open_file.m

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% name       :open_file
% function   :打开文件，获取谱数据
% parameter  :无
% return     :pu_data----谱数据，列向量
% author     :逐临
% time       :2018/1/4
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function pu_data=open_file（）
%% 获取文件路径和文件名
[filenamepathnamefilterindex]=uigetfile（...
    {‘*.txt‘‘文本文件（*.txt）‘;‘*.mca‘‘二进制文件（*.mca）‘;‘*.pu‘‘谱文本（*.pu）‘;‘*.*‘‘All File（*.*）‘}...
    ‘File Selector‘）;
%% 判断文件名和文件路径是否为空
if isequal（filename0） ||isequal（pathname0）
    pu_data=0;
    return;
end
%% 读取谱数据
fpath=[pathname file