1、System.getProperties()

系统属性值：

"java.runtime.name" -> "Java(TM) SE Runtime Environment""spring.output.ansi.enabled" -> "always""sun.boot.library.path" -> "D:\Program Files\Java\jdk1.8.0_221\jre\bin""java.vm.version" -> "25.221-b11""java.vm.vendor" -> "Oracle Corporation""java.vendor.url" -> "http://java.oracle.com/""java.rmi.server.randomIDs" -> "true""path.separator" -> ";""java.vm.name" -> "Java HotSpot(TM) 64-Bit Server VM""file.encoding.pkg" -> "sun.io""user.country" -> "CN""user.script" -> """sun.java.launcher" -> "SUN_STANDARD""sun.os.patch.level" -> """java.vm.specification.name" -> "Java Virtual Machine Specification""user.dir" -> "D:\idea-workspace\springboot-stu""intellij.debug.agent" -> "true""java.runtime.version" -> "1.8.0_221-b11""java.awt.graphicsenv" -> "sun.awt.Win32GraphicsEnvironment""org.jboss.logging.provider" -> "slf4j""java.endorsed.dirs" -> "D:\Program Files\Java\jdk1.8.0_221\jre\lib\endorsed""os.arch" -> "amd64""java.io.tmpdir" -> "C:\Users\Thinkpad\AppData\Local\Temp\""line.separator" -> "\r\n""java.vm.specification.vendor" -> "Oracle Corporation""user.variant" -> """os.name" -> "Windows 10""sun.jnu.encoding" -> "GBK""java.library.path" -> "D:\Program Files\Java\jdk1.8.0_221\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;D:\Program Files (x86)\NetSarang\Xshell 6\;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;D:\programSoftware\hadoop-common-2.2.0-bin-master\bin\winutils.exe;D:\Program Files\Java\jdk1.8.0_221\bin;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;D:\softWare\gradle-6.3\bin;D:\programSoftware\scala\bin;D:\softWare\go\bin;D:\softWare\VSCode\bin;D:\Program Files\xampp\mysql\bin;D:\Program Files\Git\bin;C:\Users\Th""jboss.modules.system.pkgs" -> "com.intellij.rt""spring.jmx.enabled" -> "true""java.specification.name" -> "Java Platform API Specification""java.class.version" -> "52.0""sun.management.compiler" -> "HotSpot 64-Bit Tiered Compilers""spring.liveBeansView.mbeanDomain" -> """os.version" -> "10.0""user.home" -> "C:\Users\Thinkpad""user.timezone" -> "Asia/Shanghai""java.awt.printerjob" -> "sun.awt.windows.WPrinterJob""file.encoding" -> "UTF-8""java.specification.version" -> "1.8""java.class.path" -> "D:\Program Files\Java\jdk1.8.0_221\jre\lib\GoRoot.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\Jstat.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\charsets.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\deploy.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\GoExt.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\access-bridge-64.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\cldrdata.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\dnsns.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\jaccess.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\jfxrt.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\localedata.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\nashorn.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\sunec.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\sunjce_provider.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\sunmscapi.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\sunpkcs11.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext\zipfs.jar;D""user.name" -> "Thinkpad""com.sun.management.jmxremote" -> """java.vm.specification.version" -> "1.8""sun.java.command" -> "com.yh.stu.springboot.hello.SpringBootSourceStuApplication --server.port=8001 ssss""java.home" -> "D:\Program Files\Java\jdk1.8.0_221\jre""sun.arch.data.model" -> "64""user.language" -> "zh""java.specification.vendor" -> "Oracle Corporation""awt.toolkit" -> "sun.awt.windows.WToolkit""java.vm.info" -> "mixed mode""java.version" -> "1.8.0_221""java.ext.dirs" -> "D:\Program Files\Java\jdk1.8.0_221\jre\lib\ext;C:\Windows\Sun\Java\lib\ext""sun.boot.class.path" -> "D:\Program Files\Java\jdk1.8.0_221\jre\lib\resources.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\rt.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\sunrsasign.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\jsse.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\jce.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\charsets.jar;D:\Program Files\Java\jdk1.8.0_221\jre\lib\jfr.jar;D:\Program Files\Java\jdk1.8.0_221\jre\classes""java.awt.headless" -> "true""java.vendor" -> "Oracle Corporation""spring.application.admin.enabled" -> "true""file.separator" -> "\""java.vendor.url.bug" -> "http://bugreport.sun.com/bugreport/""sun.io.unicode.encoding" -> "UnicodeLittle""sun.cpu.endian" -> "little""sun.desktop" -> "windows""sun.cpu.isalist" -> "amd64"

