@echo off
echo === 准备设置环境变量: JAVA_HOME  ===
setx /M JAVA_HOME "D:\Program Files\Java\jdk1.8.0_221"
echo === 准备设置环境变量: CLASSPATH
setx /M CLASSPATH ".;%%JAVA_HOME%%\lib\dt.jar;%%JAVA_HOME%%\lib\tools.jar"
echo === 准备设置环境变量: Path  ===
setx /M Path "%Path%;%%JAVA_HOME%%\bin"
echo === 请按任意键退出!
pause