set account=0
set account2=999
set susername=2b3 c2903 333 222 98 00cd
set address=vbbv 323@
set password=zdd 333 230
set shu=（%account2%-%account%）*susername的参数个数6*address的参数个数2*password的参数个数3

也就是set shu=（999-0）*6*2*3
即set shu=35964

MODE con: COLS=50 LINES=%shu%
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@echo off
set account=0
set account2=999
set susername=2b3 c2903 333 222 98 00cd
set address=vbbv 323@
set password=zdd 333 230
set/a shu=%account2%-%account%
for %%a in ("%susername%" "%address%" "%password%") do (
  for %%b in (%%~a) do set/a n+=1
  set/a shu*=n&set n=
)
echo %shu%
pause
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