guihao

REM 第一种
@echo off
for %%i in (10,9,8,7,6,5,4,3,2,1,0) do (
cls&echo %%i
for /l %%i in (1,1,200) do echo e>null
)
pause
REM　第二种
for /l %%i in (10,-1,0) do (
cls&echo %%i
for /l %%i in (1,1,200) do echo e>null
)
pause

REM 第三种
echo 10
echo 9
echo 8
echo 7
echo 6
echo 5
echo 4
echo 3
echo 2
echo 1
echo 0
echo "谢谢"

pause

REM 第四种
@echo off
set a=10
call :d
:d
if %a% LSS 0 goto :eof
echo %a%
set /a a=a-1
goto d
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