iText 7的页眉和页脚中的HTML支持
对于iText 5,以下链接可用于html支持: 对于iText 7,库已更改。有人知道如何为iText 7完成它吗 当前使用的代码:iText 7的页眉和页脚中的HTML支持,itext,itext7,Itext,Itext7,对于iText 5,以下链接可用于html支持: 对于iText 7,库已更改。有人知道如何为iText 7完成它吗 当前使用的代码: protected class TableFooterEventHandler implements IEventHandler { protected ElementList header; protected ElementList footer; public TableFooterEventHandler() throws I
protected class TableFooterEventHandler implements IEventHandler {
protected ElementList header;
protected ElementList footer;
public TableFooterEventHandler() throws IOException {
header = XMLWorkerHelper.parseToElementList(HEADER, null);
footer = XMLWorkerHelper.parseToElementList(FOOTER, null);
}
@Override
public void handleEvent(Event event) {
PdfDocumentEvent docEvent = (PdfDocumentEvent) event;
PdfDocument pdfDoc = docEvent.getDocument();
Document document = new Document(pdfDoc).setTextAlignment(TextAlignment.JUSTIFIED);
PdfPage page = docEvent.getPage();
Rectangle[] columns = {
new Rectangle(36, 36, 254, 770),
new Rectangle(305, 36, 254, 770)};
document.setRenderer(new ColumnDocumentRenderer(document, columns));
for(Element e : header)
document.add(new Paragraph(header).setFont(title ? bold : normal));
PdfCanvas canvas = new PdfCanvas(page.newContentStreamBefore(), page.getResources(), pdfDoc);
new Canvas(canvas, pdfDoc, new Rectangle(36, 20, page.getPageSize().getWidth() - 72, 50)).add(header);
}
}
public static void main(String[] args) throws Exception{
File file = new File(DEST);
file.getParentFile().mkdirs();
new HtmlHeaderFooter().createPdf(DEST);
}
public void createPdf(String filename) throws Exception{
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(DEST));
Document doc = new Document(pdfDoc, PageSize.A4);
doc.setMargins(36, 36, 72, 36);
pdfDoc.addEventHandler(PdfDocumentEvent.END_PAGE, (new TableFooterEventHandler()));
for (int i = 0; i < 150; i++) {
doc.add(new Paragraph("Hello World!"));
}
doc.add(new AreaBreak());
doc.add(new Paragraph("Hello World!"));
doc.add(new AreaBreak());
doc.add(new Paragraph("Hello World!"));
doc.close();
}
元素已被弃用。iText 7对应的是什么?我很高兴地通知您,
iText7
的pdfHTML
附加组件已经发布!
要将HTML代码段转换为元素列表,请使用HtmlConverter.convertToElements
,它是XMLWorkerHelper.parseToElementList
的iText7
替代品
未设置其他转换器属性
时的简单示例:
List<IElement> headerElements = HtmlConverter.convertToElements(html);
iText 7的html2pdf预计将在2017年初发布。为了扩展Amedee的答案:元素类用于重新发送Html元素,并在XmlWorker中定义。iText7的XmlWorker等价物目前称为Html2Pdf,正在开发中。第一版预计于2017年初发布:)
List<IElement> headerElements = HtmlConverter.convertToElements(html);
Canvas canvas = new Canvas(canvas, pdfDoc, new Rectangle(36, 20, page.getPageSize().getWidth() - 72, 50));
for (IElement headerElement : headerElements) {
// Making sure we are adding blocks to canvas
if (headerElement instanceof IBlockElement) {
canvas.add((IBlockElement)headerElement);
}
}