windows系统bat批处理 一键配置java jdk环境变量

新建记事本 改后缀 *.bat

复制下内容

%1 mshta vbscript:CreateObject("Shell.Application").ShellExecute("cmd.exe","/c %~s0 ::","","runas",1)(window.close)&&exit
cd /d "%~dp0"

@echo off
echo  请输入jdk安装目录
set /p answer=  
wmic ENVIRONMENT create name="JAVA_HOME",username="<system>",VariableValue="%answer%"
wmic ENVIRONMENT create name="CLASSPATH",username="<system>",VariableValue=".;%%JAVA_HOME%%\lib;%%JAVA_HOME%%\lib\tools.jar"
wmic ENVIRONMENT where "name='PATH' and username='<system>'" set VariableValue="%path%;%%JAVA_HOME%%\bin;%%JAVA_HOME%%\jre\bin;"
echo 设置完成 按下任意键退出
pause