vs2019官网下载

https://visualstudio.microsoft.com/zh-hans/downloads/

下载离线版本官方说明

https://docs.microsoft.com/en-us/visualstudio/install/create-an-offline-installation-of-visual-studio?view=vs-2019

命令行参数说明

https://docs.microsoft.com/en-us/visualstudio/install/use-command-line-parameters-to-install-visual-studio?view=vs-2019

Workland和Component ID参考

https://docs.microsoft.com/en-us/visualstudio/install/workload-component-id-vs-professional?view=vs-2019

命令

vs_professional__131851018.1581061934.exe --layout d:\vs2019layout --add Microsoft.VisualStudio.Workload.CoreEditor --add Microsoft.VisualStudio.Workload.ManagedGame --add Microsoft.VisualStudio.Workload.NativeDesktop --add Microsoft.VisualStudio.Workload.NativeGame --add Microsoft.VisualStudio.Workload.Python --add Microsoft.VisualStudio.Component.Git --includeRecommended --includeOptional --lang en-US

参数说明

--layout d:\vs2019layout	指定离线安装目录d:\vs2019layout
--add Microsoft.VisualStudio.Workload.CoreEditor --add Microsoft.VisualStudio.Workload.ManagedGame --add Microsoft.VisualStudio.Workload.NativeDesktop --add Microsoft.VisualStudio.Workload.NativeGame --add Microsoft.VisualStudio.Workload.Python	下载各个组合包： 核心包 Unity游戏支持 C++桌面应用开发 C++游戏开发 Python
--add Microsoft.VisualStudio.Component.Git	再单独添加Git支持
--includeRecommended --includeOptional	默认只下载Required包，再要求下载Recommended、Optional包
--lang en-US	指定语言