html 字符串生成 pdf 完美解决中文不显示

最新推荐文章于 2024-05-14 15:49:16 发布

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最新推荐文章于 2024-05-14 15:49:16 发布

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原文链接：http://www.cnblogs.com/yysbolg/p/8806216.html

本文介绍了一个使用iText库将HTML转换为PDF的实用方法。通过Java代码生成包含表格的PDF文档，适用于报告生成等场景。

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//maven

<dependency>
  <groupId>com.itextpdf</groupId>
  <artifactId>itextpdf</artifactId>
  <version>5.4.2</version>
</dependency>
<dependency>
  <groupId>com.itextpdf.tool</groupId>
  <artifactId>xmlworker</artifactId>
  <version>5.4.1</version>
</dependency>
<dependency>
  <groupId>com.itextpdf</groupId>
  <artifactId>itext-asian</artifactId>
  <version>5.2.0</version>
</dependency>

//java

package com.leoodata.utils;

import com.itextpdf.text.Document;
import com.itextpdf.text.Font;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.tool.xml.XMLWorkerHelper;
import com.leoodata.entity.Report;
import org.jsoup.Jsoup;
import java.io.*;
import java.nio.charset.Charset;
import static java.awt.SystemColor.info;

/**
 * User: 杨永生
 * Date: 15:45 2018/4/10
 * Email: kevin@hiibook.com
 */

public class PDFReport {
public static void htmlToPDF(Report report,String fileNameAndURL) {
        try {
            //创建html
            String reportData = "    <tr style='border-bottom:  1px solid black;'>\n" +
                    "        <td>"+report.getName()+"</td>\n" +
                    "        <td>"+report.getPhone()+"</td>\n" +
                    "        <td>"+report.getIdentificationNuber()+"</td>\n" +
                    "    </tr>\n" ;

            String body = "<h1 style='text-align: center'>报告</h1>\n" +
                    "<div style='width:100%;margin:0 auto;'>\n" +
                    "<table border='1px'  style='border: 1px solid black;width:100%;text-align: center;border-collapse:collapse;'>\n" +
                    "    <thead>\n" +
                    "    <tr style='border: 1px solid black;'>\n" +
                    "        <th>姓名</th>\n" +
                    "        <th>电话</th>\n" +
                    "        <th>身份证号</th>\n" +
                    "    </tr>\n" +
                    "    </thead>\n" +
                    "    <tbody>\n" +
//                    reportData+
                    "    </tbody>\n" +
                    "</table>\n" +
                    "</div>";

            StringBuilder html = new StringBuilder();
            html.append("<html>");
            html.append("<body style='font-size:20px;font-family:SimSun;'>");
            html.append(body);
            html.append("</body>");
            html.append("</html>");

            InputStream is = new ByteArrayInputStream(html.toString().getBytes("utf-8"));

            File files=new File(fileNameAndURL);
            //打印查看上传路径
            System.out.println(fileNameAndURL);
            if(!files.getParentFile().exists()){
                files.getParentFile().mkdirs();
            }

            OutputStream os = new FileOutputStream(fileNameAndURL);
            Document document = new Document();
            PdfWriter writer = PdfWriter.getInstance(document, os);
            document.open();
            // 将html转pdf
            XMLWorkerHelper.getInstance().parseXHtml(writer, document, is, Charset.forName("UTF-8"));
            document.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static void main(String[] args) {
        Report report=new Report();
    String url= "E:/HiibookIntellijProject/svn2/leoodata/target/leoodata/static/upload/report/余*157**446732018_04_11_17_37_21_891.pdf";
        htmlToPDF(report,url);
    }
}