Java 如何将html页面导出为pdf格式?
我必须为我的网站提供一些导出功能,如CSV或PDF。Java是否有一个强大且免费的工具来将HTML页面转换为PDF格式?您可以使用JTidy框架来实现这一点。这将把HTML转换为XHTML,并再次转换为XSL-FO。此对象可用于生成PDF 使用with可以将HTML内容转换为PDF。Java 如何将html页面导出为pdf格式?,java,html,pdf,Java,Html,Pdf,我必须为我的网站提供一些导出功能,如CSV或PDF。Java是否有一个强大且免费的工具来将HTML页面转换为PDF格式?您可以使用JTidy框架来实现这一点。这将把HTML转换为XHTML,并再次转换为XSL-FO。此对象可用于生成PDF 使用with可以将HTML内容转换为PDF。 以下示例在一定程度上帮助您理解XHTML到PDF的转换 使用飞碟API的示例: 您需要以下库: core-renderer.jar iText-2.0.8.jar 您可以在中找到这些资源 示例1:使用XML资源
以下示例在一定程度上帮助您理解XHTML到PDF的转换 使用飞碟API的示例:
您需要以下库:
- core-renderer.jar
- iText-2.0.8.jar
// if you have html source in hand, use it to generate document object
Document document = XMLResource.load( new ByteArrayInputStream( yourXhtmlContentAsString.getBytes() ) ).getDocument();
ITextRenderer renderer = new ITextRenderer();
renderer.setDocument( document, null );
renderer.layout();
String fileNameWithPath = outputFileFolder + "PDF-XhtmlRendered.pdf";
FileOutputStream fos = new FileOutputStream( fileNameWithPath );
renderer.createPDF( fos );
fos.close();
System.out.println( "File 1: '" + fileNameWithPath + "' created." );
ITextRenderer renderer = new ITextRenderer();
// if you have html source in hand, use it to generate document object
renderer.setDocumentFromString( yourXhtmlContentAsString );
renderer.layout();
String fileNameWithPath = outputFileFolder + "PDF-FromHtmlString.pdf";
FileOutputStream fos = new FileOutputStream( fileNameWithPath );
renderer.createPDF( fos );
fos.close();
System.out.println( "File 2: '" + fileNameWithPath + "' created." );
com.itextpdf.text.Document document =
new com.itextpdf.text.Document( com.itextpdf.text.PageSize.A4 );
String fileNameWithPath = outputFileFolder + "PDF-HtmlWorkerParsed.pdf";
FileOutputStream fos = new FileOutputStream( fileNameWithPath );
com.itextpdf.text.pdf.PdfWriter pdfWriter =
com.itextpdf.text.pdf.PdfWriter.getInstance( document, fos );
document.open();
//**********************************************************
// if required, you can add document meta data
document.addAuthor( "Ravinder" );
//document.addCreator( creator );
document.addSubject( "HtmlWoker Parsed Pdf from iText" );
document.addCreationDate();
document.addTitle( "HtmlWoker Parsed Pdf from iText" );
//**********************************************************/
com.itextpdf.text.html.simpleparser.HTMLWorker htmlWorker =
new com.itextpdf.text.html.simpleparser.HTMLWorker( document );
htmlWorker.parse( new StringReader( sb.toString() ) );
document.close();
fos.close();
System.out.println( "File 3: '" + fileNameWithPath + "' created." );
示例2:使用XHTML直接输入文档:
// if you have html source in hand, use it to generate document object
Document document = XMLResource.load( new ByteArrayInputStream( yourXhtmlContentAsString.getBytes() ) ).getDocument();
ITextRenderer renderer = new ITextRenderer();
renderer.setDocument( document, null );
renderer.layout();
String fileNameWithPath = outputFileFolder + "PDF-XhtmlRendered.pdf";
FileOutputStream fos = new FileOutputStream( fileNameWithPath );
renderer.createPDF( fos );
fos.close();
System.out.println( "File 1: '" + fileNameWithPath + "' created." );
ITextRenderer renderer = new ITextRenderer();
// if you have html source in hand, use it to generate document object
renderer.setDocumentFromString( yourXhtmlContentAsString );
renderer.layout();
String fileNameWithPath = outputFileFolder + "PDF-FromHtmlString.pdf";
FileOutputStream fos = new FileOutputStream( fileNameWithPath );
renderer.createPDF( fos );
