matlab uicontrol中popupmenu用法

来源：互联网发布：知乎小米笔记本屏幕编辑：程序博客网时间：2024/05/22 01:55

h0=figure('toolbar','none',...    'position',[200 150 450 250],...    'name','实例36');x=0:0.5:2*pi;y=sin(x);h=plot(x,y);grid onjb=uicontrol(gcf,'style','popupmenu',...    'string',...    'sin(x)|cos(x)|sin(x)+cos(x)|exp(-sin(x))',...    'position',[250 20 50 20]);set(jb,'value',1)huidiao=[...     'v=get(jb,''value'');,',...        'switch v,',...        'case 1,',...        'delete(h),',...        'y=sin(x);,',...        'h=plot(x,y);,',...        'grid on,',...        'case 2,',...        'delete(h),',...        'y=cos(x);,',...        'h=plot(x,y);,',...         'grid on,',...        'case 3,',...        'delete(h),',...        'y=sin(x)+cos(x);,',...        'h=plot(x,y);,',...         'grid on,',...        'case 4,',...        'delete(h),',...        'y=exp(-sin(x));,',...        'h=plot(x,y);,',...         'grid on,',...        'end'];set(jb,'callback',huidiao)set(gca,'position',[0.2 0.2 0.6 0.6])title('弹出式菜单的使用')