fread_xls (MathScript RT Module Function)

LabVIEW 2012 MathScript RT模块帮助

版本日期:June 2012



Owning Class: support

Requires: MathScript RT Module (Windows)



fread_xls(file, sheet)

fread_xls(file, sheet, range)

a = fread_xls(file)

a = fread_xls(file, sheet)

a = fread_xls(file, sheet, range)

Legacy Name: xlsread


Reads data from a Microsoft Excel spreadsheet file.




Name Description
file Specifies the Excel file you want to read. file is a string.
sheet Specifies the spreadsheet in file you want to read. sheet can be an integer that specifies the index of a spreadsheet or a string that specifies the name of a spreadsheet. If you do not specify sheet, LabVIEW reads data from the first spreadsheet in file.
range Specifies the range of data in sheet you want to read. range is a string. If you do not specify range, LabVIEW reads all data from sheet.


Name Description
a Returns the data LabVIEW reads from file.


If you want to read data from a single cell, you can use a cell number, such as 'A1', to specify the range. If you want to read data from a block of cells, you can use a colon as a range operator to specify the range. For example, you can specify 'A1:B3', where A1 and B3 specify the top left and bottom right cells of the block of cells from which you want to read data. If you use a range operator to specify the range or if you do not specify a range, all call data in the range must be scalar. Otherwise, this function returns NaN.

The following table lists the support characteristics of this function.

Supported in the LabVIEW Run-Time Engine Yes
Supported on RT targets Yes
Suitable for bounded execution times on RT Not characterized


a = magic(3);
fwrite_xls('test', a);
b = fread_xls('test')

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