[文本处理] 求助批处理截取字符串小数点前后的1位或多位字符

@echo off
setlocal enabledelayedexpansion
set x=12345.678
for /f "tokens=1,2 delims=." %%a in ("%x%") do (
    set str1=%%a
    set str2=%%b
    echo !str1!.!str2:~0,1!
    echo !str1!.!str2:~0,2!
    echo !str1!
)
pause
复制代码

@echo off
rem 取小数点后n位
set n=3
for /f "tokens=1,* delims=." %%a in ("123.456789") do (
	set aft=%%b
	setlocal enableDelayedExpansion
	echo;%%a.!aft:~,%n%!
	endlocal

)
pause
复制代码