Certain HTML entities (arrows) are not rendered in

2019-09-04 09:39发布

站内问答 / C#
1766 1 5

I tried to render ⇒ ⇔ € © → in the HTML with the XMLWorker and iText. Only the copyright and euro symbol appear in the PDF. I used the dafault font and Arial but without success.

Is there a way to get those entities rendered? Is there an alterantive way to render arrows in text?

1条回答
倾城　Initia
2楼-- · 2019-09-04 09:42

As you can see in the ParseHtml3 example, it works for me:

enter image description here

This is my code to create the PDF:

public void createPdf(String file) throws IOException, DocumentException {
    // step 1
    Document document = new Document();
    // step 2
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(file));
    // step 3
    document.open();
    // step 4
    String str = "<html><head></head><body style=\"font-size:12.0pt; font-family:Arial\">"+
            "<p>Special symbols: &larr;  &darr; &harr; &uarr; &rarr; &euro; &copy;</p>" +
            "</body></html>";

    XMLWorkerHelper worker = XMLWorkerHelper.getInstance();
    InputStream is = new ByteArrayInputStream(str.getBytes());
    worker.parseXHtml(writer, document, is);
    // step 5
    document.close();
}

Note that all entities are written in lower-case.

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