为啥我的MATLAB6.5中 xlswrite函数不能用？看完补充说明后解答，解释合理了奖励。谢谢各位

Posted 2023-05-11

运行 xlswrite('testdata.xls', [12.7 5.02 -98 63.9 0 -.2 56])
显示 Undefined function or variable 'xlswrite'.
运行 help xlswrite
显示 xlswrite.m not found.
在帮助文件中输入xlswrite，搜索不到相关的
xlsread可以用

参考技术A 没有xlswrite函数，我这个版本有，你自己拷去建个m文件
function [success,message]=xlswrite(file,data,sheet,range)
% XLSWRITE Stores numeric array or cell array in Excel workbook.
% [SUCCESS,MESSAGE]=XLSWRITE(FILE,ARRAY,SHEET,RANGE) writes ARRAY to the Excel
% workbook, FILE, into the area, RANGE in the worksheet specified in SHEET.
% FILE and ARRAY must be specified. If either FILE or ARRAY is empty, an
% error is thrown and XLSWRITE terminates. The first worksheet of the
% workbook is the default. If SHEET does not exist, a new sheet is added at
% the end of the worksheet collection. If SHEET is an index larger than the
% number of worksheets, new sheets are appended until the number of worksheets
% in the workbook equals SHEET. The size defined by the RANGE should fit the
% size of ARRAY or contain only the first cell, e.g. 'A2'. If RANGE is larger
% than the size of ARRAY, Excel will fill the remainder of the region with
% #N/A. If RANGE is smaller than the size of ARRAY, only the sub-array that
% fits into RANGE will be written to FILE. The success of the operation is
% returned in SUCCESS and any accompanying message, in MESSAGE. On error,
% MESSAGE shall be a struct, containing the error message and message ID.
% See NOTE 1.
%
% To specify SHEET or RANGE, but not both, you can call XLSWRITE with
% just three inputs. If the third input is a string that includes a colon
% character (e.g., 'D2:H4'), it specifies RANGE. If it is not (e.g.,
% 'SALES'), it specifies the worksheet to write to. See the next two
% syntaxes below.
%
% [SUCCESS,MESSAGE]=XLSWRITE(FILE,ARRAY,SHEET) writes ARRAY to the Excel
% workbook, FILE, starting at cell A1 and using SHEET as described above.
%
% [SUCCESS,MESSAGE]=XLSWRITE(FILE,ARRAY,RANGE) writes ARRAY to the Excel
% workbook, FILE, in the first worksheet and using RANGE as described above.
%
% [SUCCESS,MESSAGE]=XLSWRITE(FILE,ARRAY) writes ARRAY to the Excel
% workbook, FILE, starting at cell A1 of the first worksheet. The return
% values are as for the above example.
%
% XLSWRITE ARRAY FILE, is the command line version of the above example.
%
% INPUT PARAMETERS:
% file: string defining the workbook file to write to.
% Default directory is pwd; default extension 'xls'.
% array: m x n numeric array or cell array.
% sheet: string defining worksheet name;
% double, defining worksheet index.
% range: string defining data region in worksheet, using the Excel
% 'A1' notation.
%
% RETURN PARAMETERS:
% SUCCESS: logical scalar.
% MESSAGE: struct containing message field and message_id field.
%
% EXAMPLES:
%
% SUCCESS = XLSWRITE('c:\matlab\work\myworkbook.xls',A,'A2:C4') will write A to
% the workbook file, myworkbook.xls, and attempt to fit the elements of A into
% the rectangular worksheet region, A2:C4. On success, SUCCESS will contain true,
% while on failure, SUCCESS will contain false.
%
% NOTE 1: The above functionality depends upon Excel as a COM server. In
% absence of Excel, ARRAY shall be written as a text file in CSV format. In
% this mode, the SHEET and RANGE arguments shall be ignored.
%
% See also XLSREAD, WK1WRITE, CSVWRITE.
%

