QIAOXINGXING

把tab的值替换成tab键：

@echo off&SetLocal EnableDelayEdexpansion&cd /d "%~dp0"
set "tab=	"
(for /f "delims=" %%i in (1.txt) do (
  set "str=%%i"
  set "str=!str:null=%tab%!"
  echo !str!
))>2.txt
复制代码