import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.tool.xml.XMLWorkerHelper;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import java.io.*;
import java.nio.charset.Charset;

/***
 * html
 * 转pdf文档
 */

public class jsopu {
    private static final String HTML_PATH = "D:\\sdf.html";
    private static final String PDF_PATH = "d:\\2222222.pdf";
    public static void main(String[] args) throws IOException, DocumentException {


        File f = new File(HTML_PATH);
        //转换html以jsoup格式
        org.jsoup.nodes.Document jsdocument = Jsoup.parse(f, "UTF-8");
        String html = jsdocument.html();
        //个人业务代码开始----------------------------str
        //本段落的作用是获取html里面所有标签为table的内容。
        //循环当thead 内容为空时 移除该table标签
        Elements elements =  jsdocument.getElementsByTag("table");
        for (Element d:elements){
            Element d1 =  d.getElementById("romveiss");
            if(d!=d1){
                if (d.getElementsByTag("thead").text().isEmpty()){
                    d.remove();
                }
            }

        }
        //个人业务代码end------------------------------
        System.out.println(jsdocument.html());
        File file1 = new File(HTML_PATH);
        FileOutputStream fos = new FileOutputStream(file1);
        BufferedWriter bw = null;
        bw = new BufferedWriter(new OutputStreamWriter(fos,"UTF-8"));
        bw.write(jsdocument.html());
        bw.close();
        fos.close();

        Document document = new Document(PageSize.A4, 20, 20, 20, 20);//左右上下的margin
        document.setMargins(20, 20, 20, 20);
        PdfWriter pdfwriter;
        pdfwriter = PdfWriter.getInstance(document, new FileOutputStream(PDF_PATH));
        document.open();
        XMLWorkerHelper wh = XMLWorkerHelper.getInstance();
        wh.parseXHtml(pdfwriter, document, new FileInputStream(HTML_PATH), Charset.forName("UTF-8"), new DefineFontProvider());
        document.close();
        System.out.println("succeed");
    }


}