操作系统环境变量

!include "StrFunc.nsh"
 ; HM NIS Edit Wizard helper defines
 !define PRODUCT_NAME "Setup_Wintech"
 !define PRODUCT_VERSION "2.0"
 !define PRODUCT_PUBLISHER "Wintech Digital Systems Technology Corp."
 !define PRODUCT_WEB_SITE "http://www.wintechdigital.com"
 !define PRODUCT_DIR_REGKEY "SoftwareMicrosoftWindowsCurrentVersionApp Pathsmakensis.exe"
 !define PRODUCT_UNINST_KEY "SoftwareMicrosoftWindowsCurrentVersionUninstall${PRODUCT_NAME}"
 !define PRODUCT_UNINST_ROOT_KEY "HKLM"
 !define INSTALL_DIR_FILENAME "Wintech"
 ; MUI 1.67 compatible ------
 !include "MUI.nsh"
 !include "LogicLib.nsh"
 !include "x64.nsh"
 !include "EnvVarUpdate.nsh"
 ; MUI Settings
 !define MUI_ABORTWARNING
 !define MUI_ICON "${NSISDIR}ContribGraphicsIconsWintech.ico"
 !define MUI_UNICON "${NSISDIR}ContribGraphicsIconsWintech.ico"
 ; Welcome page
 !insertmacro MUI_PAGE_WELCOME
 ; License page
 ;!insertmacro MUI_PAGE_LICENSE "${NSISDIR}License.txt"
 ; Directory page
 !insertmacro MUI_PAGE_DIRECTORY
 ; Instfiles page
 !insertmacro MUI_PAGE_INSTFILES
 ; Finish page
 !define MUI_FINISHPAGE_RUN "$INSTDIRbinwlp_exe_gui.exe"
 !insertmacro MUI_PAGE_FINISH
 ; Uninstaller pages
 !insertmacro MUI_UNPAGE_INSTFILES
 ; Language files
 !insertmacro MUI_LANGUAGE "English"
 !echo "Testing"
 ; MUI end ------
 RequestExecutionLevel admin
 Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
 OutFile "dlf_setup.exe"
 InstallDir "$PROGRAMFILES${INSTALL_DIR_FILENAME}"
 InstallDirRegKey HKLM "${PRODUCT_DIR_REGKEY}" ""
 ShowInstDetails show
 ShowUnInstDetails show
 Section "MainSection" SEC01
 ${EnvVarUpdate} $0 "PATH" "A" "HKLM" "$INSTDIRbin" ; appends to the system path
 SetOutPath "$INSTDIR"
 SetOverwrite ifnewer
 File "${NSISDIR}makensis.exe"
 CreateDirectory "$INSTDIR"
 CreateShortCut "$SMPROGRAMS${INSTALL_DIR_FILENAME}${INSTALL_DIR_FILENAME}.lnk" "$INSTDIRmakensis.exe"
 CreateShortCut "$DESKTOP${INSTALL_DIR_FILENAME}.lnk" "$INSTDIRmakensis.exe"
 File "${NSISDIR}License.txt"
 File /r "setup*"
 ;Detect windows is 32bit or 64bit
 ${If} ${RunningX64}
 ; 64bit bits go here
 Exec '"$INSTDIRbindriverwin7Psexec.exe" -i -d -s "$INSTDIRbindriverwin7install_wdf_driver.exe"'
 ;-i -d -s "$INSTDIRbinDriverwin7install_wdf_driver.exe"'
 ;Exec "$INSTDIRbinnotepad2.exe"
 ExecWait "$INSTDIRbinvs2010sp1vcredist.exe"
 ${Else}
 ; 32bit bits go here
 Exec '"$INSTDIRbindriverwin7Psexec.exe" -i -d -s "$INSTDIRbindriverwin7install_wdf_driver.exe"'
