@echo off&color 0e
for /f "delims=" %%i in ('type "%~dp0\a.txt"') do (
for /f "tokens=1,* delims==" %%j in ('type "%~dp0\b.txt"') do (
  if /i "%%~nxi"=="%%~nxj" (
   set "c=%%j^=%%k"
   echo=%%j=%%k
  )
 )
)
echo=%c%
pause
复制代码

@echo off
(for /f "tokens=2 delims==" %%i in ('findstr /g:a.txt b.txt') do (
    echo %%i
))>c.txt
复制代码

@echo off
for /f "tokens=2 delims==" %%i in ('findstr /g:a.txt b.txt') do (
    set "c=%%i"
)
echo %c%
pause
复制代码