set /p
set /a
实例;
setP.bat
@echo off
set /p str="请输入字符串str的值"
echo str=%str%
pause
setA.bat
@echo off
set a=1
echo a
set a+=1
echo a
set /a a+=1
echo a
pause
set /p
set /a
实例;
setP.bat
@echo off
set /p str="请输入字符串str的值"
echo str=%str%
pause
setA.bat
@echo off
set a=1
echo a
set a+=1
echo a
set /a a+=1
echo a
pause