chcp 65001

cd  /d Z:\
@echo jdk路径：%~dp0jdk1.8.0_261
@setx JAVA_HOME %~dp0jdk1.8.0_261
@setx /M PATH "%JAVA_HOME%\bin;%path%"
@setx classpath .;%%JAVA_HOME%%\lib\dt.jar;%%JAVA_HOME%%\lib\tools.jar
@echo “jdk初始化完成”