[原创] 变量延迟的通俗讲解

@echo off
call:1
echo %[变量]%
pause
exit
:1
set "[变量]=可以看见我"
goto :eof
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@echo off
(
  call:1
  echo %[变量]%
)
pause
exit
:1
set "[变量]=可以看见我"
goto :eof
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@echo off
set [变量]=可以看见我
echo %[变量]%
pause
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@echo off
(
  set [变量]=可以看见我
  echo %[变量]%
)
pause
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@echo off
(
  set [变量]=可以看见我
  call echo %%[变量]%%
)
pause
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@echo off
setlocal enabledelayedexpansion
(
  set [变量]=可以看见我
  echo ![变量]!
)
pause
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@echo off
set [变量][0]=b
set [变量][1]=a
set [变量][2]=t
for /l %%1 in (0 1 2)do (
    call set /p=%%[变量][%%1]%%<nul
)
pause
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@echo off
set "[变量][0]=b"
set "[变量][1]=a"
set "[变量][2]=t"
for /l %%1 in (0 1 2)do (
    set /p=%%[变量][%%1]%%<nul
)
pause
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@echo off
set "[变量]=这是一个例子"
for /f "tokens=1 delims=:" %%1 in ('^(echo %[变量]%^&echo;^)^|findstr /o ".*"')do set /a n=%%1-3
for /l %%1 in (0 1 %n%)do (
    call set /p=%%[变量]:~%%1,1%%<nul
)
echo;
pause
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@echo off
set "[变量]=这是一个例子"
for /f "tokens=1 delims=:" %%1 in ('^(echo %[变量]%^&echo;^)^|findstr /o ".*"')do set /a n=%%1-3
for /l %%1 in (0 1 %n%)do (
    set /p=%[变量]:~%%1,1%<nul
)
echo;
pause
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@echo off
for /l %%1 in (9 -1 1)do (
	call set n=%%n%%%%1 
)
call:1 %n%
pause
exit
:1
for /l %%i in (1 1 9)do (
    call set/p=%%%%i <nul
)
goto :eof
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@echo off
for /l %%1 in (9 -1 1)do (
	call set n=%%n%%%%1 
)
call:1 %n%
pause
exit
:1
for /l %%i in (1 1 9)do (
    set/p=%%%i <nul
)
goto :eof
复制代码