2、System.getenv()

系统环境值：

"USERDOMAIN_ROAMINGPROFILE" -> "DESKTOP-5TPGH6B""PROCESSOR_LEVEL" -> "6""SESSIONNAME" -> "Console""ALLUSERSPROFILE" -> "C:\ProgramData""PROCESSOR_ARCHITECTURE" -> "AMD64""PSModulePath" -> "C:\Program Files\WindowsPowerShell\Modules;C:\Windows\system32\WindowsPowerShell\v1.0\Modules""SystemDrive" -> "C:""USERNAME" -> "Thinkpad""ProgramFiles(x86)" -> "C:\Program Files (x86)""FPS_BROWSER_USER_PROFILE_STRING" -> "Default""PATHEXT" -> ".COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC""IntelliJ IDEA Community Edition" -> "D:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2019.3.1\bin;""GOPATH" -> "D:\go_path""ProgramData" -> "C:\ProgramData""ProgramW6432" -> "C:\Program Files""HOMEPATH" -> "\Users\Thinkpad""PROCESSOR_IDENTIFIER" -> "Intel64 Family 6 Model 158 Stepping 9, GenuineIntel""HADOOP_HOME" -> "D:\programSoftware\hadoop-common-2.2.0-bin-master""M2_HOME" -> "D:\softWare\apache-maven-3.6.0""ProgramFiles" -> "C:\Program Files""PUBLIC" -> "C:\Users\Public""windir" -> "C:\Windows""=::" -> "::\""LOCALAPPDATA" -> "C:\Users\Thinkpad\AppData\Local""USERDOMAIN" -> "DESKTOP-5TPGH6B""FPS_BROWSER_APP_PROFILE_STRING" -> "Internet Explorer""LOGONSERVER" -> "\\DESKTOP-5TPGH6B""JAVA_HOME" -> "D:\Program Files\Java\jdk1.8.0_221""GRADLE_HOME" -> "D:\softWare\gradle-6.3""APPDATA" -> "C:\Users\Thinkpad\AppData\Roaming""GRADLE_USER_HOME" -> "D:\gradle_user_home""SCALA_HOME" -> "D:\programSoftware\scala""CommonProgramFiles" -> "C:\Program Files\Common Files""Path" -> "D:\Program Files (x86)\NetSarang\Xshell 6\;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;D:\programSoftware\hadoop-common-2.2.0-bin-master\bin\winutils.exe;D:\Program Files\Java\jdk1.8.0_221\bin;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;D:\softWare\gradle-6.3\bin;D:\programSoftware\scala\bin;D:\softWare\go\bin;D:\softWare\VSCode\bin;D:\Program Files\xampp\mysql\bin;D:\Program Files\Git\bin;C:\Users\Thinkpad\AppData\Local\Microsoft\WindowsApps;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\C""OS" -> "Windows_NT""COMPUTERNAME" -> "DESKTOP-5TPGH6B""PROCESSOR_REVISION" -> "9e09""CommonProgramW6432" -> "C:\Program Files\Common Files""GOROOT" -> "D:\softWare\go""ComSpec" -> "C:\Windows\system32\cmd.exe""SystemRoot" -> "C:\Windows""TEMP" -> "C:\Users\Thinkpad\AppData\Local\Temp""HOMEDRIVE" -> "C:""PT6HOME" -> "d:\Program Files (x86)\Cisco Packet Tracer 6.2sv""USERPROFILE" -> "C:\Users\Thinkpad""TMP" -> "C:\Users\Thinkpad\AppData\Local\Temp""CommonProgramFiles(x86)" -> "C:\Program Files (x86)\Common Files""NUMBER_OF_PROCESSORS" -> "8""IDEA_INITIAL_DIRECTORY" -> "E:\softWare\ideaIU-2019.2.4.win\bin"

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附录-系统环境、系统属性

1、System.getProperties()

2、System.getenv()

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