[数值计算] 批处理中定义的参数和传入的参数是否有区别？

@echo off
Setlocal enabledelayedexpansion
::CODER BY lenovo POWERD BY iBAT
set "a=&pause"
echo "%a:"=""%"|findstr>nul /rx "^""[0-9]*"""&&echo yes ||echo no
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@echo off
Setlocal enabledelayedexpansion
::CODER BY lenovo POWERD BY iBAT
set "a=%1"
echo "%a:"=""%"|findstr>nul /rx "^""[0-9]*"""&&echo yes ||echo no
复制代码