PowerShell 设置代理

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# NOTE: registry keys for IE 8, may vary for other versions
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$regPath = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings'
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function Clear-Proxy
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{
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    Set-ItemProperty -Path $regPath -Name ProxyEnable -Value 0
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    Set-ItemProperty -Path $regPath -Name ProxyServer -Value ''
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    Set-ItemProperty -Path $regPath -Name ProxyOverride -Value ''
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    [Environment]::SetEnvironmentVariable('http_proxy', $null, 'User')
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    [Environment]::SetEnvironmentVariable('https_proxy', $null, 'User')
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}
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function Set-Proxy
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{
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    $proxy = 'http://example.com'
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    Set-ItemProperty -Path $regPath -Name ProxyEnable -Value 1
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    Set-ItemProperty -Path $regPath -Name ProxyServer -Value $proxy
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    Set-ItemProperty -Path $regPath -Name ProxyOverride -Value '<local>'
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    [Environment]::SetEnvironmentVariable('http_proxy', $proxy, 'User')
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    [Environment]::SetEnvironmentVariable('https_proxy', $proxy, 'User')
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}