批处理~急救!关于批处理选择性执行操作!在线等...........

@echo off
for %%a in (1) do set "a1=%%~za"
for %%a in (2) do set "a2=%%~za"
if %a1% GTR %a2% (echo a1大) else (echo a2大)
pause

%a1%
if %a1% GTR %a2% 没有do

@echo off
c:
cd C:\Users\Jiang\Documents\Tencent Files\403569568
for %%a in (Msg2.0.db) do set a1=%%~za
d:
cd D:\QQwenjianbeifen\聊天记录
for %%a in (Msg2.0.db) do set a2=%%~za
c:
if %a1% GTR %a2% (
c:
copy Msg2.0.db D:\QQwenjianbeifen\聊天记录\
copy CustomFace.dbc D:\QQwenjianbeifen\聊天记录\
copy CustomFace.db D:\QQwenjianbeifen\聊天记录\
cd Image
del /f /q /s *.*
copy C:\Users\Jiang\AppData\Roaming\SogouExplorer\Favorite2.dat F:\F_Files\收藏夹
) else (
exit
)
exit