dos 显示时间
@echo off

set CurDate=%date:~0,10%
set CurTime=%time%
set hh=%CurTime:~0,2%

if /i %hh% LSS 10 ( set hh=0%CurTime:~1,1% )
set mm=%CurTime:~3,2%
set ss=%CurTime:~6,2%

set CurDateTime=%CurDate%_%hh%%mm%%ss%

echo Bfile=%CurDateTime%