53 lines
2.1 KiB
PowerShell
53 lines
2.1 KiB
PowerShell
[CmdletBinding()]
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param(
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[string]$SourceBackupPath = "D:\work\code\PayrollManagementSystem\db\ceshi20261026.bak",
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[string]$TPlusRoot = "D:\work\app\tplus-sqlserver"
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)
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Set-StrictMode -Version Latest
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$ErrorActionPreference = "Stop"
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function Assert-OnDDrive([string]$Path) {
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$full = [IO.Path]::GetFullPath($Path)
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if (-not $full.StartsWith("D:\", [StringComparison]::OrdinalIgnoreCase)) {
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throw "T+ 数据目录必须位于 D 盘：$full"
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}
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}
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Assert-OnDDrive $TPlusRoot
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if (-not (Test-Path -LiteralPath $SourceBackupPath -PathType Leaf)) {
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throw "找不到客户备份文件：$SourceBackupPath"
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}
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$dataDir = Join-Path $TPlusRoot "data"
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$logDir = Join-Path $TPlusRoot "log"
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$backupDir = Join-Path $TPlusRoot "backup"
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$scriptsDir = Join-Path $TPlusRoot "scripts"
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foreach ($dir in @($dataDir, $logDir, $backupDir, $scriptsDir)) {
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New-Item -ItemType Directory -Path $dir -Force | Out-Null
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}
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$destination = Join-Path $backupDir (Split-Path $SourceBackupPath -Leaf)
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$sourceHash = (Get-FileHash -LiteralPath $SourceBackupPath -Algorithm SHA256).Hash
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if (Test-Path -LiteralPath $destination -PathType Leaf) {
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$destinationHash = (Get-FileHash -LiteralPath $destination -Algorithm SHA256).Hash
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if ($destinationHash -ne $sourceHash) {
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throw "D 盘已有同名备份，但 SHA-256 不一致：$destination"
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}
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Write-Host "备份已存在且校验一致：$destination"
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} else {
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Write-Host "正在把备份复制到 D 盘，源文件不会被修改……"
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Copy-Item -LiteralPath $SourceBackupPath -Destination $destination -Force
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$destinationHash = (Get-FileHash -LiteralPath $destination -Algorithm SHA256).Hash
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if ($destinationHash -ne $sourceHash) {
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throw "复制完成后 SHA-256 校验失败：$destination"
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}
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Write-Host "备份复制完成：$destination"
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}
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$hashFile = "$destination.sha256"
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"$destinationHash $(Split-Path $destination -Leaf)" | Set-Content -LiteralPath $hashFile -Encoding utf8
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Write-Host "SHA-256：$destinationHash"
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Write-Host "SQL Server 数据、日志和备份目录已准备在：$TPlusRoot"
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