在Windows cmd小黑框里输入set命令,可以查看现有的系统变量
“="前的部分就是变量名。
%USERPROFILE% =C:\Users\用户名 %SystemRoot% =C:\WINDOWS %SystemDrive% =C: %APPDATA% =C:\Users\用户名\AppData\Roaming %LOCALAPPDATA% =C:\Users\用户名\AppData\Local %windir% =C:\WINDOWS %Path% =C:\Windows\system32;C:\Windows; %ProgramData% =C:\ProgramData %ProgramFiles% =C:\Program Files %ProgramFiles(x86)% =C:\Program Files (x86) %ALLUSERSPROFILE% =C:\ProgramData %CommonProgramFiles% =C:\Program Files\Common Files %CommonProgramFiles(x86)% =C:\Program Files (x86)\Common Files %CommonProgramW6432% =C:\Program Files\Common Files %COMPUTERNAME% =MyPC %ComSpec% =C:\WINDOWS\system32\cmd.exe %HOMEDRIVE% =C: %HOMEPATH% =\Users\用户名 %LOGONSERVER% =\\MicrosoftAccount %OS% =Windows_NT %ProgramW6432% =C:\Program Files %PUBLIC% =C:\Users\Public %TEMP% =C:\Users\用户名\AppData\Local\Temp %TMP% =C:\Users\用户名\AppData\Local\Temp %USERDOMAIN% =MyPC %USERNAME% =用户名