 ExecWait '"$INSTDIRbinvs2010sp1vcredist.exe"'
 ${EndIf}
 SectionEnd
 Section -AdditionalIcons
 WriteIniStr "$INSTDIR${PRODUCT_NAME}.url" "InternetShortcut" "URL" "${PRODUCT_WEB_SITE}"
 CreateShortCut "$SMPROGRAMSMyScriptWebsite.lnk" "$INSTDIR${PRODUCT_NAME}.url"
 CreateShortCut "$SMPROGRAMSMyScriptUninstall.lnk" "$INSTDIRuninst.exe"
 SectionEnd
 Section -Post
 WriteUninstaller "$INSTDIRuninst.exe"
 WriteRegStr HKLM "${PRODUCT_DIR_REGKEY}" "" "$INSTDIRmakensis.exe"
 WriteRegStr ${PRODUCT_UNINST_ROOT_KEY} "${PRODUCT_UNINST_KEY}" "DisplayName" "$(^Name)"
 WriteRegStr ${PRODUCT_UNINST_ROOT_KEY} "${PRODUCT_UNINST_KEY}" "UninstallString" "$INSTDIRuninst.exe"
 WriteRegStr ${PRODUCT_UNINST_ROOT_KEY} "${PRODUCT_UNINST_KEY}" "DisplayIcon" "$INSTDIRmakensis.exe"
 WriteRegStr ${PRODUCT_UNINST_ROOT_KEY} "${PRODUCT_UNINST_KEY}" "DisplayVersion" "${PRODUCT_VERSION}"
 WriteRegStr ${PRODUCT_UNINST_ROOT_KEY} "${PRODUCT_UNINST_KEY}" "URLInfoAbout" "${PRODUCT_WEB_SITE}"
 WriteRegStr ${PRODUCT_UNINST_ROOT_KEY} "${PRODUCT_UNINST_KEY}" "Publisher" "${PRODUCT_PUBLISHER}"
 SectionEnd
 Function un.onUninstSuccess
 HideWindow
 MessageBox MB_ICONINFORMATION|MB_OK "$(^Name) 已成功地从你的计算机移除。"
 FunctionEnd
 Function un.onInit
 MessageBox MB_ICONQUESTION|MB_YESNO|MB_DEFBUTTON2 "你确实要完全移除 $(^Name) ,其及所有的组件?" IDYES +2
 Abort
 FunctionEnd
 Section Uninstall
 Delete "$INSTDIR${PRODUCT_NAME}.url"
 Delete "$INSTDIRuninst.exe"
 Delete "$INSTDIRsetup"
 Delete "$INSTDIRLicense.txt"
 Delete "$INSTDIRmakensis.exe"
 Delete "$SMPROGRAMS${INSTALL_DIR_FILENAME}Uninstall.lnk"
 Delete "$SMPROGRAMS${INSTALL_DIR_FILENAME}Website.lnk"
 Delete "$DESKTOP${INSTALL_DIR_FILENAME}.lnk"
 Delete "$SMPROGRAMS${INSTALL_DIR_FILENAME}${INSTALL_DIR_FILENAME}.lnk"
 RMDir "$SMPROGRAMS${INSTALL_DIR_FILENAME}"
 RMDir "$INSTDIR"
 DeleteRegKey ${PRODUCT_UNINST_ROOT_KEY} "${PRODUCT_UNINST_KEY}"
 DeleteRegKey HKLM "${PRODUCT_DIR_REGKEY}"
 SetAutoClose true
 SectionEnd
 以下时EnvVarUpdate.nsh的代码,需要拷贝到NSIS的include路径下面才能用:

/**
 * EnvVarUpdate.nsh
 * : Environmental Variables: append, prepend, and remove entries
 *
 * WARNING: If you use StrFunc.nsh header then include it before this file
 * with all required definitions. This is to avoid conflicts
 *
 * Usage:
 * ${EnvVarUpdate} "ResultVar" "EnvVarName" "Action" "RegLoc" "PathString"
 *
 * Credits:
 * Version 1.0
 * * Cal Turney (turnec2)
 * * Amir Szekely (KiCHiK) and e-circ for developing the forerunners of this
