使用FOR /L循环遍历在批处理文件中当前月份递减的一年中的月份

@echo off
setlocal enabledelayedexpansion

rem 获取当前日期的年份和月份
for /f "tokens=1,2 delims=/ " %%a in ('date /t') do (
    set "current_year=%%b"
    set "current_month=%%a"
)

rem 将当前月份转换为数字
if "%current_month%"=="Jan" set "current_month=1"
if "%current_month%"=="Feb" set "current_month=2"
if "%current_month%"=="Mar" set "current_month=3"
if "%current_month%"=="Apr" set "current_month=4"
if "%current_month%"=="May" set "current_month=5"
if "%current_month%"=="Jun" set "current_month=6"
if "%current_month%"=="Jul" set "current_month=7"
if "%current_month%"=="Aug" set "current_month=8"
if "%current_month%"=="Sep" set "current_month=9"
if "%current_month%"=="Oct" set "current_month=10"
if "%current_month%"=="Nov" set "current_month=11"
if "%current_month%"=="Dec" set "current_month=12"

rem 循环遍历递减的一年中的月份
for /L %%i in (%current_month%,-1,%current_month%-11) do (
    rem 将数字月份转换为英文缩写
    if %%i==1 set "month=Jan"
    if %%i==2 set "month=Feb"
    if %%i==3 set "month=Mar"
    if %%i==4 set "month=Apr"
    if %%i==5 set "month=May"
    if %%i==6 set "month=Jun"
    if %%i==7 set "month=Jul"
    if %%i==8 set "month=Aug"
    if %%i==9 set "month=Sep"
    if %%i==10 set "month=Oct"
    if %%i==11 set "month=Nov"
    if %%i==12 set "month=Dec"

    echo !month!
)