我想问一下 unity 添加 DLL 为什么会失效

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我将DLL 放入到 unity Assert/Plugins/ 文件夹下面了， 添加引用的时候 弹出警告

1>C:\Program Files (x86)\MSBuild\14.0\bin\Microsoft.Common.CurrentVersion.targets(1820,5): warning MSB3258: The primary reference "CLRDLL" could not be resolved because it has an indirect dependency on the .NET Framework assembly "mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" which has a higher version "4.0.0.0" than the version "2.0.0.0" in the current target framework.

1>C:\Program Files (x86)\MSBuild\14.0\bin\Microsoft.Common.CurrentVersion.targets(1820,5): warning MSB3258: The primary reference "CLRDLL" could not be resolved because it has an indirect dependency on the .NET Framework assembly "System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" which has a higher version "4.0.0.0" than the version "2.0.0.0" in the current target framework.

1>C:\Program Files (x86)\MSBuild\14.0\bin\Microsoft.Common.CurrentVersion.targets(1820,5): warning MSB3258: The primary reference "CLRDLL" could not be resolved because it has an indirect dependency on the .NET Framework assembly "System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" which has a higher version "4.0.0.0" than the version "2.0.0.0" in the current target framework.

1>C:\Program Files (x86)\MSBuild\14.0\bin\Microsoft.Common.CurrentVersion.targets(1820,5): warning MSB3258: The primary reference "CLRDLL" could not be resolved because it has an indirect dependency on the .NET Framework assembly "System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" which has a higher version "4.0.0.0" than the version "3.5.0.0" in the current target framework.

1>C:\Program Files (x86)\MSBuild\14.0\bin\Microsoft.Common.CurrentVersion.targets(1820,5): warning MSB3258: The primary reference "CLRDLL" could not be resolved because it has an indirect dependency on the .NET Framework assembly "System.Data.SqlXml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" which has a higher version "4.0.0.0" than the version "2.0.0.0" in the current target framework.

1>C:\Program Files (x86)\MSBuild\14.0\bin\Microsoft.Common.CurrentVersion.targets(1820,5): warning MSB3268: The primary reference "CLRDLL" could not be resolved because it has an indirect dependency on the framework assembly "System.Numerics, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" which could not be resolved in the currently targeted framework. ".NETFramework,Version=v3.5". To resolve this problem, either remove the reference "CLRDLL" or retarget your application to a framework version which contains "System.Numerics, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089".

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引用 1 楼 zq1564171310 的回复:

缺少依赖库，你的dll的目标framework是哪个版本？你现在的framework哪个版本？确认下看看

Unity的 FrameWork 和我DLL的FrameWork 都改成 v3.5了 还是有问题

[zq1564171310]

把dll打包成framework4.0试试，以前我遇到过，改了dll的framework4.0似乎就没事了

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引用 3 楼 zq1564171310 的回复:

把dll打包成framework4.0试试，以前我遇到过，改了dll的framework4.0似乎就没事了

怎么打包成4.0版本啊。。是新建个项目吗？

[zq1564171310]

在解决方案里面，选中项目，右键属性，会有target framework

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引用 5 楼 zq1564171310 的回复:

在解决方案里面，选中项目，右键属性，会有target framework

UNITY本身的版本是v3.5 4.0直接警告了 但是 warning MSB3258: The primary reference "DLLLLLLLL" could not be resolved because it has an indirect dependency on the .NET Framework assembly "mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" which has a higher version "4.0.0.0" than the version "2.0.0.0" in the current target framework. 这个问题一直没解决了

[zq1564171310]

缺少依赖库，你的dll的目标framework是哪个版本？你现在的framework哪个版本？确认下看看

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引用 5 楼 zq1564171310 的回复:

在解决方案里面，选中项目，右键属性，会有target framework

谢谢你哈~

[zq1564171310]

你用的unity什么版本？

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引用 8 楼 zq1564171310 的回复:

你用的unity什么版本？

Unity 5.4.1f1 (64-bit) 应该算最新版本了吧