hnfeng

@echo off
for %%a in (b,c,d,f,g,h,j,k,l,m,n,p,q,r,s,t,w,x,y,z) do (
  for %%b in (b,c,d,f,g,h,j,k,l,m,n,p,q,r,s,t,w,x,y,z) do (
    for %%c in (b,c,d,f,g,h,j,k,l,m,n,p,q,r,s,t,w,x,y,z) do (
      for %%d in (b,c,d,f,g,h,j,k,l,m,n,p,q,r,s,t,w,x,y,z) do (
        echo %%a%%b%%c%%d
        echo %%a%%b%%c%%d>>abcd.txt
))))
        
pause
exit
复制代码

.

@echo off&setlocal EnableDelayedExpansion
set /a n=0
for %%a in (b,c,d,f,g,h,j,k,l,m,n,p,q,r,s,t,w,x,y,z) do (
  for %%b in (b,c,d,f,g,h,j,k,l,m,n,p,q,r,s,t,w,x,y,z) do (
    for %%c in (b,c,d,f,g,h,j,k,l,m,n,p,q,r,s,t,w,x,y,z) do (
      for %%d in (b,c,d,f,g,h,j,k,l,m,n,p,q,r,s,t,w,x,y,z) do (
        set /a n+=1
        echo %%a%%b%%c%%d
        echo %%a%%b%%c%%d>>abcd.txt
))))
echo 一共有 %n% 种
echo 一共有 %n% 种>>abcd.txt

pause
exit
复制代码