@echo off
echo %cmdcmdline%
if "%~1"=="按任意键退出" goto :%1
>"%temp%\.sub" cd.
start "" /b %0 按任意键退出
set 退格键=

for /l %%a in (10 -1 1) do (
     set /p =%退格键%%%a 秒后开始备份文件... [按任意键退出] <nul
     if not exist "%temp%\.sub" exit
     ping -n 2 127.1 >nul
)

echo,
echo 备份完成。

echo 按任意键退出...
exit

:按任意键退出
pause >nul
del "%temp%\.sub"
exit

pause
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@echo off&if not "%1"=="" call%*&exit
::纯批实现等待指定输入
:begin
call:timeout 10 :tsk1 626 :tsk2
:tsk1
echo\&echo "默认计划"
echo\&echo 按回车键退出
exit

:tsk2
echo "自定义计划"
pause
exit
:: /*----------------- timeout --------------------
:timeout [:label1] [:LABEL2]
setlocal&del/a/q %tmp%' 2>nul||(echo 未知错误!&pause&exit)
start/b/REALTIME %~s0 :timeout_1 %1 %2 %3 %4
:timeout_2
set "v="
set/p v=
if %v%.==%3. title %ComSpec%&cd.>%tmp%'&endlocal&goto%4
if exist %tmp%' exit ::没有输入，退出timeout
goto:timeout_2
:timeout_1 [:label1] [:LABEL2]
for /l %%a in (%1 -1 0)do (
  title 倒计时：%%a /输入:%3 跳过默认计划 %2/
  if exist %tmp%' title %ComSpec%&exit
  ping/n 2 127.1 >nul)
title %ComSpec%&cd.>%tmp%'&goto%2
:: --------------------- timeout -------------------*/
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@echo off
title 倒计时结束与按任意键中止&::by cjiabing&from http://hi.baidu.com/cjiabing
echo;
echo     导弹即将发射，开始15秒倒计时，取消请按任意键！
call :DaoJiShi
echo;
echo;
echo     你终止了倒计时。
echo;    导弹没有发射出去，世界和平！
echo;
pause
exit

:DaoJiShi
::窗口显示倒计时，结束后自动退出。
echo;
set /p=    15 秒钟后自动退出，请按任意键继续. . .<nul
if exist "%temp%\$0.tmp" del "%temp%\$0.tmp"
start /b  "" cmd /c "(for /l %%a in (10,-1,0) do @if %%a lss 10 (for %%i in (0%%a) do @set /p= %%i <nul&title %%a&ping /n 2 127.0.1>nul&if exist "%temp%\$0.tmp" exit) else (@set /p= %%a <nul&title %%a&ping /n 2 127.0.1>nul&if exist "%temp%\$0.tmp" exit))&&(title KillDaoJiShi&for /f "skip=3 tokens=2" %%a in ('TASKLIST /FI "WINDOWTITLE  eq  KillDaoJiShi"   /FI "STATUS eq running"') do taskkill /f /t /pid %%a>nul 2>nul)"
pause>nul
cd.>"%temp%\$0.tmp"
goto :eof
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@echo off
echo,start
ping -n 2 127.1>nul
rem 程序段
rem 开始
rem 倒计时时间
set t=10
:yanshi
choice /c 0123456789ABCDEFGHIJKLMNOPQRSTWVUXYZ /n /M "按任意字母键退出，倒计时%t%秒" /t 1 /d %t:~-1%
if %ERRORLEVEL% gtr 10 echo,中断&goto :jixu
set /a t-=1
if %t% gtr 0 goto :yanshi
:jixu
echo,继续
rem 程序段
rem 
rem end
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