h1=uicontrol(gcf,'style','radio',... 'string','加',... 'value',1,... 'position',[20 150 40 20],... 'callback',[... 'k=1;,',... 'set(h1,''value'',1),',... 'set(h2,''value'',0),',... 'set(h3,''value'',0)']); h2=uicontrol(gcf,'style','radio',... 'string','减',... 'position',[20 110 40 20],... 'callback',[... 'k=2;,',... 'set(h2,''value'',1),',... 'set(h1,''value'',0),',... 'set(h3,''value'',0)']); h3=uicontrol(gcf,'style','radio',... 'string','乘',... 'position',[20 70 40 20],... 'callback',[... 'k=3;,',... 'set(h3,''value'',1),',... 'set(h2,''value'',0),',... 'set(h1,''value'',0)']); e1=uicontrol(gcf,'style','edit',... 'position',[80 150 100 20]); e2=uicontrol(gcf,'style','edit',... 'position',[80 110 100 20]); e3=uicontrol(gcf,'style','edit',... 'position',[80 70 100 20]); b1=uicontrol(gcf,'style','pushbutton',... 'string','运算',... 'position',[200 150 80 30],... 'callback',[... 'x=str2num(get(e1,''string''));,',... 'y=str2num(get(e2,''string''));,',... 'switch k,',... 'case 1,',... 'z=x+y;,',... 'case 2,',... 'z=x-y;,',... 'case 3,',... 'z=x*y;,',... 'end,',... 'set(e3,''string'',num2str(z))']); b2=uicontrol(gcf,'style','pushbutton',... 'string','退出',... 'position',[200 100 80 30],... 'callback','close'); 实例46:曲线色彩的修改
h0=figure('toolbar','none',... 'position',[198 56 408 468],... 'name','my second gui'); h1=axes('parent',h0,... 'position',[0.15 0.45 0.7 0.5],... 'visible','on'); x=0:0.1:2*pi; k=plot(x,sin(x)); xlabel('自变量X'); ylabel('函数值Y'); title('图形色彩改变'); p1=uicontrol('parent',h0,... 'style','pushbutton',... 'backgroundcolor','r',... 'position',[60 100 50 30],... 'callback','set(k,''color'',''r'')'); p2=uicontrol('parent',h0,... 'style','pushbutton',... 'backgroundcolor','g',... 'position',[170 100 50 30],... 'callback','set(k,''color'',''g'')'); p3=uicontrol('parent',h0,... 'style','pushbutton',... 'backgroundcolor','b',... 'position',[280 100 50 30],... 'callback','set(k,''color'',''b'')'); p4=uicontrol('parent',h0,... 'style','pushbutton',... 'backgroundcolor',[1 1 1],... 'fontsize',20,... 'fontweight','demi',... 'string','关闭',... 'position',[150 30 80 60],... 'callback','close'); t1=uicontrol('parent',h0,... 'style','text',... 'string','红色',... 'fontsize',12,... 'fontweight','demi',... 'position',[60 120 50 20]); t2=uicontrol('parent',h0,... 'style','text',... 'string','绿色',... 'fontsize',12,... 'fontweight','demi',... 'position',[170 120 50 20]); t3=uicontrol('parent',h0,... 'style','text',... 'string','蓝色',... 'fontsize',12,... 'fontweight','demi',... 'position',[280 120 50 20]);
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