 * function: AddToPath, un.RemoveFromPath, AddToEnvVar, un.RemoveFromEnvVar,
 * WriteEnvStr, and un.DeleteEnvStr
 * * Diego Pedroso (deguix) for StrTok
 * * Kevin English (kenglish_hi) for StrContains
 * * Hendri Adriaens (Smile2Me), Diego Pedroso (deguix), and Dan Fuhry
 * (dandaman32) for StrReplace
 *
 * Version 1.1 (compatibility with StrFunc.nsh)
 * * techtonik
 *
 * http://nsis.sourceforge.net/Environmental_Variables:_append%2C_prepend%2C_and_remove_entries
 *
 */
 !ifndef ENVVARUPDATE_FUNCTION
 !define ENVVARUPDATE_FUNCTION
 !verbose push
 !verbose 3
 !include "LogicLib.nsh"
 !include "WinMessages.NSH"
 !include "StrFunc.nsh"
 ; ---- Fix for conflict if StrFunc.nsh is already includes in main file -----------------------
 !macro _IncludeStrFunction StrFuncName
 !ifndef ${StrFuncName}_INCLUDED
 ${${StrFuncName}}
 !endif
 !ifndef Un${StrFuncName}_INCLUDED
 ${Un${StrFuncName}}
 !endif
 !define un.${StrFuncName} "${Un${StrFuncName}}"
 !macroend
 !insertmacro _IncludeStrFunction StrTok
 !insertmacro _IncludeStrFunction StrStr
 !insertmacro _IncludeStrFunction StrRep
 ; ---------------------------------- Macro Definitions ----------------------------------------
 !macro _EnvVarUpdateConstructor ResultVar EnvVarName Action Regloc PathString
 Push "${EnvVarName}"
 Push "${Action}"
 Push "${RegLoc}"
 Push "${PathString}"
 Call EnvVarUpdate
 Pop "${ResultVar}"
 !macroend
 !define EnvVarUpdate '!insertmacro "_EnvVarUpdateConstructor"'
 !macro _unEnvVarUpdateConstructor ResultVar EnvVarName Action Regloc PathString
 Push "${EnvVarName}"
 Push "${Action}"
 Push "${RegLoc}"
 Push "${PathString}"
 Call un.EnvVarUpdate
 Pop "${ResultVar}"
 !macroend
 !define un.EnvVarUpdate '!insertmacro "_unEnvVarUpdateConstructor"'
 ; ---------------------------------- Macro Definitions end-------------------------------------
 ;----------------------------------- EnvVarUpdate start----------------------------------------
 !define hklm_all_users 'HKLM "SYSTEMCurrentControlSetControlSession ManagerEnvironment"'
 !define hkcu_current_user 'HKCU "Environment"'
 !macro EnvVarUpdate UN
 Function ${UN}EnvVarUpdate
 Push $0
 Exch 4
 Exch $1
 Exch 3
 Exch $2
 Exch 2
 Exch $3
 Exch
 Exch $4
 Push $5
 Push $6
 Push $7
 Push $8
 Push $9
 Push $R0
 /* After this point:
 -------------------------
 $0 = ResultVar (returned)
 $1 = EnvVarName (input)
 $2 = Action (input)
 $3 = RegLoc (input)
 $4 = PathString (input)
 $5 = Orig EnvVar (read from registry)
