我有一个使用 Visual Studio 2017 创建的 UWP 项目。它在这台机器（机器 1）上构建得很好。
但是，当我将项目复制到仅安装了 Visual Studio 2017 构建工具的机器（机器 2）并尝试使用 MSBuild 构建它时，出现以下错误：
C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\MSBuild\15.0\Bin\Microsoft.Common.CurrentVersion.targets
(1126,5): error MSB3644: The reference assemblies for framework ".NETCore,Version=v5.0" were not found. To resolve this
, install the SDK or Targeting Pack for this framework version or retarget your application to a version of the framewo
rk for which you have the SDK or Targeting Pack installed. Note that assemblies will be resolved from the Global Assemb
ly Cache …