where you saved the file upload? using GUI

% Have user browse for a file, from a specified "starting folder."
% For convenience in browsing, set a starting folder from which to browse.
startingFolder = 'C:\Program Files\MATLAB';
if ~exist(startingFolder, 'dir')
  % If that folder doesn't exist, just start in the current folder.
  startingFolder = pwd;
end
% Get the name of the file that the user wants to use.
defaultFileName = fullfile(startingFolder, '*.*');
[baseFileName, folder] = uigetfile(defaultFileName, 'Select a file');
if baseFileName == 0
  % User clicked the Cancel button.
  return;
end
fullFileName = fullfile(folder, baseFileName)

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Image Analyst 2014-8-6

在 MATLAB Online 中打开

To save instead of get a filename, use uiputfile() instead of uigetfile():

% Get the name of the file that the user wants to save.
% Note, if you're saving an image you can use imsave() instead of uiputfile().
startingFolder = userpath
defaultFileName = fullfile(startingFolder, '*.*');
[baseFileName, folder] = uiputfile(defaultFileName, 'Specify a file');
if baseFileName == 0
  % User clicked the Cancel button.
  return;
end
fullFileName = fullfile(folder, baseFileName)

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Answer 2

Ashish Gudla 2014-8-6

0
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/146567-where-you-saved-the-file-upload-using-gui#answer_147648

编辑：Ashish Gudla 2014-8-6

"uigetfile" function returns only the filename and path of the file. It does not upload the file. You can read more about this in the doc page

Once you have the file name and the path (location of the file) you can then use the appropriate file read/write functions depending on the type of file.