java根據富文本生成pdf文件

public class PdfUtil {

    /*
     * 生成pdf工具類
     * wmy 12:40 2019/8/9
     * @Param [guideBook, pdfPath]
     * @return java.lang.Boolean
     **/
    public static Boolean htmlToPdf(GuideBook guideBook, String pdfPath) {
        try {
            // 1.新建document
            Document document = new Document();
            // 2.建立一個書寫器(Writer)與document對象關聯，通過書寫器(Writer)可以將文檔寫入到磁盤中。
            //創建 PdfWriter 對象 第一個參數是對文檔對象的引用，第二個參數是文件的實際名稱，在該名稱中還會給出其輸出路徑。
            PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(pdfPath));
            // 3.打開文檔
            document.open();
            //要解析的html
            //html轉換成普通文字,方法如下:
            org.jsoup.nodes.Document contentDoc = Jsoup.parseBodyFragment(getHtml(guideBook.getTitle())+guideBook.getContent());
            org.jsoup.nodes.Document.OutputSettings outputSettings = new org.jsoup.nodes.Document.OutputSettings();
            outputSettings.syntax(org.jsoup.nodes.Document.OutputSettings.Syntax.xml);
            contentDoc.outputSettings(outputSettings);
            String parsedHtml = contentDoc.outerHtml();
            //這兒的font-family不支持漢字，{font-family:仿宋} 是不可以的。
            InputStream cssIs = new ByteArrayInputStream("* {font-family: PingFang-SC-Medium.otf;}".getBytes("UTF-8"));
            //第四個參數是html中的css文件的輸入流
            //第五個參數是字體提供者，使用系統默認支持的字體時，可以不傳。
            XMLWorkerHelper.getInstance().parseXHtml(writer, document, new ByteArrayInputStream(parsedHtml.getBytes()), cssIs);
            // 5.關閉文檔
            document.close();
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    /*
     * 下載文件
     * wmy 9:54 2019/8/12
     * @Param [request, response, inputStream, fileName]
     * @return void
     **/
    public static void download(HttpServletRequest request, HttpServletResponse response, InputStream inputStream, String fileName){
        BufferedOutputStream bos = null;
        try {
            // 定義輸出緩沖 10k
            byte[] buffer = new byte[10240];
            //文件名稱的處理
           // http://127.0.0.1:5002/guide-book/pdf?id=124
            fileName = fileName.replaceAll("[\\pP\\p{Punct}]", "-").replace(" ", "-").replaceAll("[-]+", "-")+".pdf";
            String userAgent = request.getHeader("user-agent").toLowerCase();
            if (userAgent.contains("msie") || userAgent.contains("like gecko")) {
                fileName = URLEncoder.encode(fileName, "UTF-8");
            } else {
                fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
            }
            response.setCharacterEncoding("utf-8");
            response.setContentType("application/msword");
            response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
            bos = new BufferedOutputStream(response.getOutputStream());
            int bytesRead = 0;
            while ((bytesRead = inputStream.read(buffer)) != -1) {
                bos.write(buffer, 0, bytesRead);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (bos != null) {
                try {
                    bos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    /*
     * 獲取html
     * wmy 10:39 2019/8/12
     * @Param [title]
     * @return java.lang.String
     **/
    public static String getHtml(String title){
        return "<h1 align=\"center\">"+title+"</h1>";
    }

}

測試結果：