It is working, but when I uncomment the section that is comment inted or adding one song, it adds all of them.

7 次查看（过去 30 天）
Enrico
Enrico 2023-3-14
It is working, but when I uncomment the section that is comment inted or adding one song, it adds all of them. example
if ihave 20 songs and i add one it will copy all 20 plus the one added and then they became 41 insted of 21.
code
fprintf(' Let''s get started! \n');
% Define variables.
SongFound = 0;
exitflag = false;
ModSelection = input(' Would you like to sign in as a User or Administrator? ','s');
while strcmpi(ModSelection ,'User') ~=1 && strcmpi(ModSelection ,'Administrator') ~=1
fprintf(' You have selected a not existing option. \n');
ModSelection = input(' Are you a User or an Administrator ','s');
end
if strcmpi(ModSelection ,'Administrator')
fprintf(' Welcome to the MusicLive hardcore. \n');
% admname = input(' What is your Username? ','s');
% while admname ~= "AdmMusicLive"
% fprintf(' Incorrect username! \n');
% admname = input(' What is your username, NERD!!! ','s');
% end
% fprintf(' Username correct \n');
% admpassword = input(' What is your password? ','s');
% while admpassword ~= "AdmPassword"
% fprintf(' Incorrect password! \n');
% admpassword = input(' What is the correct password, NERD!!! ','s');
% end
% fprintf(' Password correct \n');
% fprintf(' %s, you have successfully entered into hardcode of the software. \n', User_Name);
% fprintf(' You will have access to Add, Delete and Edit the software database. \n')
while ~exitflag
OptSelection = input(' Wound you like to Add, Delete, or Edit a song? ', 's');
while strcmpi(OptSelection,'Add') ~=1 && strcmpi(OptSelection,'Delete') ~=1 ...
&& strcmpi(OptSelection,'Edit') ~=1
fprintf(' You have selected a not existing option \n');
OptSelection = input(' Selected a valid option ','s');
end
%--------------------------------------------------------------------------------
if strcmpi(OptSelection,"Add")
SongName = input(" What is the song's name? ",'s');
while isempty(SongName)
fprintf(' Invalid name, enter a name with only alphabetical characters \n');
SongName = input(" What is the song's name? ",'s');
end
fprintf(" The name of the new songs was entered correctly \n");
fprintf(" \n");
SongSinger = input(' Who is the song''s singer ','s');
while isempty(SongSinger)
fprintf(' Invalid name, enter a name with only alphabetical characters \n');
SongSinger= input(" How is the song''s singer ",'s');
end
fprintf(" The singer of the new songs was entered correctly \n");
fprintf(" \n");
SongTime = input(" What is the song's length in minutes (round to the nearest whole number)? ");
while isempty(SongTime) || SongTime < 0
fprintf(' Error, the value entered is incorrect \n');
SongTime = input(' Please, enter a whole number ');
end
if SongTime <= 2
SongTime = "ShortOpt";
elseif SongTime >= 3
SongTime = "IntermediateOpt";
elseif SongTime >= 4
SongTime = "LongOpt";
end
fprintf(' The new song time was entered successfully. \n');
fprintf(" \n");
fprintf(" Enter the song genre. \n");
fprintf(" The three options for the song's genre are Rock, Pop, and Country. \n");
SongGenre = input(" What is the song's genre? ",'s');
while strcmpi(SongGenre,'Rock') ~=1 && strcmpi(SongGenre,'Pop') ~=1 ...
&& strcmpi(SongGenre,'Country') ~=1
fprintf(' You have selected a not existing option \n');
fprintf(' Selected Rock, Pop, or Country. \n');
SongGenre = input(' Selected the correct option ','s');
fprintf(' The new song genre was entered successfully. \n');
end
fprintf(" The genre of the new songs was entered correctly. \n");
fprintf(" \n");
fprintf(" The three options for the song's language are English, Italian, and Romanian. \n");
SongLanguage = input(" What is the language of the song? ", 's');
while strcmpi(SongLanguage,'English') ~=1 && strcmpi(SongLanguage,'Italian') ~=1 ...
&& strcmpi(SongLanguage,'Romanian') ~=1
fprintf(' You have selected a not existing option NERD!!! \n');
fprintf(' Selected English, Italian, or Romanian. \n');
SongLanguage = input(' Selected the correct option ','s');
end
fprintf(' The new song language was entered successfully. \n');
fprintf(" \n");
fprintf(' The song name is %s \n', SongName);
fprintf(' The song singer is %s \n', SongSinger);
fprintf(' The song time is %s \n', SongTime);
fprintf(' The song genre is %s \n', SongGenre);
fprintf(' The song language is %s \n', SongLanguage);
fprintf(' Select Yes if desired to save the changes; if not select No \n');
RepreProcessA = input(' Yes or No ','s' );
while strcmpi(RepreProcessA, 'No') ~= 1 && strcmpi(RepreProcessA, 'Yes') ~= 1
fprintf(' Select Yes or No NERD!!! \n');
RepreProcessA = input(' Selected Yes if desired to save the changes; if not selected No ','s');
end
NewData = [{SongName}, {SongSinger} {SongTime}, {SongGenre}, {SongLanguage}];
writecell(NewData,'Music_Database.xlsx','WriteMode','append')
fprintf(' Song saved succesfully!\n');
end
fprintf( 'Would you like to exit or return to the menu?\n ');
ExitSelection = input( 'Exit or Return? ','s' );
while strcmpi(ExitSelection,'Exit') ~=1 && strcmpi(ExitSelection,'Return') ~=1
fprintf(' You have selected a not existing option \n');
ExitSelection = input(' Selected a valid option ','s');
end
if strcmpi(ExitSelection,"Exit")
fprintf( 'Exiting...\n' );
exitflag = true;
else
fprintf( 'Returning...\n' );
end
end
end

请先登录，再回答此问题。

回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Scope Variables and Generate Names 的更多信息

标签

产品


版本

R2022b

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by