【奠基经典】MATLAB实用程序案例之除法计算器

青年梦想家

除法计算器

实例：

h=figure('toolbar','none',...

'position',[200 150 450 250],...

'name','实例41');

h1=uicontrol(gcf,'style','edit',...

'position',[80 200 100 20],...

'HorizontalAlignment','right',...

'callback',['m=get(h1,''string'');,',...

'a=str2num(m);']);

h2=uicontrol(gcf,'style','edit',...

'HorizontalAlignment','right',...

'position',[80 150 100 20],...

'callback',['n=get(h2,''string'');,',...

'b=str2num(n);']);

h3=uicontrol(gcf,'style','text',...

'string','被除数',...

'position',[80 230 100 20]);

h4=uicontrol(gcf,'style','edit',...

'position',[80 50 100 20]);

h5=uicontrol(gcf,'style','pushbutton',...

'position',[80 100 100 20],...

'string','=',...

'callback',[...

'if b==0,',...

'h7=errordlg(''除数不能为0！'',''error'',''on'');,',...

'else,',...

'k=a/b;,',...

'c=num2str(k);,',...

'set(h4,''string'',c),',...

'end']);

h8=uicontrol(gcf,'style','text',...

'string','除数',...

'position',[80 175 100 20]);

h9=uicontrol(gcf,'style','text',...

'string','商',...

'position',[80 75 100 20]);

关于本帖内容欢迎大家踊跃讨论，与在下交流！