MATLAB绘制饼状图

function shili09
h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例09');
t=[54 21 35;
68 54 35;
45 25 12;
48 68 45;
68 54 69];
x=sum(t);                                %列求和
h=pie(x);                               %绘制饼状图
textobjs=findobj(h,'type','text');
str1=get(textobjs,{'string'});
val1=get(textobjs,{'extent'});
oldext=cat(1,val1{:});                      %把胞体val1变成矩阵
names={'商品一：';'商品二：';'商品三：'};
str2=strcat(names,str1);                    %连接字符串names和str1
set(textobjs,{'string'},str2)
val2=get(textobjs,{'extent'});
newext=cat(1,val2{:});
offset=sign(oldext(:,1)).*(newext(:,3)-oldext(:,3))/2; %sign判断符合
pos=get(textobjs,{'position'});
textpos=cat(1,pos{:});
textpos(:,1)=textpos(:,1)+offset;
set(textobjs,{'position'},num2cell(textpos,[3,2]))