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环境变量 路径
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%AllUsersProfile% C:\ProgramData
%AppData% C:\Users\用户名\AppData\Roaming
%CommonProgramFiles% C:\Program Files\Common Files
%CommonProgramFiles(x86)% C:\Program Files (x86)\Common Files
%ComSpec% C:\Windows\System32\cmd.exe
%HomeDrive% C:\
%HomePath% C:\Users\用户名
%LocalAppData% C:\Users\用户名\AppData\Local
%ProgramData% C:\ProgramData
%ProgramFiles% C:\Program Files
%ProgramFiles(x86)% C:\Program Files (x86)
%Public% C:\Users\Public
%SystemDrive% C:\
%SystemRoot% C:\Windows
%Temp% 和 %Tmp C:\Users\用户名\AppData\Local\Temp
%UserProfile% C:\Users\用户名
%WinDir% C:\Window