PowerShell

$apiUrl = "http://192.168.2.200:8002/file/upload"
$filePath = "C:\Users\GDP\Pictures\Screenshots\1.png"

$fileBytes = Get-Content -Path $filePath -Encoding Byte -ReadCount 0

# 构造body并指定boundary
$boundary = [System.Guid]::NewGuid().ToString()
$formattedBody = @"
--{0}
Content-Disposition: form-data; name="element-name"
Content-Type: text/plain

Name fdafda
--{0}
Content-Disposition: form-data; name="image"; filename="{1}"
Content-Type: image/png

{2}
--{0}--
"@ -f $boundary, (Split-Path -Leaf $filePath), [System.Convert]::ToBase64String($fileBytes)

$headers = @{
    Accept = "application/json"
    "Content-Type" = "multipart/form-data; boundary=$boundary"
}

$fileBytes.Length

$formattedBody.Length

$response = Invoke-RestMethod -Uri $apiUrl -Method Post -Body $formattedBody -Headers $headers

$response

$apiUrl = "http://192.168.2.200:8002/file/upload"
$filePath = "C:\Users\GDP\Pictures\Screenshots\1.png"

Invoke-RestMethod -Uri $apiUrl -Method Post -InFile $filePath -ContentType "multipart/form-data; boundary=WebAppBoundary"