 $6 = Len of $0 (temp)
 $7 = tempstr1 (temp)
 $8 = Entry counter (temp)
 $9 = tempstr2 (temp)
 $R0 = tempChar (temp) */
 ; Step 1: Read contents of EnvVarName from RegLoc
 ;
 ; Check for empty EnvVarName
 ${If} $1 == ""
 SetErrors
 DetailPrint "ERROR: EnvVarName is blank"
 Goto EnvVarUpdate_Restore_Vars
 ${EndIf}
 ; Check for valid Action
 ${If} $2 != "A"
 ${AndIf} $2 != "P"
 ${AndIf} $2 != "R"
 SetErrors
 DetailPrint "ERROR: Invalid Action - must be A, P, or R"
 Goto EnvVarUpdate_Restore_Vars
 ${EndIf}
 ${If} $3 == HKLM
 ReadRegStr $5 ${hklm_all_users} $1 ; Get EnvVarName from all users into $5
 ${ElseIf} $3 == HKCU
 ReadRegStr $5 ${hkcu_current_user} $1 ; Read EnvVarName from current user into $5
 ${Else}
 SetErrors
 DetailPrint 'ERROR: Action is [$3] but must be "HKLM" or HKCU"'
 Goto EnvVarUpdate_Restore_Vars
 ${EndIf}
 ; Check for empty PathString
 ${If} $4 == ""
 SetErrors
 DetailPrint "ERROR: PathString is blank"
 Goto EnvVarUpdate_Restore_Vars
 ${EndIf}
 ; Make sure we've got some work to do
 ${If} $5 == ""
 ${AndIf} $2 == "R"
 SetErrors
 DetailPrint "$1 is empty - Nothing to remove"
 Goto EnvVarUpdate_Restore_Vars
 ${EndIf}
 ; Step 2: Scrub EnvVar
 ;
 StrCpy $0 $5 ; Copy the contents to $0
 ; Remove spaces around semicolons (NOTE: spaces before the 1st entry or
 ; after the last one are not removed here but instead in Step 3)
 ${If} $0 != "" ; If EnvVar is not empty ...
 ${Do}
 ${${UN}StrStr} $7 $0 " ;"
 ${If} $7 == ""
 ${ExitDo}
 ${EndIf}
 ${${UN}StrRep} $0 $0 " ;" ";" ; Remove '<space>;'
 ${Loop}
 ${Do}
 ${${UN}StrStr} $7 $0 "; "
 ${If} $7 == ""
 ${ExitDo}
 ${EndIf}
 ${${UN}StrRep} $0 $0 "; " ";" ; Remove ';<space>'
 ${Loop}
 ${Do}
 ${${UN}StrStr} $7 $0 ";;"
 ${If} $7 == ""
 ${ExitDo}
 ${EndIf}
 ${${UN}StrRep} $0 $0 ";;" ";"
 ${Loop}
 ; Remove a leading or trailing semicolon from EnvVar
 StrCpy $7 $0 1 0
 ${If} $7 == ";"
 StrCpy $0 $0 "" 1 ; Change ';<EnvVar>' to '<EnvVar>'
 ${EndIf}
 StrLen $6 $0
 IntOp $6 $6 - 1
 StrCpy $7 $0 1 $6
 ${If} $7 == ";"
 StrCpy $0 $0 $6 ; Change ';<EnvVar>' to '<EnvVar>'
 ${EndIf}
 ; DetailPrint "Scrubbed $1: [$0]" ; Uncomment to debug
 ${EndIf}
 /* Step 3. Remove all instances of the target path/string (even if "A" or "P")
 $6 = bool flag (1 = found and removed PathString)
 $7 = a string (e.g. path) delimited by semicolon(s)
 $8 = entry counter starting at 0
 $9 = copy of $0
 $R0 = tempChar */
 ${If} $5 != "" ; If EnvVar is not empty ...
