检查 Windows、Linux 和 macOS 上安装的 .NET 版本

2024-03-23 10:43| 来源: 网络整理| 查看: 265

如何检查是否已安装 .NET 项目 01/03/2024

本文介绍如何检查计算机上安装的 .NET 运行时和 SDK 的版本。如果拥有集成开发环境（如 Visual Studio），则可能已安装 .NET。

安装 SDK 便会安装相应的运行时。

如果本文中的任何命令失败，则未安装运行时或 SDK。有关详细信息，请参阅 Windows、macOS 或 Linux 的安装文章。

检查 SDK 版本

可使用终端查看当前安装的 .NET SDK 版本。打开终端并运行以下命令。

dotnet --list-sdks

将获得类似于下面的输出。

3.1.424 [C:\program files\dotnet\sdk] 5.0.100 [C:\program files\dotnet\sdk] 6.0.402 [C:\program files\dotnet\sdk] 7.0.404 [C:\program files\dotnet\sdk] 8.0.100 [C:\program files\dotnet\sdk] 3.1.424 [/home/user/dotnet/sdk] 5.0.100 [/home/user/dotnet/sdk] 6.0.402 [/home/user/dotnet/sdk] 7.0.404 [/home/user/dotnet/sdk] 8.0.100 [/home/user/dotnet/sdk] 3.1.424 [/usr/local/share/dotnet/sdk] 5.0.100 [/usr/local/share/dotnet/sdk] 6.0.402 [/usr/local/share/dotnet/sdk] 7.0.404 [/usr/local/share/dotnet/sdk] 8.0.100 [/usr/local/share/dotnet/sdk] 检查运行时版本

可使用以下命令查看当前安装的 .NET 运行时版本。

dotnet --list-runtimes

将获得类似于下面的输出。

Microsoft.AspNetCore.App 3.1.30 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 6.0.10 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 7.0.5 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 8.0.0 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.NETCore.App 3.1.30 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 5.0.17 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 6.0.10 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 7.0.5 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 8.0.0 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.WindowsDesktop.App 3.1.30 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 6.0.10 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 7.0.5 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 8.0.0 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.AspNetCore.All 2.1.7 [/usr/lib/dotnet/shared/Microsoft.AspNetCore.All] Microsoft.AspNetCore.All 2.1.13 [/usr/lib/dotnet/shared/Microsoft.AspNetCore.All] Microsoft.AspNetCore.App 2.1.7 [/usr/lib/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 2.1.13 [/usr/lib/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 3.1.0 [/usr/lib/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 5.0.0 [/usr/lib/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 6.0.0 [/usr/lib/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.NETCore.App 2.1.7 [/usr/lib/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 2.1.13 [/usr/lib/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 3.1.0 [/usr/lib/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 5.0.0 [/usr/lib/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 6.0.0 [/usr/lib/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 7.0.0 [/usr/lib/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 8.0.0 [/usr/lib/dotnet/shared/Microsoft.NETCore.App] Microsoft.AspNetCore.All 2.1.7 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.All] Microsoft.AspNetCore.All 2.1.13 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.All] Microsoft.AspNetCore.App 2.1.7 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 2.1.13 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 3.1.0 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 5.0.0 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 6.0.0 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.NETCore.App 2.1.7 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 2.1.13 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 3.1.0 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 5.0.0 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 6.0.0 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 7.0.0 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 8.0.0 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] 检查安装文件夹

可以安装 .NET，但不能将其添加到操作系统或用户配置文件的 PATH 变量。在这种情况下，前面几节中的命令可能不起作用。作为替代方法，可以检查 .NET 安装文件夹是否存在。

从安装程序或脚本安装 .NET 时，会将其安装到标准文件夹中。大多数时候，安装 .NET 时使用的安装程序或脚本会让你选择安装到另一个文件夹。如果选择安装到其他文件夹，请调整文件夹路径的开头。

dotnet executable C:\program files\dotnet\dotnet.exe

.NET SDK C:\program files\dotnet\sdk\{version}\

.NET 运行时 C:\program files\dotnet\shared\{runtime-type}\{version}\

dotnet executable /home/user/.dotnet/dotnet /usr/lib/dotnet/dotnet /usr/share/dotnet/dotnet\

.NET SDK /home/user/.dotnet/sdk/{version}/ /usr/lib/dotnet/sdk/{version}/ /usr/share/dotnet/sdk/{version}/\

.NET 运行时 /home/user/.dotnet/shared/{runtime-type}/{version}/ /usr/lib/dotnet/shared/{runtime-type}/{version}/ /usr/share/dotnet/shared/{runtime-type}/{version}/\

dotnet executable /usr/local/share/dotnet/dotnet

.NET SDK /usr/local/share/dotnet/sdk/{version}/

.NET Runtime /usr/local/share/dotnet/shared/{runtime-type}/{version}/

详细信息

可通过命令 dotnet --info 查看 SDK 版本和运行时版本。你还将获得其他环境相关信息，如操作系统版本和运行时标识符 (RID)。

后续步骤安装 .NET 运行时和适用于 Windows 的 SDK。安装 .NET 运行时和适用于 macOS 的 SDK。安装 .NET 运行时和适用于 Linux 的 SDK。请参阅确定已安装的 .NET Framework 版本

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