$ErrorActionPreference='Stop'
$Fat='E:\wwwroot\inquiry-new\jeecg-system-start-3.5.3.jar'
$work=Join-Path $env:TEMP 'chk-captcha-class'
if(Test-Path $work){Remove-Item $work -Recurse -Force}
New-Item -ItemType Directory $work|Out-Null
$jarCmd=$null
foreach($c in @('C:\yutongda\tools\jdk8\bin\jar.exe','E:\wwwroot\tools\jdk-17\bin\jar.exe')){ if(Test-Path $c){ $jarCmd=$c; break } }
Push-Location $work
& $jarCmd xf $Fat 'BOOT-INF/lib/jeecg-system-biz-3.5.3.jar'
& $jarCmd xf 'BOOT-INF/lib/jeecg-system-biz-3.5.3.jar' 'org/jeecg/modules/system/controller/LoginController.class'
$classPath = Join-Path $work 'org\jeecg\modules\system\controller\LoginController.class'
if (-not (Test-Path $classPath)) { throw ("class missing under " + $work) }
$bytes=[IO.File]::ReadAllBytes($classPath)
$ascii=[Text.Encoding]::ASCII.GetString($bytes)
$has= $ascii.Contains('loginCaptchaEnabled')
Write-Host ("has_loginCaptchaEnabled=" + $has)
Write-Host ("class_bytes=" + $bytes.Length)
Pop-Location