将 Publisher PUB 转换为 PDF 的 Java 代码
// Load input PUB file
IPubParser parser = PubFactory.createParser(fileName);
// Parse the PUB file
Document publisherToPdf = parser.parse();
// Convert Publisher PUB to PDF
PubFactory.createPdfConverter().convertToPdf(publisherToPdf, "pub-to.pdf");