通过bat脚本修改环境变量并且不用重启立即生效

通过bat脚本修改环境变量并且不用重启立即生效

系统中在C:\WINDOWS\system32下面,有一个exe文件setx.exe,通过此命令可以设置立即生效,有的系统没有此文件,需要拷贝到此目录中

@ECHO OFF
IF EXIST %systemroot%\system32\setx.exe (
echo 正在配置环境变量,请稍候…

echo 下面的一段为修改注册表系统环境变量内容立即生效

reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v JAVA_HOME /t reg_sz /d “%~dp0jdk-1.6” /f
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v JAVA_HOME2 /t reg_sz /d “%~dp0jdk-1.6” /f
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v JRE_HOME /t reg_sz /d “%~dp0jdk-1.6\jre” /f
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v Tomcat_Home /t reg_sz /d “%dp0apache-tomcat-1;%dp0apache-tomcat-2” /f
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v ClassPath /t reg_sz /d “.;%%JAVA_HOME%%\lib\dt.jar;%%JAVA_HOME%%\lib\tools.jar” /f
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v Path /t reg_sz /d “%%JAVA_HOME%%\bin;%%Tomcat_Home%%\bin;” /f

echo 下面的一段为修改注册表用户对应环境变量内容立即生效

reg add “HKCU\Environment” /v JAVA_HOME /t reg_sz /d “%~dp0jdk-1.6” /f
reg add “HKCU\Environment” /v JAVA_HOME2 /t reg_sz /d “%~dp0jdk-1.6” /f
reg add “HKCU\Environment” /v JRE_HOME /t reg_sz /d “%~dp0jdk-1.6\jre” /f
reg add “HKCU\Environment” /v Tomcat_Home /t reg_sz /d “%dp0apache-tomcat-1;%dp0apache-tomcat-2” /f
reg add “HKCU\Environment” /v ClassPath /t reg_sz /d “.;%%JAVA_HOME%%\lib\dt.jar;%%JAVA_HOME%%\lib\tools.jar” /f
reg add “HKCU\Environment” /v Path /t reg_sz /d “%%JAVA_HOME%%\bin;%%Tomcat_Home%%\bin;” /f

echo 下面的一段为用setx命令修改环境变量,此操作完成后,在我的电脑-属性-高级-环境变量里面会发生改变,在cmd里面用echo %java_home%查看,也会发生改变

setx JAVA_HOME “%~dp0jdk-1.6” -m
setx JAVA_HOME2 “%~dp0jdk-1.6” -m
setx JRE_HOME “%~dp0jdk-1.6\jre” -m
setx Tomcat_Home “%dp0apache-tomcat-1;%dp0apache-tomcat-2” -m
setx ClassPath “.;%%JAVA_HOME%%\lib\dt.jar;%%JAVA_HOME%%\lib\tools.jar” -m
setx Path “%systemroot%;%systemroot%\system32;%systemroot%\system32\wbem;%%JAVA_HOME%%\bin;%%Tomcat_Home%%\bin;” -m

@ECHO Java环境变量设置成功
) ELSE (
@ECHO ON
@ECHO 未能找到%systemroot%\system32\setx.exe,安装setx.exe
@copy “%~dp0\setx.exe” %SystemRoot%\system32 /y

echo 正在配置环境变量,请稍候…

reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v JAVA_HOME /t reg_sz /d “%~dp0jdk-1.6” /f
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v JAVA_HOME2 /t reg_sz /d “%~dp0jdk-1.6” /f
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v JRE_HOME /t reg_sz /d “%~dp0jdk-1.6\jre” /f
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v Tomcat_Home /t reg_sz /d “%dp0apache-tomcat-1;%dp0apache-tomcat-2” /f
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v ClassPath /t reg_sz /d “.;%%JAVA_HOME%%\lib\dt.jar;%%JAVA_HOME%%\lib\tools.jar” /f
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment” /v Path /t reg_sz /d “%%JAVA_HOME%%\bin;%%Tomcat_Home%%\bin;” /f

reg add “HKCU\Environment” /v JAVA_HOME /t reg_sz /d “%~dp0jdk-1.6” /f
reg add “HKCU\Environment” /v JAVA_HOME2 /t reg_sz /d “%~dp0jdk-1.6” /f
reg add “HKCU\Environment” /v JRE_HOME /t reg_sz /d “%~dp0jdk-1.6\jre” /f
reg add “HKCU\Environment” /v Tomcat_Home /t reg_sz /d “%dp0apache-tomcat-1;%dp0apache-tomcat-2” /f
reg add “HKCU\Environment” /v ClassPath /t reg_sz /d “.;%%JAVA_HOME%%\lib\dt.jar;%%JAVA_HOME%%\lib\tools.jar” /f
reg add “HKCU\Environment” /v Path /t reg_sz /d “%%JAVA_HOME%%\bin;%%Tomcat_Home%%\bin;” /f

setx JAVA_HOME “%~dp0jdk-1.6” -m
setx JAVA_HOME2 “%~dp0jdk-1.6” -m
setx JRE_HOME “%~dp0jdk-1.6\jre” -m
setx Tomcat_Home “%dp0apache-tomcat-1;%dp0apache-tomcat-2” -m
setx ClassPath “.;%%JAVA_HOME%%\lib\dt.jar;%%JAVA_HOME%%\lib\tools.jar” -m
setx Path “%systemroot%;%systemroot%\system32;%systemroot%\system32\wbem;%%JAVA_HOME%%\bin;%%Tomcat_Home%%\bin;” -m

@ECHO Java环境变量设置成功
)
)
@PAUSE

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转载自blog.csdn.net/qq_34239424/article/details/84589485