windows查看path，命令行设置path

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以安装Gradle示例说明windows环境下设置环境变量path的方法：

C:\Users\BYRON.Y.Y>path
PATH=C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\ProgramData\Oracle\Java\javapath;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Java\jdk1.8.0_144\bin;F:\apache-maven-3.2.5\bin;C:\Program Files\Git\cmd;C:\Program Files\TortoiseGit\bin;C:\Program Files\MySQL\MySQL Server 5.7\bin;C:\Program Files\TortoiseSVN\bin;C:\WINDOWS\System32\OpenSSH\;%CURL_HOME%;%CONSULE_HOME%;E:\111softwares\consul_1.0.7_windows_386;C:\Program Files (x86)\sbt\bin;F:\instroll\python3\Scripts\;F:\instroll\python3\;C:\Users\BYRON.Y.Y\AppData\Local\Microsoft\WindowsApps;;C:\Program Files\Microsoft VS Code\bin

C:\Users\BYRON.Y.Y>set path=%path%;E:\111softwares\gradle-4.10.2-bin\gradle-4.10.2\bin

C:\Users\BYRON.Y.Y>path
PATH=C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\ProgramData\Oracle\Java\javapath;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Java\jdk1.8.0_144\bin;F:\apache-maven-3.2.5\bin;C:\Program Files\Git\cmd;C:\Program Files\TortoiseGit\bin;C:\Program Files\MySQL\MySQL Server 5.7\bin;C:\Program Files\TortoiseSVN\bin;C:\WINDOWS\System32\OpenSSH\;%CURL_HOME%;%CONSULE_HOME%;E:\111softwares\consul_1.0.7_windows_386;C:\Program Files (x86)\sbt\bin;F:\instroll\python3\Scripts\;F:\instroll\python3\;C:\Users\BYRON.Y.Y\AppData\Local\Microsoft\WindowsApps;;C:\Program Files\Microsoft VS Code\bin;E:\111softwares\gradle-4.10.2-bin\gradle-4.10.2\bin

C:\Users\BYRON.Y.Y>
C:\Users\BYRON.Y.Y>
C:\Users\BYRON.Y.Y>
C:\Users\BYRON.Y.Y>gradle -v

------------------------------------------------------------
Gradle 4.10.2
------------------------------------------------------------

Build time:   2018-09-19 18:10:15 UTC
Revision:     b4d8d5d170bb4ba516e88d7fe5647e2323d791dd

Kotlin DSL:   1.0-rc-6
Kotlin:       1.2.61
Groovy:       2.4.15
Ant:          Apache Ant(TM) version 1.9.11 compiled on March 23 2018
JVM:          1.8.0_144 (Oracle Corporation 25.144-b01)
OS:           Windows 10 10.0 amd64

C:\Users\BYRON.Y.Y>