Lumiere

@echo off&Setlocal enabledelayedexpansion
set /p n=请输入您要显示的数列的项数然后回车：
set /a n1=1&set /a n2=2
echo !n1!>>a.txt
echo !n2!>>a.txt
for /l %%a in (3 1 %n%) do (
set /a n3=!n1!+!n2!&echo !n3!>>a.txt
set /a n1=!n2!&set /a n2=!n3!
)
Endlocal
pause
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回复 1# 悬崖之树