public Document parsePdf(String url, Map<String, Object> map, OutputStream outStream) {
PdfDocument outDocument = null;
try {
PdfReader pdfReader = PdfCache.getDocument(url);
PdfWriter pdfWriter = new PdfWriter(outStream);
outDocument = new PdfDocument(pdfReader, pdfWriter);
document = new MyDocument(outDocument);
replaceDocument(outDocument, map);
} catch (Exception e) {
LOGGER.error(e.getMessage(), e);
} finally {
document.close();
outDocument.close();
;
}
return document;
}

/// map未替换值
public void replaceDocument(PdfDocument redDocument, Map<String, Object> map ) {
int numberOfPages = redDocument.getNumberOfPages();
for (int i = 1; i <= numberOfPages; i++) {
PdfDictionary dict = redDocument.getPage(i).getPdfObject();
PdfObject object = dict.get(PdfName.Contents);
if (object instanceof PdfStream) {
PdfStream stream = (PdfStream) object;
byte[] data = stream.getBytes();
String replacedData = new String(data).replace("testCode", "小明");
stream.setData(replacedData.getBytes(StandardCharsets.UTF_8));
}
}
}