Options to use the switch case in matlab

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Jes
Jes 2017-10-22
回答： Image Analyst 2017-10-22
I am writing a program for adding and remove employee details using switch case statement.
Like the following
n=input('Enter the choice 1. Add 2. Remove');
switch n
case 1
Some operations
case 2
some operations
otherwise
fprintf('The choice does not exist. Please try again\n');
n=input('Enter the choice 1. Add 2. Remove');
end
i need a help in the above code. If the users enters the choice greater than 2, I should go back and execute the newly selected options( 1 or 2). Could you please help me with some options? Thanks
  1 个评论
dpb
dpb 2017-10-22
I'd suggest a couple alternatives...
  1. Limit the input to the range of the SWITCH statement in the section of code getting input before the construct; this lowers the complexity of the code structure having to encompass the whole thing,
  2. Consider LISTDLG as a way to accomplish 1) above...the user is given only the list of allowable choices from which to choose and includes a description as well as the visual clue rather than the text listing of options...

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采纳的回答

KL
KL 2017-10-22
try this,
n = 3;
while(n~=1 || n~=2)
n=input('Enter the choice 1. Add 2. Remove');
switch n
case 1
Some operations
case 2
some operations
otherwise
fprintf('The choice does not exist. Please try again\n');
end
end

更多回答（1 个）

Image Analyst
Image Analyst 2017-10-22
Don't do that. Why make it way more complicated than it needs to be? Use questdlg() instead.
buttonText = questdlg('Enter your choice', titleBarCaption, 'Add', 'Remove', 'Add');
if strcmpi(buttonText, 'Add')
% Code to add.
else
% Code to remove.
end

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