2024-05-07发表2024-05-07更新powershell / scripting1 分钟读完 (大约127个字)PowerShell错误处理核心机制基础错误捕获结构123456789101112try { Get-Content 'nonexistent.txt' -ErrorAction Stop}catch [System.IO.FileNotFoundException] { Write-Host "文件未找到: $($_.Exception.Message)"}catch { Write-Host "未知错误: $($_.Exception.GetType().FullName)"}finally { # 清理资源代码} 错误变量解析1234# 自动变量应用示例$Error[0] | Format-List * -Force$Error.Clear()$ErrorActionPreference = 'Continue' 自定义错误抛出123456function Validate-Range { param([int]$Value) if ($Value -notin 1..100) { throw [System.ArgumentOutOfRangeException]::new('Value') }} 最佳实践 优先使用强类型异常捕获 合理设置ErrorActionPreference 保持finally块简洁 记录完整错误堆栈信息 PowerShell错误处理核心机制https://blog.vichamp.com/2024/05/07/powershell-error-handling-essentials/作者Victor Woo发布于2024-05-07更新于2024-05-07许可协议#scripting