中国DOS联盟

@echo off&color bc&mode con cols=50 lines=10
for /l %%a in (1 1 100) do call set "t=%%t%%"
echo.&echo.
echo     我们每个中国人都在期盼这一自豪时刻的到来！
echo.&echo.
:at
set/a p2=10%date:~5,2%%%100,p3=10%date:~8,2%%%100
for /f "tokens=%p2%" %%i in ("0 31 60 91 121 152 182 213") do set/a n=221-(%%i+p3)
set atime=%time: =%
for /f "tokens=1-4 delims=:." %%i in ("%atime%") do set/a t1=10%%i%%100,t2=100%%j%%100,t3=10%%k%%100,t4=10%%l%%100
if %t4% gtr 0 set/a t4=100-t4,t3+=1
if %t3% gtr 0 set/a t3=60-t3,t2+=1
if %t2% gtr 0 set/a t2=60-t2,t1+=1
if %t1% gtr 20 (set/a t1=24+20-t1,n-=1) else set/a t1=20-t1
set/p=%t%   现在离北京奥运开幕还有 %n%天%t1%小时%t2%分%t3%秒%t4%<nul
goto at