设置环境变量的脚本分析

@ 在其它命令行的最前面，表示运行时不显示命令行本身。
%n 代表第n个参数
@if "%1" == "" goto start
:: setlocal主要针对临时环境变量，不会影响到系统的变量环境设置，应与endlocal联用。
@setlocal
@set userinput=%1
@if not "%1"=="store" @if not "%1"=="8.1" @if not "%userinput:~0,3%"=="10." goto usage
@endlocal

:start
::call命令用来从一个批处理脚本中调用另一个批处理脚本。
:: 调用标签，判断文件是不是存在
@call :GetVSCommonToolsDir  
@if "%VS140COMNTOOLS%"=="" goto error_no_VS140COMNTOOLSDIR
:: 如果存在调用  脚本 
@call "%VS140COMNTOOLS%VCVarsQueryRegistry.bat" 32bit No64bit %1 %2

@if "%VSINSTALLDIR%"=="" goto error_no_VSINSTALLDIR
@if "%VCINSTALLDIR%"=="" goto error_no_VCINSTALLDIR
@if "%FrameworkDir32%"=="" goto error_no_FrameworkDIR32
@if "%FrameworkVersion32%"=="" goto error_no_FrameworkVer32
@if "%Framework40Version%"=="" goto error_no_Framework40Version
:: 设置变量
@set FrameworkDir=%FrameworkDir32%
@set FrameworkVersion=%FrameworkVersion32%

@if not "%WindowsSDK_ExecutablePath_x86%" == "" @set PATH=%WindowsSDK_ExecutablePath_x86%;%PATH%
:：这是注释
@rem
@rem Set Windows SDK include/lib path  设置windows sdk 路径
@rem
@if not "%WindowsSdkDir%" == "" @set PATH=%WindowsSdkDir%binx86;%PATH%
@if not "%WindowsSdkDir%" == "" @set INCLUDE=%WindowsSdkDir%include\%WindowsSDKVersion%shared;%WindowsSdkDir%include\%WindowsSDKVersion%um;%WindowsSdkDir%include\%WindowsSDKVersion%winrt;%INCLUDE%
@if not "%WindowsSdkDir%" == "" @set LIB=%WindowsSdkDir%lib\%WindowsSDKLibVersion%umx86;%LIB%
@if not "%WindowsSdkDir%" == "" @set LIBPATH=%WindowsLibPath%;%ExtensionSDKDir%Microsoft.VCLibs14.0ReferencesCommonConfiguration
eutral;%LIBPATH%

@REM Set NETFXSDK include/lib path
@if not "%NETFXSDKDir%" == "" @set INCLUDE=%NETFXSDKDir%includeum;%INCLUDE%
@if not "%NETFXSDKDir%" == "" @set LIB=%NETFXSDKDir%libumx86;%LIB%

@rem
@rem Set UniversalCRT include/lib path, the default is the latest installed version.
@rem
@if not "%UCRTVersion%" == "" @set INCLUDE=%UniversalCRTSdkDir%include\%UCRTVersion%ucrt;%INCLUDE%
@if not "%UCRTVersion%" == "" @set LIB=%UniversalCRTSdkDir%lib\%UCRTVersion%ucrtx86;%LIB%

@rem
@rem Root of Visual Studio IDE installed files.  设置ide路径
@rem
@set DevEnvDir=%VSINSTALLDIR%Common7IDE

@rem PATH
@rem ----
@if exist "%VSINSTALLDIR%Team ToolsPerformance Tools" @set PATH=%VSINSTALLDIR%Team ToolsPerformance Tools;%PATH%

@if exist "%ProgramFiles%HTML Help Workshop" set PATH=%ProgramFiles%HTML Help Workshop;%PATH%
@if exist "%ProgramFiles(x86)%HTML Help Workshop" set PATH=%ProgramFiles(x86)%HTML Help Workshop;%PATH%
@if exist "%VCINSTALLDIR%VCPackages" set PATH=%VCINSTALLDIR%VCPackages;%PATH%
@if exist "%FrameworkDir%%Framework40Version%" set PATH=%FrameworkDir%%Framework40Version%;%PATH%
@if exist "%FrameworkDir%%FrameworkVersion%" set PATH=%FrameworkDir%%FrameworkVersion%;%PATH%
@if exist "%VSINSTALLDIR%Common7Tools" set PATH=%VSINSTALLDIR%Common7Tools;%PATH%
@if exist "%VCINSTALLDIR%BIN" set PATH=%VCINSTALLDIR%BIN;%PATH%
@set PATH=%DevEnvDir%;%PATH%

@rem Add path to MSBuild Binaries  添加构建路径
@if exist "%ProgramFiles%MSBuild14.0in" set PATH=%ProgramFiles%MSBuild14.0in;%PATH%
@if exist "%ProgramFiles(x86)%MSBuild14.0in" set PATH=%ProgramFiles(x86)%MSBuild14.0in;%PATH%


