计算机字符串的长度

判断你写了多少个字符

 

@echo off
set mystr=
set /p mystr=输入要计算长度的字符串(直接回车退出):
if not defined mystr goto :eof
set count=0
setlocal enabledelayedexpansion
:intercept
set /a count+=1
for /f %%i in ("%count%") do if not "!mystr:~%%i,1!"=="" goto intercept
echo 长  度:  %count%
pause
goto :eof