需求：

统计bat脚本的执行时间

脚本：

@echo offset /a startS=%time:~6,2%set /a startM=%time:~3,2%echo %time%call your.bat  set /a endS=%time:~6,2%set /a endM=%time:~3,2%echo %time%set /a diffS_=%endS%-%startS%set /a diffM_=%endM%-%startM%echo cost:%diffM_% %diffS_% pause