[问题求助] powershell调用ddddocr

# 测试 ocr classification
# ddddocr.exe -a 127.0.0.1 -p 9898 --ocr
# [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12
$webclient = New-Object System.Net.WebClient
$webclient.Encoding = New-Object System.Text.UTF8Encoding -ArgumentList $false
$dddd_url = 'http://127.0.0.1:9898/ocr/b64/text'
# $dddd_url = 'http://127.0.0.1:9898/ocr_probability/b64/text'
Get-ChildItem -Filter captcha*.* -File | ForEach-Object {
  $sjson = ConvertTo-Json @{image = [Convert]::ToBase64String([IO.File]::ReadAllBytes($_.FullName)) } -Compress
  $webclient.Headers.Add('Content-Type', 'application/json')
  $result = $webclient.UploadString($dddd_url, 'Post', $sjson)
  #$webclient.Encoding.GetString($result_bytes)
  $_ | Add-Member -MemberType NoteProperty -Name Captcha -Value $result -PassThru
} | Format-List -Property Name, Captcha

$webclient.Dispose()
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