在批处理文件中设置Windows环境变量

我正在寻找一种使用.cmd文件设置环境路径变量的方法.
当路径变量太长时,我有一些错误.
只需将所需的变量添加到下面的“设置路径变量”
检查路径变量的当前值并添加到脚本中
以管理员身份运行脚本！
打开一个新的控制台窗口,它应该工作,例如PHP -v

@ECHO OFF

:: %HOMEDRIVE% = C:
:: %HOMEPATH% = \Users\Ruben
:: %system32% ??
:: No spaces in paths
:: Program Files > ProgramFiles
:: cls = clear screen
:: CMD reads the system environment variables when it starts. To re-read those variables you need to restart CMD
:: Use console 2 http://sourceforge.net/projects/console/


:: Assign all Path variables
SET PHP="%HOMEDRIVE%\wamp\bin\PHP\PHP5.4.16"
SET SYstem32=";%HOMEDRIVE%\Windows\System32"
SET ANT=";%HOMEDRIVE%%HOMEPATH%\Downloads\apache-ant-1.9.0-bin\apache-ant-1.9.0\bin"
SET GRADLE=";%HOMEDRIVE%\tools\gradle-1.6\bin;"
SET ADT=";%HOMEDRIVE%\tools\adt-bundle-windows-x86-20130219\eclipse\jre\bin"
SET ADTTOOLS=";%HOMEDRIVE%\tools\adt-bundle-windows-x86-20130219\sdk\tools"
SET ADTP=";%HOMEDRIVE%\tools\adt-bundle-windows-x86-20130219\sdk\platform-tools"
SET YII=";%HOMEDRIVE%\wamp\www\yii\framework"
SET NODEJS=";%HOMEDRIVE%\ProgramFiles\nodejs"
SET CURL=";%HOMEDRIVE%\tools\curl_734_0_ssl"
SET COMPOSER=";%HOMEDRIVE%\ProgramData\ComposerSetup\bin"
SET GIT=";%HOMEDRIVE%\Program Files\Git\cmd"

:: Set Path variable
setx PATH "%PHP%%sYstem32%%NODEJS%%COMPOSER%%YII%%GIT%" /m

:: Set Java variable
setx JAVA_HOME "%HOMEDRIVE%\ProgramFiles\Java\jdk1.7.0_21" /m

PAUSE