matlab读文件答:pushbutton1的 global a a = xlsread('gpsdushu.xls');matstr = {};for i=1:3 matstr{i} = strcat(num2str(a(i,1)),num2str(a(i,2)),num2str(a(i,3)));end set(handles.listbox1,'string',matstr);pushbutton2的 global a x1 = a(1,1);x2 = a(2,1);x3 = a(3,1...