写一段BAT代码要求将多个excel文件合并为一个文件 文件路径为：CUsersMarcDesktopkey

@echo off set "outputFile=C:\Users\Marc\Desktop\key\merged.xlsx"

REM Create an empty temporary file echo. > temp.csv

REM Loop through each Excel file in the specified folder for %%f in (C:\Users\Marc\Desktop\key*.xlsx) do ( REM Convert each Excel file to CSV format echo Converting "%%f" to CSV format... "C:\Program Files\Microsoft Office\Office16\excel.exe" "%%f" /r /e /x "temp.csv"

REM Append the contents of the CSV file to the output file
echo Appending "%%f" to the output file...
type "temp.csv" >> "%outputFile%"

)

REM Delete the temporary file del temp.csv

echo All files merged successfully into "%outputFile%". paus