带有.NET 4.5的NSIS安装程序

Question

我正在为NSIS提供一些代码片段,以检测并有条件地运行.NET 4.5安装程序

这个答案 - 带有.NET 4.0的NSIS安装程序 - 太天真了,因为只检查注册表项(而不是值)的存在不会区分4.0和4.5

Answer 1

您不应该检查确切的版本号.这将在未来发生变化(如4.0> 4.5的情况).而是使用部署指南中的代码.

除此之外,您应该尝试从.Net 4.5处理重启.

Function CheckAndInstallDotNet
    ; Magic numbers from http://msdn.microsoft.com/en-us/library/ee942965.aspx
    ClearErrors
    ReadRegDWORD $0 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full" "Release"

    IfErrors NotDetected

    ${If} $0 >= 378389

        DetailPrint "Microsoft .NET Framework 4.5 is installed ($0)"
    ${Else}
    NotDetected:
        DetailPrint "Installing Microsoft .NET Framework 4.5"
        SetDetailsPrint listonly
        ExecWait '"$INSTDIR\Tools\dotNetFx45_Full_setup.exe" /passive /norestart' $0
        ${If} $0 == 3010 
        ${OrIf} $0 == 1641
            DetailPrint "Microsoft .NET Framework 4.5 installer requested reboot"
            SetRebootFlag true
        ${EndIf}
        SetDetailsPrint lastused
        DetailPrint "Microsoft .NET Framework 4.5 installer returned $0"
    ${EndIf}

FunctionEnd