Lovely Keqing!

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# 注册表：绕过 -NoProfile，让 PowerShell 默认输出 UTF-8
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$key = "HKCU:\Console\%SystemRoot%_System32_WindowsPowerShell_v1.0_powershell.exe"
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New-ItemProperty -Path $key -Name "CodePage" -Value 65001 -PropertyType DWord -Force | Out-Null
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# Profile：交互式终端的双重保障
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$profileDir = Split-Path $PROFILE -Parent
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if (-not (Test-Path $profileDir)) { New-Item -Path $profileDir -ItemType Directory -Force | Out-Null }
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@"
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`$OutputEncoding = [System.Text.UTF8Encoding]::new(`$false)
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[System.Console]::OutputEncoding = [System.Text.UTF8Encoding]::new(`$false)
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[System.Console]::InputEncoding = [System.Text.UTF8Encoding]::new(`$false)
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"@ | Out-File -FilePath $PROFILE -Encoding utf8 -Append
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# Python 环境变量
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[Environment]::SetEnvironmentVariable("PYTHONIOENCODING", "utf-8", "User")
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Write-Host "配置完成，重启终端生效" -ForegroundColor Green

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# 一行搞定注册表
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New-ItemProperty -Path "HKCU:\Console\%SystemRoot%_System32_WindowsPowerShell_v1.0_powershell.exe" -Name "CodePage" -Value 65001 -PropertyType DWord -Force

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$OutputEncoding = [System.Text.UTF8Encoding]::new($false)
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[System.Console]::OutputEncoding = [System.Text.UTF8Encoding]::new($false)
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[System.Console]::InputEncoding = [System.Text.UTF8Encoding]::new($false)

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echo "你好世界"