fos.close();
System.out.println( "File 2: '" + fileNameWithPath + "' created." );
com.itextpdf.text.Document document =
new com.itextpdf.text.Document( com.itextpdf.text.PageSize.A4 );
String fileNameWithPath = outputFileFolder + "PDF-HtmlWorkerParsed.pdf";
FileOutputStream fos = new FileOutputStream( fileNameWithPath );
com.itextpdf.text.pdf.PdfWriter pdfWriter =
com.itextpdf.text.pdf.PdfWriter.getInstance( document, fos );
document.open();
//**********************************************************
// if required, you can add document meta data
document.addAuthor( "Ravinder" );
//document.addCreator( creator );
document.addSubject( "HtmlWoker Parsed Pdf from iText" );
document.addCreationDate();
document.addTitle( "HtmlWoker Parsed Pdf from iText" );
//**********************************************************/
com.itextpdf.text.html.simpleparser.HTMLWorker htmlWorker =
new com.itextpdf.text.html.simpleparser.HTMLWorker( document );
htmlWorker.parse( new StringReader( sb.toString() ) );
document.close();
fos.close();
System.out.println( "File 3: '" + fileNameWithPath + "' created." );
使用iText API的示例:您需要以下库:
- core-renderer.jar
- itextpdf-5.2.1.jar
// if you have html source in hand, use it to generate document object
Document document = XMLResource.load( new ByteArrayInputStream( yourXhtmlContentAsString.getBytes() ) ).getDocument();
ITextRenderer renderer = new ITextRenderer();
renderer.setDocument( document, null );
renderer.layout();
String fileNameWithPath = outputFileFolder + "PDF-XhtmlRendered.pdf";
FileOutputStream fos = new FileOutputStream( fileNameWithPath );
renderer.createPDF( fos );
fos.close();
System.out.println( "File 1: '" + fileNameWithPath + "' created." );
ITextRenderer renderer = new ITextRenderer();
// if you have html source in hand, use it to generate document object
renderer.setDocumentFromString( yourXhtmlContentAsString );
renderer.layout();
String fileNameWithPath = outputFileFolder + "PDF-FromHtmlString.pdf";
FileOutputStream fos = new FileOutputStream( fileNameWithPath );
renderer.createPDF( fos );
fos.close();
System.out.println( "File 2: '" + fileNameWithPath + "' created." );
com.itextpdf.text.Document document =
new com.itextpdf.text.Document( com.itextpdf.text.PageSize.A4 );
String fileNameWithPath = outputFileFolder + "PDF-HtmlWorkerParsed.pdf";
FileOutputStream fos = new FileOutputStream( fileNameWithPath );
com.itextpdf.text.pdf.PdfWriter pdfWriter =
com.itextpdf.text.pdf.PdfWriter.getInstance( document, fos );
document.open();
//**********************************************************
// if required, you can add document meta data
document.addAuthor( "Ravinder" );
//document.addCreator( creator );
document.addSubject( "HtmlWoker Parsed Pdf from iText" );
document.addCreationDate();
document.addTitle( "HtmlWoker Parsed Pdf from iText" );
//**********************************************************/
com.itextpdf.text.html.simpleparser.HTMLWorker htmlWorker =
new com.itextpdf.text.html.simpleparser.HTMLWorker( document );
htmlWorker.parse( new StringReader( sb.toString() ) );
document.close();
fos.close();
System.out.println( "File 3: '" + fileNameWithPath + "' created." );
可能重复:很抱歉回复太晚。。。。。parse(新的StringReader(sb.toString());我得到一个JSP输出…如何将其转换为HTML。我认为sb是XHTML/HTML内容。是吗?你的代码中没有阿拉伯字母。有办法吗?@user4757345:您是否看到
'html'
内容类型设置为“text/html;charset=utf-8”
。基本上是HTML指令,以便解析器在构建PDF页面时理解并使用相同的指令。我添加了“”,但没有任何更改。你可以在“[”中看到我的html。谢谢。@Ravinder我希望我能给你+100。我花了这么多时间处理这个,我用过的所有不同的凌乱的库等等。非常感谢!