@if exist "%VSINSTALLDIR%VSTSDBDeploy" @set PATH=%VSINSTALLDIR%VSTSDBDeploy;%PATH%

@if not "%FSHARPINSTALLDIR%" == "" @set PATH=%FSHARPINSTALLDIR%;%PATH%

@if exist "%DevEnvDir%CommonExtensionsMicrosoftTestWindow" @set PATH=%DevEnvDir%CommonExtensionsMicrosoftTestWindow;%PATH%

@rem INCLUDE
@rem -------
@if exist "%VCINSTALLDIR%ATLMFCINCLUDE" set INCLUDE=%VCINSTALLDIR%ATLMFCINCLUDE;%INCLUDE%
@if exist "%VCINSTALLDIR%INCLUDE" set INCLUDE=%VCINSTALLDIR%INCLUDE;%INCLUDE%

@rem LIB
@rem ---
@if "%1" == "store" goto setstorelib
@if exist "%VCINSTALLDIR%ATLMFCLIB" set LIB=%VCINSTALLDIR%ATLMFCLIB;%LIB%
@if exist "%VCINSTALLDIR%LIB" set LIB=%VCINSTALLDIR%LIB;%LIB%
@goto setlibpath
:setstorelib
@if exist "%VCINSTALLDIR%LIBstore" set LIB=%VCINSTALLDIR%LIBstore;%LIB%

:setlibpath
@rem LIBPATH
@rem -------
@if "%1" == "store" goto setstorelibpath
@if exist "%VCINSTALLDIR%ATLMFCLIB" set LIBPATH=%VCINSTALLDIR%ATLMFCLIB;%LIBPATH%
@if exist "%VCINSTALLDIR%LIB" set LIBPATH=%VCINSTALLDIR%LIB;%LIBPATH%
@goto appendlibpath
:setstorelibpath
@if exist "%VCINSTALLDIR%LIBstore" set LIBPATH=%VCINSTALLDIR%LIBstore;%VCINSTALLDIR%LIBstore
eferences;%LIBPATH%
:appendlibpath
@if exist "%FrameworkDir%%Framework40Version%" set LIBPATH=%FrameworkDir%%Framework40Version%;%LIBPATH%
@set LIBPATH=%FrameworkDir%%FrameworkVersion%;%LIBPATH%

@goto end

@REM -----------------------------------------------------------------------
::定义标签 
:GetVSCommonToolsDir
:: 定义一个变量
@set VS140COMNTOOLS=
@call :GetVSCommonToolsDirHelper32 HKLM > nul 2>&1
@if errorlevel 1 call :GetVSCommonToolsDirHelper32 HKCU > nul 2>&1
@if errorlevel 1 call :GetVSCommonToolsDirHelper64  HKLM > nul 2>&1
@if errorlevel 1 call :GetVSCommonToolsDirHelper64  HKCU > nul 2>&1
@exit /B 0
:: 定义标签
:GetVSCommonToolsDirHelper32
:: 遍历组策表  
@for /F "tokens=1,2*" %%i in ('reg query "%1SOFTWAREMicrosoftVisualStudioSxSVS7" /v "14.0"') DO (
    @if "%%i"=="14.0" (
        @SET VS140COMNTOOLS=%%k
    )
)
:: 如果为空  返回值为1
@if "%VS140COMNTOOLS%"=="" exit /B 1
:: 如果值不为空  返回 0 
@SET VS140COMNTOOLS=%VS140COMNTOOLS%Common7Tools
@exit /B 0

:GetVSCommonToolsDirHelper64
@for /F "tokens=1,2*" %%i in ('reg query "%1SOFTWAREWow6432NodeMicrosoftVisualStudioSxSVS7" /v "14.0"') DO (
    @if "%%i"=="14.0" (
        @SET VS140COMNTOOLS=%%k
    )
)
@if "%VS140COMNTOOLS%"=="" exit /B 1
@SET VS140COMNTOOLS=%VS140COMNTOOLS%Common7Tools
@exit /B 0

@REM -----------------------------------------------------------------------
:error_no_VS140COMNTOOLSDIR
@echo ERROR: Cannot determine the location of the VS Common Tools folder.
@goto end

:error_no_VSINSTALLDIR
@echo ERROR: Cannot determine the location of the VS installation.
@goto end

:error_no_VCINSTALLDIR
@echo ERROR: Cannot determine the location of the VC installation.
@goto end

:error_no_FrameworkDIR32
@echo ERROR: Cannot determine the location of the .NET Framework 32bit installation.
@goto end

:error_no_FrameworkVer32
@echo ERROR: Cannot determine the version of the .NET Framework 32bit installation.
@goto end

:error_no_Framework40Version
@echo ERROR: Cannot determine the .NET Framework 4.0 version.
@goto end

:usage
echo Error in script usage. The correct usage is:
echo     %0
echo   or
echo     %0 store
echo   or
echo     %0 10.0.10240.0
echo   or
echo     %0 store 10.0.10240.0

:end