使用bat脚本添加JAVA_HOME和修改PATH

add_jre.bat

::添加环境变量JAVA_HOME
@echo off
echo 添加java环境变量
set regpath=HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment
set evname=JAVA_HOME
set javapath=C:\jre1.8.0_101_32\
reg add "%regpath%" /v %evname% /d %javapath% /f
pause>nul

mod_path.bat

wmic environment where "name='PATH' and username='<system>'" set VariableValue="%PATH%;%JAVA_HOME%bin"