java 环境变量脚本

color 0a
::删除JAVA_HOME
wmic ENVIRONMENT where "name=‘JAVA_HOME‘" delete
::删除ClASSPATH 
wmic ENVIRONMENT where "name=‘CLASSPATH‘" delete
::JAVA_HOME
wmic ENVIRONMENT create name="JAVA_HOME",username="<system>",VariableValue="%cd%"
::增加PATH中java的环境变量
wmic ENVIRONMENT where "name=‘path‘ and username=‘<system>‘" set VariableValue="%path%;%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin"
::CLASSPATH
wmic ENVIRONMENT create name="CLASSPATH",username="<system>",VariableValue=".;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;"
pause

@echo off
echo 当前盘符%%~d0：%~d0
echo 当前盘符和路径%%~dp0: %~dp0
echo 当前盘符和路径的短文件名格式%%~sdp0：%~sdp0
echo 当前批处理全路径%%~f0：%~f0
echo 当前CMD默认目录%%cd%%：%cd%
pause