smss

@echo off
SetLocal EnableDelayedExpansion
set CURRENT_DATE=%date:~0,10%  
set CURRENT_TIME=%time:~0,8%  
set MSG=%CURRENT_DATE% %CURRENT_TIME% 执行开始  
set H1=%CURRENT_TIME:~0,2%  
set /a H1=%H1:0=%+0  
set M1=%CURRENT_TIME:~3,2%  
set /a M1=%M1:0=%+0  
set S1=%CURRENT_TIME:~6,2%  
set /a S1=%S1:0=%+0  
echo %MSG%  
echo %MSG% >> 程序执行时间.log  
  
::程序的执行命令  
::================================================  
ping 127.0.0.1 >nul  
::================================================  
  
set CURRENT_DATE=%date:~0,10%  
set CURRENT_TIME=%time:~0,8%  
set MSG=%CURRENT_DATE% %CURRENT_TIME% 执行结束  
set H2=%CURRENT_TIME:~0,2%  
set /a H2=%H2:0=%+0  
set M2=%CURRENT_TIME:~3,2%  
set /a M2=%M2:0=%+0  
set S2=%CURRENT_TIME:~6,2%  
set /a S2=%S2:0=%+0  
echo %MSG%  
echo %MSG% >> 程序执行时间.log  
  
set /a TIME_SECOND1=%H1%*3600+%M1%*60+%S1%  
set /a TIME_SECOND2=%H2%*3600+%M2%*60+%S2%  
set /a TIME_DIFF=%TIME_SECOND2%-%TIME_SECOND1%  
set /a H_DIFF=%TIME_DIFF%/3600  
set /a M_DIFF=(%TIME_DIFF%-%H_DIFF%*3600)/60  
set /a S_DIFF=%TIME_DIFF%%%60  
  
if %H_DIFF% LSS 10 set H_DIFF=0%H_DIFF%  
if %M_DIFF% LSS 10 set M_DIFF=0%M_DIFF%  
if %S_DIFF% LSS 10 set S_DIFF=0%S_DIFF%  

echo 执行时间:%H_DIFF%:%M_DIFF%:%S_DIFF%  
echo 执行时间:%H_DIFF%:%M_DIFF%:%S_DIFF% >> 程序执行时间.log  
pause
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smss

@echo off
set n=11
set t1=%time:~,-3%
echo 命令写在这里
ping 127.0.0.1 >nul 
set t2=%time:~,-3%
for /f "tokens=1-6 delims=:" %%i in ("%t1%:%t2%") do (
set/a s1=%%i*3600+%%j*60+%%k
set/a s2=%%l*3600+%%m*60+%%n
)
set/a t=%s2%-%s1%
echo 程序运行%t%秒
pause
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