@echo
echo --------------开始设置JAVA&MAVEN环境变量----------------
set M2_HOME=C:Program FilesJavaapache-maven-3.3.9
set PATH=%PATH%;%M2_HOME%in
set JAVA_HOME=C:Program FilesJavajdk1.7.0_80
set PATH=%PATH%;%JAVA_HOME%in
echo -----------------------done!-----------------------------
mvn -version
pause
路径替换成自己的