一、查看命令:
mvn help :system
二、引用
在pom文件中通过 ${变量名}来引用
=============================================================================== ========================= Platform Properties Details ========================= =============================================================================== =============================================================================== System Properties =============================================================================== java.runtime.name=Java(TM) SE Runtime Environment sun.boot.library.path=C:\Program Files\Java\jdk1.8.0_91\jre\bin java.vm.version=25.91-b15 java.vm.vendor=Oracle Corporation maven.multiModuleProjectDirectory=D:\tools\IntelliJIDEA15.0.2\IdeaProject2\starwifi java.vendor.url=http://java.oracle.com/ path.separator=; guice.disable.misplaced.annotation.check=true java.vm.name=Java HotSpot(TM) 64-Bit Server VM file.encoding.pkg=sun.io user.script= user.country=CN sun.java.launcher=SUN_STANDARD sun.os.patch.level=Service Pack 1 java.vm.specification.name=Java Virtual Machine Specification user.dir=D:\tools\IntelliJIDEA15.0.2\IdeaProject2\starwifi java.runtime.version=1.8.0_91-b15 java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment java.endorsed.dirs=C:\Program Files\Java\jdk1.8.0_91\jre\lib\endorsed os.arch=amd64 java.io.tmpdir=C:\Users\ADMINI~1\AppData\Local\Temp\ line.separator= java.vm.specification.vendor=Oracle Corporation user.variant= os.name=Windows 7 classworlds.conf=D:\tools\apache-maven-3.3.9\bin\..\bin\m2.conf sun.jnu.encoding=GBK java.library.path=C:\Program Files\Java\jdk1.8.0_91\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\ Windows\system32;C:\Windows;C:\Program Files\Java\jdk1.8.0_91\bin;D:\tools\apache-maven-3.3.9\bin;\C:\Windows\System32\Wbem;C:\Windows\System32\Window sPowerShell\v1.0\;D:\tools\gradle-3.2.1\bin;C:\Program Files\TortoiseGit\bin;C:\Program Files\MySQL\MySQL Server 5.1\bin;. java.specification.name=Java Platform API Specification java.class.version=52.0 sun.management.compiler=HotSpot 64-Bit Tiered Compilers os.version=6.1 user.home=C:\Users\Administrator user.timezone=Asia/Shanghai java.awt.printerjob=sun.awt.windows.WPrinterJob java.specification.version=1.8 file.encoding=GBK user.name=Administrator java.class.path=D:\tools\apache-maven-3.3.9\bin\..\boot\plexus-classworlds-2.5.2.jar java.vm.specification.version=1.8 sun.arch.data.model=64 java.home=C:\Program Files\Java\jdk1.8.0_91\jre sun.java.command=org.codehaus.plexus.classworlds.launcher.Launcher help:system java.specification.vendor=Oracle Corporation user.language=zh awt.toolkit=sun.awt.windows.WToolkit java.vm.info=mixed mode java.version=1.8.0_91 java.ext.dirs=C:\Program Files\Java\jdk1.8.0_91\jre\lib\ext;C:\Windows\Sun\Java\lib\ext sun.boot.class.path=C:\Program Files\Java\jdk1.8.0_91\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_91\jre\lib\rt.jar;C:\Program Files\Java\jdk 1.8.0_91\jre\lib\sunrsasign.jar;C:\Program Files\Java\jdk1.8.0_91\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_91\jre\lib\jce.jar;C:\Program Files\ Java\jdk1.8.0_91\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_91\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_91\jre\classes sun.stderr.encoding=ms936 java.vendor=Oracle Corporation maven.home=D:\tools\apache-maven-3.3.9\bin\.. file.separator=\ java.vendor.url.bug=http://bugreport.sun.com/bugreport/ sun.cpu.endian=little sun.io.unicode.encoding=UnicodeLittle sun.stdout.encoding=ms936 sun.desktop=windows sun.cpu.isalist=amd64 =============================================================================== Environment Variables =============================================================================== GRADLE_USER_HOME=E:\gradle_repository\.gradle CLASSWORLDS_JAR="D:\tools\apache-maven-3.3.9\bin\..\boot\plexus-classworlds-2.5.2.jar" PSMODULEPATH=C:\Windows\system32\WindowsPowerShell\v1.0\Modules\ COMMONPROGRAMW6432=C:\Program Files\Common Files PROGRAMW6432=C:\Program Files WINDOWS_TRACING_LOGFILE=C:\BVTBin\Tests\installpackage\csilogfile.log PROCESSOR_ARCHITECTURE=AMD64 CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher =D:=D:\tools\IntelliJIDEA15.0.2\IdeaProject2\starwifi FP_NO_HOST_CHECK=NO PATH=C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Program Files\Java\jdk1.8.0_91\bin;D:\tools\apache-maven-3.3.9\bin;\C:\Wind ows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;D:\tools\gradle-3.2.1\bin;C:\Program Files\TortoiseGit\bin;C:\Program Files\MySQL\MySQL Server 5.1\bin PROGRAMDATA=C:\ProgramData WDIR=D:\ SYSTEMROOT=C:\Windows TMP=C:\Users\ADMINI~1\AppData\Local\Temp PROGRAMFILES(X86)=C:\Program Files (x86) EXEC_DIR=D:\tools\IntelliJIDEA15.0.2\IdeaProject2\starwifi COMPUTERNAME=PC-20180423HOPQ OS=Windows_NT PROMPT=$P$G MAVEN_HOME=D:\tools\apache-maven-3.3.9 WINDIR=C:\Windows GRADLE_HOME=D:\tools\gradle-3.2.1 SYSTEMDRIVE=C: =::=::\ COMSPEC=C:\Windows\system32\cmd.exe =C:=C:\Users\Administrator HOMEDRIVE=C: LOGONSERVER=\\PC-20180423HOPQ PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 69 Stepping 1, GenuineIntel COMMONPROGRAMFILES=C:\Program Files\Common Files PROGRAMFILES=C:\Program Files COMMONPROGRAMFILES(X86)=C:\Program Files (x86)\Common Files NUMBER_OF_PROCESSORS=4 TEMP=C:\Users\ADMINI~1\AppData\Local\Temp USERDOMAIN=PC-20180423HOPQ M2_HOME=D:\tools\apache-maven-3.3.9\bin\.. HOME=C:\Users\Administrator PROCESSOR_LEVEL=6 ERROR_CODE=0 SESSIONNAME=Console USERNAME=Administrator PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC WINDOWS_TRACING_FLAGS=3 PUBLIC=C:\Users\Public PROCESSOR_REVISION=4501 USERPROFILE=C:\Users\Administrator APPDATA=C:\Users\Administrator\AppData\Roaming HOMEPATH=\Users\Administrator LOCALAPPDATA=C:\Users\Administrator\AppData\Local JAVA_HOME=C:\Program Files\Java\jdk1.8.0_91 ALLUSERSPROFILE=C:\ProgramData MAVEN_CMD_LINE_ARGS=help:system MAVEN_PROJECTBASEDIR=D:\tools\IntelliJIDEA15.0.2\IdeaProject2\starwifi MAVEN_JAVA_EXE="C:\Program Files\Java\jdk1.8.0_91\bin\java.exe"