修改NuGet packages目录路径

在*.sln文件同目录下新建配置文件nuget.config，内容为

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <config>
    <add key="repositorypath" value="..\packages\" />
  </config>
</configuration>

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https://www.cnblogs.com/chrishwang/p/change-nuget-packages-directory-path.html