% Copyright 1984-2007 The MathWorks, Inc.
% $Revision: 1.1.6.14 $ $Date: 2007/12/06 13:30:16 $
%==============================================================================
% Set default values.
Sheet1 = 1;

if nargin < 3
sheet = Sheet1;
range = '';
elseif nargin < 4
range = '';
end

if nargout > 0
success = true;
message = struct('message','','identifier','');
end

% Handle input.
try
% handle requested Excel workbook filename.
if ~isempty(file)
if ~ischar(file)
error('MATLAB:xlswrite:InputClass','Filename must be a string.');
end
% check for wildcards in filename
if any(findstr('*', file))
error('MATLAB:xlswrite:FileName', 'Filename must not contain *.');
end
[Directory,file,ext]=fileparts(file);
if isempty(ext) % add default Excel extension;
ext = '.xls';
end
file = abspath(fullfile(Directory,[file ext]));
[a1 a2] = fileattrib(file);
if a1 && ~(a2.UserWrite == 1)
error('MATLAB:xlswrite:FileReadOnly', 'File cannot be read-only.');
end
else % get workbook filename.
error('MATLAB:xlswrite:EmptyFileName','Filename is empty.');
end

% Check for empty input data
if isempty(data)
error('MATLAB:xlswrite:EmptyInput','Input array is empty.');
end

% Check for N-D array input data
if ndims(data)>2
error('MATLAB:xlswrite:InputDimension',...
'Dimension of input array cannot be higher than two.');
end

% Check class of input data
if ~(iscell(data) || isnumeric(data) || ischar(data)) && ~islogical(data)
error('MATLAB:xlswrite:InputClass',...
'Input data must be a numeric, cell, or logical array.');
end

% convert input to cell array of data.
if iscell(data)
A=data;
else
A=num2cell(data);
end

if nargin > 2
% Verify class of sheet parameter.
if ~(ischar(sheet) || (isnumeric(sheet) && sheet > 0))
error('MATLAB:xlswrite:InputClass',...
'Sheet argument must be a string or a whole number greater than 0.');
end
if isempty(sheet)
sheet = Sheet1;
end
% parse REGION into sheet and range.
% Parse sheet and range strings.
if ischar(sheet) && ~isempty(strfind(sheet,':'))
range = sheet; % only range was specified.
sheet = Sheet1;% Use default sheet.
elseif ~ischar(range)
error('MATLAB:xlswrite:InputClass',...
'Range argument must be a string in Excel A1 notation.');
end
end

catch exception
if ~isempty(nargchk(2,4,nargin))
error('MATLAB:xlswrite:InputArguments',nargchk(2,4,nargin));
else
success = false;
message = exceptionHandler(nargout, exception);
end
return;
end
%------------------------------------------------------------------------------
% Attempt to start Excel as ActiveX server.
try
Excel = actxserver('Excel.Application');

catch exception %#ok<NASGU>
warning('MATLAB:xlswrite:NoCOMServer',...
['Could not start Excel server for export.\n' ...
'XLSWRITE will attempt to write file in CSV format.']);
if nargout > 0
[message.message,message.identifier] = lastwarn;
end
% write data as CSV file, that is, comma delimited.
file = regexprep(file,'(\.xls)$','.csv'); % change extention to 'csv'.
try
dlmwrite(file,data,','); % write data.
catch exception
exceptionNew = MException('MATLAB:xlswrite:dlmwrite', 'An error occurred on data export in CSV format.');
exceptionNew = exceptionNew.addCause(exception);
if nargout == 0
% Throw error.
throw(exceptionNew);
else
success = false;
message.message = exceptionNew.getReport;
message.identifier = exceptionNew.identifier;
end
end
return;
end
%------------------------------------------------------------------------------
try
% Construct range string
if isempty(strfind(range,':'))
% Range was partly specified or not at all. Calculate range.
[m,n] = size(A);
range = calcrange(range,m,n);
end
catch exception
success = false;
message = exceptionHandler(nargout, exception);
return;
end

