function demoxlsx
t=0:0.1:2*pi;
y=sin(t);
xlswrite('b.xlsx',y);
hf=figure();
ha=axes('parent',hf,'units','normalized','position',[0.1 0.1 0.6 0.6]);
hb=uicontrol('Parent',hf,'Style','Pushbutton','Position',[0.7 0.4 0.2 0.1],'String','加载','Callback',{@hbcall,ha});
function hbcall(obj,event,ha)
datas=xlsread('b.xlsx','sheet1');
axis(ha);
line('xdata',1:length(datas),'ydata',datas);
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