@echo off&SETLOCAL ENABLEDELAYEDEXPANSION
set /a x=0
for /f "delims=*" %%a in (b.txt) do set "_!x!=%%a" & set  /a x+=1
for /f "delims=*" %%a in (a.txt) do (
       set /a r=!random!%%!x!
        echo;%_!r!%，%%a聊天论坛开通，欢迎%%a的朋友前来捧场！>>newtxt\%%a.txt
    echo;告诉大家一个好消息，期待已久的%%a聊天论坛备案成功已经开通了，欢迎%%a的朋友前来捧场，我们特地在%%a市中心设定一个团购接待点，届时期待%%a论坛通告！>>newtxt\%%a.txt
)
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@echo off&SETLOCAL ENABLEDELAYEDEXPANSION
set /a x=0
for /f "delims=*" %%a in (b.txt) do set "_!x!=%%a" & set  /a x+=1
for /f "delims=*" %%a in (a.txt) do (
       set /a r=!random!%%x
       call :msg %%_!r!%% %%a >>newtxt\%%a.txt
)

:msg
echo;%1，%2聊天论坛开通，欢迎%2的朋友前来捧场!
echo;告诉大家一个好消息，期待已久的%2聊天论坛备案成功已经开通了，欢迎%2的朋友前来捧场，我们特地在%2市中心设定一个团

购接待点，届时期待%2论坛通告!
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@echo off&SETLOCAL ENABLEDELAYEDEXPANSION
if not exist newtxt\ md newtxt
for /f "delims=" %%a in (b.txt) do (
   set /a n+=1&set ".!n!=%%a"
)
for /f "delims=" %%a in (a.txt) do (
   set /a w=!random!%%n+1,m=1
   for /f "delims=" %%b in (c.txt) do (
	  set num=%%b
      if !m! equ 1 (
	     for /f "delims=聊" %%I in ("%%b") do set "m=%%I"
		 for /f "delims=" %%D in ("!m!") do set num=!num:%%D=%%a!
         for %%i in (!w!) do echo !.%%i!,!NUM!>"newtxt\%%a.txt"
         ) else (
		   for /f "delims=" %%D in ("!m!") do set num=!num:%%D=%%a!
		   echo !Num!>>"newtxt\%%a.txt"
	   )
	)
)
start newtxt
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@echo off&SETLOCAL ENABLEDELAYEDEXPANSION
if not exist newtxt\ md newtxt
set var=指定替换
set /p str=<c.txt
for /f "delims=" %%a in (b.txt) do set /a n+=1&set ".!n!=%%a"
for /f "delims=" %%a in (a.txt) do (
   set /a w=!random!%%n+1
   for %%i in (!w!) do echo !.%%i!,!str:%var%=%%a!>"newtxt\%%a.txt"
   for /f "skip=1 delims=" %%b in (c.txt) do (
      set num=%%b
      set num=!num:%var%=%%a!
      echo !Num!>>"newtxt\%%a.txt"
    )
)
start newtxt
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