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%?name???????:open_file
%?function???:打開文件，獲取譜數據
%?parameter??:無
%?return?????:pu_data----譜數據，列向量
%?author?????:逐臨
%?time???????:2018/1/4
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function?pu_data=open_file（）
%%?獲取文件路徑和文件名
[filenamepathnamefilterindex]=uigetfile（...
????{‘*.txt‘‘文本文件（*.txt）‘;‘*.mca‘‘二進制文件（*.mca）‘;‘*.pu‘‘譜文本（*.pu）‘;‘*.*‘‘All?File（*.*）‘}...
????‘File?Selector‘）;
%%?判斷文件名和文件路徑是否為空
if?isequal（filename0）?||isequal（pathname0）
????pu_data=0;
????return;
end
%%?讀取譜數據
fpath=[pathname?file