%------------------------------------------------------------------------------
try
bCreated = false;
if ~exist(file,'file')
% Create new workbook.
bCreated = true;
%This is in place because in the presence of a Google Desktop
%Search installation, calling Add, and then SaveAs after adding data,
%to create a new Excel file, will leave an Excel process hanging.
%This workaround prevents it from happening, by creating a blank file,
%and saving it. It can then be opened with Open.
ExcelWorkbook = Excel.workbooks.Add;
ExcelWorkbook.SaveAs(file)
ExcelWorkbook.Close(false);
end

%Open file
ExcelWorkbook = Excel.workbooks.Open(file);
if ExcelWorkbook.ReadOnly ~= 0
%This means the file is probably open in another process.
error('MATLAB:xlswrite:LockedFile', 'The file %s is not writable. It may be locked by another process.', file);
end
try % select region.
% Activate indicated worksheet.
message = activate_sheet(Excel,sheet);

% Select range in worksheet.
Select(Range(Excel,sprintf('%s',range)));

catch exceptionInner % Throw data range error.
throw(MException('MATLAB:xlswrite:SelectDataRange', sprintf('Excel returned: %s.', exceptionInner.message)));
end

% Export data to selected region.
set(Excel.selection,'Value',A);
ExcelWorkbook.Save
ExcelWorkbook.Close(false) % Close Excel workbook.
Excel.Quit;
catch exception
try
ExcelWorkbook.Close(false); % Close Excel workbook.
catch
end
Excel.Quit;
delete(Excel); % Terminate Excel server.
if (bCreated && exist(file, 'file') == 2)
delete(file);
end
success = false;
message = exceptionHandler(nargout, exception);
end
%--------------------------------------------------------------------------
function message = activate_sheet(Excel,Sheet)
% Activate specified worksheet in workbook.

% Initialise worksheet object
WorkSheets = Excel.sheets;
message = struct('message','','identifier','');

% Get name of specified worksheet from workbook
try
TargetSheet = get(WorkSheets,'item',Sheet);
catch exception %#ok<NASGU>
% Worksheet does not exist. Add worksheet.
TargetSheet = addsheet(WorkSheets,Sheet);
warning('MATLAB:xlswrite:AddSheet','Added specified worksheet.');
if nargout > 0
[message.message,message.identifier] = lastwarn;
end
end

% activate worksheet
Activate(TargetSheet);
%------------------------------------------------------------------------------
function newsheet = addsheet(WorkSheets,Sheet)
% Add new worksheet, Sheet into worsheet collection, WorkSheets.

if isnumeric(Sheet)
% iteratively add worksheet by index until number of sheets == Sheet.
while WorkSheets.Count < Sheet
% find last sheet in worksheet collection
lastsheet = WorkSheets.Item(WorkSheets.Count);
newsheet = WorkSheets.Add([],lastsheet);
end
else
% add worksheet by name.
% find last sheet in worksheet collection
lastsheet = WorkSheets.Item(WorkSheets.Count);
newsheet = WorkSheets.Add([],lastsheet);
end
% If Sheet is a string, rename new sheet to this string.
if ischar(Sheet)
set(newsheet,'Name',Sheet);
end

%------------------------------------------------------------------------------
function [absolutepath]=abspath(partialpath)

% parse partial path into path parts
[pathname filename ext] = fileparts(partialpath);
% no path qualification is present in partial path; assume parent is pwd, except
% when path string starts with '~' or is identical to '~'.
if isempty(pathname) && isempty(strmatch('~',partialpath))
Directory = pwd;
elseif isempty(regexp(partialpath,'(.:|\\\\)','once')) && ...
isempty(strmatch('/',partialpath)) && ...
isempty(strmatch('~',partialpath));
% path did not start with any of drive name, UNC path or '~'.
Directory = [pwd,filesep,pathname];
else
% path content present in partial path; assume relative to current directory,
% or absolute.
Directory = pathname;
end

