找不到资产文件“xxxxobjproject.assets.json

VS2017新建.net Core 2.0项目后生成时报:找不到资产文件“xxxxobjproject.assets.json”
先检查.Net Core 2.0环境有没有安装完毕
https://docs.microsoft.com/zh-cn/dotnet/core/windows-prerequisites?tabs=netcore2x#visual-studio-2017

.NET Core SDK 2.0 Windows x64 Installer:
dotnet-sdk-2.0.0-win-gs-x64.exe
dotnet-sdk-2.0.0-win-x64.exe

然后命令行定位到项目文件夹下运行：dotnet restore