[数值计算] 关于延时变量

@echo off
set a=1

for /l %%i in (1 1 10) do (
  set a=%%i
  echo %a%
)
pause
复制代码

@echo off

for /l %%i in (1 1 10) do (
  set a=%%i
  echo %a%
)
pause
复制代码

@echo off
setlocal enabledelayedexpansion

for /l %%i in (1 1 10) do (
  set a=%%i
  echo !a!
)
pause
复制代码

@echo off
setlocal enabledelayedexpansion

for /l %%i in (1 1 10) do (
  set a=%%i
  echo %a%
)
pause
复制代码