PowerShell创建PSCustomObject及生成指定格式JSON Payload技术求助

Hey there! Let's tackle this PowerShell JSON payload problem together. Here's a straightforward, reliable way to build exactly the JSON structure you need from your ID file.

Step-by-Step Solution #

First, let's assume your ID file has one ID per line (the most common format for this scenario). If your file uses a different delimiter, I'll add a quick tweak for that too.

1. Full Working Code #

# 1. Read the ID file, filter out empty lines to avoid invalid entries in the array
$assetIds = Get-Content -Path "C:\your\file\path\ids.txt" | Where-Object { $_ -match '\S' }

# 2. Build the custom object matching your target JSON structure
$jsonPayload = [PSCustomObject]@{
    assetIds = $assetIds
    sendNotification = $true
}

# 3. Convert to properly formatted JSON (use -Compress if you want minified output)
$jsonPayload | ConvertTo-Json -Depth 10

# Optional: Save directly to a JSON file
# $jsonPayload | ConvertTo-Json -Depth 10 | Set-Content -Path "C:\your\output\payload.json"

2. Key Details Explained #

• Filtering Empty Lines: The Where-Object { $_ -match '\S' } ensures we skip any blank lines in your ID file, so your assetIds array won't have empty strings.
• PSCustomObject Structure: Using [PSCustomObject] creates an object with exactly the keys your target JSON requires (assetIds and sendNotification), which translates perfectly when converted to JSON.
• Depth Parameter: -Depth 10 ensures PowerShell properly serializes the array (the default depth is 2, which works here, but setting a higher value prevents issues if you ever expand the structure later).
• Minified vs. Pretty-Print: Remove -Depth 10 and add -Compress if you need minified JSON instead of human-readable format.

3. If Your IDs Are Comma-Separated (Not Per Line) #

If your ID file has all IDs in a single line separated by commas (e.g., id1, id2, id3), adjust the first line to split and clean the values:

$assetIds = (Get-Content -Path "C:\your\file\path\ids.txt" -Raw).Split(',') | ForEach-Object { $_.Trim() } | Where-Object { $_ }

That should give you exactly the JSON payload you're targeting! Let me know if you run into any edge cases with your specific ID file format.

内容的提问来源于stack exchange，提问作者Hein