用命令行安装jdk和maven

set classpath=.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar
set JAVA_HOME=C:\SWDTOOLS\JDK1.8.0_66-X64
set PATH=%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin;%PATH%;%MAVEN_HOME%\bin
set maven_home=C:\SWDTOOLS\apache-maven-3.6.1