% construct absulute filename
absolutepath = fullfile(Directory,[filename,ext]);
%------------------------------------------------------------------------------
function range = calcrange(range,m,n)
% Calculate full target range, in Excel A1 notation, to include array of size
% m x n

range = upper(range);
cols = isletter(range);
rows = ~cols;
% Construct first row.
if ~any(rows)
firstrow = 1; % Default row.
else
firstrow = str2double(range(rows)); % from range input.
end
% Construct first column.
if ~any(cols)
firstcol = 'A'; % Default column.
else
firstcol = range(cols); % from range input.
end
try
lastrow = num2str(firstrow+m-1); % Construct last row as a string.
firstrow = num2str(firstrow); % Convert first row to string image.
lastcol = dec2base27(base27dec(firstcol)+n-1); % Construct last column.

range = [firstcol firstrow ':' lastcol lastrow]; % Final range string.
catch exception %#ok<NASGU>
error('MATLAB:xlswrite:CalculateRange', 'Invalid data range: %s.', range);
end

%----------------------------------------------------------------------
function string = index_to_string(index, first_in_range, digits)

letters = 'A':'Z';
working_index = index - first_in_range;
outputs = cell(1,digits);
[outputs1:digits] = ind2sub(repmat(26,1,digits), working_index);
string = fliplr(letters([outputs:]));
%----------------------------------------------------------------------
function [digits first_in_range] = calculate_range(num_to_convert)

digits = 1;
first_in_range = 0;
current_sum = 26;
while num_to_convert > current_sum
digits = digits + 1;
first_in_range = current_sum;
current_sum = first_in_range + 26.^digits;
end
%------------------------------------------------------------------------------
function s = dec2base27(d)

% DEC2BASE27(D) returns the representation of D as a string in base 27,
% expressed as 'A'..'Z', 'AA','AB'...'AZ', and so on. Note, there is no zero
% digit, so strictly we have hybrid base26, base27 number system. D must be a
% negative integer bigger than 0 and smaller than 2^52.
%
% Examples
% dec2base(1) returns 'A'
% dec2base(26) returns 'Z'
% dec2base(27) returns 'AA'
%-----------------------------------------------------------------------------

d = d(:);
if d ~= floor(d) || any(d(:) < 0) || any(d(:) > 1/eps)
error('MATLAB:xlswrite:Dec2BaseInput',...
'D must be an integer, 0 <= D <= 2^52.');
end
[num_digits begin] = calculate_range(d);
s = index_to_string(d, begin, num_digits);

%------------------------------------------------------------------------------
function d = base27dec(s)
% BASE27DEC(S) returns the decimal of string S which represents a number in
% base 27, expressed as 'A'..'Z', 'AA','AB'...'AZ', and so on. Note, there is
% no zero so strictly we have hybrid base26, base27 number system.
%
% Examples
% base27dec('A') returns 1
% base27dec('Z') returns 26
% base27dec('IV') returns 256
%-----------------------------------------------------------------------------

if length(s) == 1
d = s(1) -'A' + 1;
else
cumulative = 0;
for i = 1:numel(s)-1
cumulative = cumulative + 26.^i;
end
indexes_fliped = 1 + s - 'A';
indexes = fliplr(indexes_fliped);
indexes_in_cells = mat2cell(indexes, 1, ones(1,numel(indexes)));
d = cumulative + sub2ind(repmat(26, 1,numel(s)), indexes_in_cells:);
end
%-------------------------------------------------------------------------------

function messageStruct = exceptionHandler(nArgs, exception)
if nArgs == 0
throwAsCaller(exception);
else
messageStruct.message = exception.message;
messageStruct.identifier = exception.identifier;
end本回答被提问者采纳

MATLAB向Excel文件写数据

其主要的调用形式为：

xlswrite(‘filename.xls‘,variable);

其中variable表示需要写入Excel文件的变量名称

把一个5×10矩阵写到Excel文件data5.xls表单的Sheet1中B2开始的域中：

a=rand(5,10);
xlswrite(‘data5.xls‘,a,‘Sheet1‘,‘B2‘);

读写Excel数据时，Excel文件一定要关闭，以免无法读写。