num2str(nowtime(3)));
sfm=uicontrol('style','text','position',[40 30 100 20],'string',...
    [num2str(nowtime(4)) num2str(nowtime(5)) num2str(nowtime(6))]);
gb=uicontrol('string','关闭','position',[150 30 100 20],'callback','close');
while 1
    nowtime=floor(clock);
    set(nian,'string',num2str(nowtime(1)));
    set(yue,'string',num2str(nowtime(2)));
    set(ri,'string',num2str(nowtime(3)));
    set(sfm,'string',[num2str(nowtime(4)) ':' num2str(nowtime(5)) ':' num2str(nowtime(6))]);
    pause(1)
end