批处理-设置环境变量

@echo off
echo add current path into environmet...
set regpath=HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment
set evname=BAT_HOME
set batpath=c:\bat
reg add "%regpath%" /v %evname% /d %batpath% /f
pause>nul

原文地址：https://www.cnblogs.com/alexYuin/p/9229006.html