原文 NSIS：判断并安装.NET Framework 4 的例子
现在.NET开发的软件已经大行其道，但有些操作系统并不符合软件的运行要求，所以，我们需要在安装程序中进行.NET Framework的判断，如果不符合要求就进行静默安装。
首先，我们在Function区段进行当前.NET版本判断：
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Function GetNetFrameworkVersion |
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ReadRegDWORD $0 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full""Install" |
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ReadRegDWORD $1 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full""Version" |
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StrCmp $0 1 KnowNetFrameworkVersion +1 |
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ReadRegDWORD $0 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5""Install" |
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ReadRegDWORD $1 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5""Version" |
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StrCmp $0 1 KnowNetFrameworkVersion +1 |
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ReadRegDWORD $0 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0\Setup" "InstallSuccess" |
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ReadRegDWORD $1 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.0\Setup" "Version" |
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StrCmp $0 1 KnowNetFrameworkVersion +1 |
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ReadRegDWORD $0 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v2.0.50727" "Install" |
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ReadRegDWORD $1 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v2.0.50727" "Version" |
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StrCpy $1 "2.0.50727.832" |
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StrCmp $0 1 KnowNetFrameworkVersion +1 |
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ReadRegDWORD $0 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v1.1.4322" "Install" |
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ReadRegDWORD $1 HKLM "SOFTWARE\Microsoft\NET Framework Setup\NDP\v1.1.4322" "Version" |
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StrCpy $1 "1.1.4322.573" |
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StrCmp $0 1 KnowNetFrameworkVersion +1 |
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ReadRegDWORD $0 HKLM "SOFTWARE\Microsoft\.NETFramework\policy\v1.0""Install" |
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ReadRegDWORD $1 HKLM "SOFTWARE\Microsoft\.NETFramework\policy\v1.0""Version" |
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StrCpy $1 "1.0.3705.0" |
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StrCmp $0 1 KnowNetFrameworkVersion +1 |
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StrCpy $1 "not .NetFramework" |
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KnowNetFrameworkVersion: |
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然后，在Section区段进行.NET静默安装：
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Call GetNetFrameworkVersion |
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${If} $R1 < '4.0.30319' |
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SetDetailsPrint textonly |
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DetailPrint "正在安装 .NET Framework 4" |
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SetDetailsPrint listonly |
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File "dotNetFx40_Full_x86_x64.exe" |
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ExecWait '$TEMP\dotNetFx40_Full_x86_x64.exe /q /norestart /ChainingPackage FullX64Bootstrapper' $R1 |
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Delete "$TEMP\dotNetFx40_Full_x86_x64.exe" |
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当然，在Section区段可以做到自动在线下载而不把.NET打到安装包中，这样可以减小安装包体积，效果可参考
紫辰记账本安装程序。
