happy886rr

@echo off&setlocal enabledelayedexpansion
set "DAYS=+00+31+28+31+30+31+30+31+31+30+31+30+31"

for /f "tokens=1-4" %%a in ("%DATE:/= %") do (
	set YY=%%a
	set/a "M3=%%b*3
	set DD=%%c
	set WW=%%d
)
set/a "RES4=YY%%4, RES100=YY%%100, RES400=YY%%400, DSDAYS=!DAYS:~0,%M3%!+!DD!"

if !RES4! equ 0 if !RES100! neq 0 (set/a DSDAYS+=1)
if !RES400! equ 0 (set/a DSDAYS+=1)

set/a "NWEEK=DSDAYS/7, RESDAY=DSDAYS-NWEEK*7"
if !RESDAY! neq 0 (set/a NWEEK+=1)
if !WW! neq 0 (set/a NWEEK+=1)
echo !NWEEK!
pause
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happy886rr

回复 15# ygqiang
很正常，因为只兼容win7