 StrCpy $9 $0
 StrCpy $0 ""
 StrCpy $8 0
 StrCpy $6 0
 ${Do}
 ${${UN}StrTok} $7 $9 ";" $8 "0" ; $7 = next entry, $8 = entry counter
 ${If} $7 == "" ; If we've run out of entries,
 ${ExitDo} ; were done
 ${EndIf} ;
 ; Remove leading and trailing spaces from this entry (critical step for Action=Remove)
 ${Do}
 StrCpy $R0 $7 1
 ${If} $R0 != " "
 ${ExitDo}
 ${EndIf}
 StrCpy $7 $7 "" 1 ; Remove leading space
 ${Loop}
 ${Do}
 StrCpy $R0 $7 1 -1
 ${If} $R0 != " "
 ${ExitDo}
 ${EndIf}
 StrCpy $7 $7 -1 ; Remove trailing space
 ${Loop}
 ${If} $7 == $4 ; If string matches, remove it by not appending it
 StrCpy $6 1 ; Set 'found' flag
 ${ElseIf} $7 != $4 ; If string does NOT match
 ${AndIf} $0 == "" ; and the 1st string being added to $0,
 StrCpy $0 $7 ; copy it to $0 without a prepended semicolon
 ${ElseIf} $7 != $4 ; If string does NOT match
 ${AndIf} $0 != "" ; and this is NOT the 1st string to be added to $0,
 StrCpy $0 $0;$7 ; append path to $0 with a prepended semicolon
 ${EndIf} ;
 IntOp $8 $8 + 1 ; Bump counter
 ${Loop} ; Check for duplicates until we run out of paths
 ${EndIf}
 ; Step 4: Perform the requested Action
 ;
 ${If} $2 != "R" ; If Append or Prepend
 ${If} $6 == 1 ; And if we found the target
 DetailPrint "Target is already present in $1. It will be removed and"
 ${EndIf}
 ${If} $0 == "" ; If EnvVar is (now) empty
 StrCpy $0 $4 ; just copy PathString to EnvVar
 ${If} $6 == 0 ; If found flag is either 0
 ${OrIf} $6 == "" ; or blank (if EnvVarName is empty)
 DetailPrint "$1 was empty and has been updated with the target"
 ${EndIf}
 ${ElseIf} $2 == "A" ; If Append (and EnvVar is not empty),
 StrCpy $0 $0;$4 ; append PathString
 ${If} $6 == 1
 DetailPrint "appended to $1"
 ${Else}
 DetailPrint "Target was appended to $1"
 ${EndIf}
 ${Else} ; If Prepend (and EnvVar is not empty),
 StrCpy $0 $4;$0 ; prepend PathString
 ${If} $6 == 1
 DetailPrint "prepended to $1"
 ${Else}
 DetailPrint "Target was prepended to $1"
 ${EndIf}
 ${EndIf}
 ${Else} ; If Action = Remove
 ${If} $6 == 1 ; and we found the target
 DetailPrint "Target was found and removed from $1"
 ${Else}
 DetailPrint "Target was NOT found in $1 (nothing to remove)"
 ${EndIf}
 ${If} $0 == ""
 DetailPrint "$1 is now empty"
 ${EndIf}
 ${EndIf}
 ; Step 5: Update the registry at RegLoc with the updated EnvVar and announce the change
 ;
 ClearErrors
 ${If} $3 == HKLM
 WriteRegExpandStr ${hklm_all_users} $1 $0 ; Write it in all users section
 ${ElseIf} $3 == HKCU
 WriteRegExpandStr ${hkcu_current_user} $1 $0 ; Write it to current user section
 ${EndIf}
 IfErrors 0 +4
 MessageBox MB_OK|MB_ICONEXCLAMATION "Could not write updated $1 to $3"
 DetailPrint "Could not write updated $1 to $3"
 Goto EnvVarUpdate_Restore_Vars
 ; "Export" our change
 SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} 0 "STR:Environment" /TIMEOUT=5000
 EnvVarUpdate_Restore_Vars:
 ;
 ; Restore the user's variables and return ResultVar
 Pop $R0
 Pop $9
 Pop $8
 Pop $7
 Pop $6
 Pop $5
 Pop $4
 Pop $3
 Pop $2
 Pop $1
 Push $0 ; Push my $0 (ResultVar)
 Exch
 Pop $0 ; Restore his $0
 FunctionEnd
 !macroend ; EnvVarUpdate UN
 !insertmacro EnvVarUpdate ""
 !insertmacro EnvVarUpdate "un."
 ;----------------------------------- EnvVarUpdate end----------------------------------------
 !verbose pop
 !endif
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