bat 取当前时间

cls
@echo off
setlocal enabledelayedexpansion
set "year=%date:~0,4%"
set "month=%date:~5,2%"
set "day=%date:~8,2%"
set "hour_ten=%time:~0,1%"
set "hour_one=%time:~1,1%"
set "minute=%time:~3,2%"
set "second=%time:~6,2%"
if "%hour_ten%" == " " (
    set DateTime=%year%_%month%_%day%_0%hour_one%_%minute%_%second%
) else (
    set DateTime=%year%_%month%_%day%_%hour_one%_%minute%_%second%
)
set DateTime=%year%_%month%_%day%_0%hour_one%_%minute%_%second%
echo %DateTime%