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測試加密功能(默認128位加密),我創建了一個PDF文件'apps.pdf'與密碼保護'abcd'作爲密碼。pdf文件加密功能錯誤
源代碼1:
use PDF::Tk;
my $doc = PDF::Tk->new(pdftk => '/apps/free/pdftk/1.44/bin/pdftk');
$doc->call_pdftk('apps.pdf', '1.128.pdf', 'owner_pw', 'abcd');
收到錯誤:
Error: Unexpected command-line data:
owner_pw
where we were expecting an input PDF filename,
operation (e.g. "cat") or "input_pw". Exiting.
Errors encountered. No output created.
Done. Input errors, so no output created.
pdftk apps.pdf owner_pw abcd 1.128.pdf failed: 256 at /usr/lib/perl5/site_perl/5.10.0/PDF/Tk.pm line 73.
注:創建與文檔打開密碼爲 'ABCD' 和權限密碼爲「一個新的PDF 'apps.pdf' abcd123 」。請讓我知道如何解決它。