https://stackoverflow.com/questions/9232160/nuget-behind-proxy

nuget.exe config -set http_proxy=http://my.proxy.address:portnuget.exe config -set http_proxy.user=mydomain\myUserNamenuget.exe config -set http_proxy.password=mySuperSecretPassword

This put the following in my NuGet.config located at %appdata%\NuGet (which maps to C:\Users\myUserName\AppData\Roaming on my Windows 7 machine):

win10的系统，配置文件在C:\Users\clu\AppData\Roaming\NuGet\NuGet.Config

<?xml version="1.0" encoding="utf-8"?><configuration>  <packageSources>    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />  </packageSources>  <config>    <add key="http.proxy" value="sasygsha01prx11_p.asnet.accorservices.net:8080" />  </config></configuration>

NuGet配置代理