Java 编辑html模板并生成pdf

  1.工具类

  import com.hujiang.project.zhgd.Util;

  import com.itextpdf.text.BaseColor;

  import com.itextpdf.text.Document;

  import com.itextpdf.text.Font;

  import com.itextpdf.text.pdf.BaseFont;

  import com.itextpdf.text.pdf.PdfWriter;

  import com.itextpdf.tool.xml.XMLWorkerFontProvider;

  import com.itextpdf.tool.xml.XMLWorkerHelper;

  import freemarker.template.Configuration;

  import freemarker.template.DefaultObjectWrapper;

  import freemarker.template.Template;

  import org.junit.jupiter.api.Test;

  import java.io.*;

  import java.net.URLEncoder;

  import java.nio.charset.Charset;

  import java.util.HashMap;

  import java.util.Map;

  /**

  * @program: Consumer01

  * @description:

  * @author: Mr.LiuYong

  * @create: 2019-06-05 14:40

  **/

  public class PDFUtil {

  private String tempFilePath;

  private String tempFileName;

  public PDFUtil() {}

  public PDFUtil(String tempFilePath, String tempFileName) {

  this.tempFilePath=tempFilePath;

  this.tempFileName=tempFileName;

  }

  public String getTempFilePath() {

  return tempFilePath;

  }

  public void setTempFilePath(String tempFilePath) {

  this.tempFilePath = tempFilePath;

  }

  public String getTempFileName() {

  return tempFileName;

  }

  public void setTempFileName(String tempFileName) {

  this.tempFileName = tempFileName;

  }

  public static void main(String[] args) {

  String name = "jc.html";

  PDFUtil pdfUtil = new PDFUtil("E:\workspace\ZHGD\user-consumer-01\target\classes\static\upload",name);

  Map paraMap = new HashMap();

  paraMap.put("constructionName","123");

  paraMap.put("empName","123");

  paraMap.put("idCode","123");

  paraMap.put("teamName","123");

  paraMap.put("projectName","123");

  try {

  String uploadfile = pdfUtil.fillTemplate(paraMap);

  System.out.println(uploadfile);

  } catch (Exception e) {

  e.printStackTrace();

  }

  }

  /*

  * 填充模板

  * @param paramMap

  * @throws Exception

  */

  public String fillTemplate(Map paramMap) throws Exception {

  File modelFile = new File(tempFilePath);

  if(!modelFile.exists()) {

  modelFile.mkdirs();

  }

  Configuration configuration = new Configuration(Configuration.VERSION_2_3_23);

  configuration.setDirectoryForTemplateLoading(modelFile);

  configuration.setObjectWrapper(new DefaultObjectWrapper(Configuration.VERSION_2_3_23));

  configuration.setDefaultEncoding("UTF-8"); //这个一定要设置,不然在生成的页面中 会乱码

  //获取或创建一个模版。

  Template template = configuration.getTemplate(tempFileName);

  StringWriter stringWriter = new StringWriter();

  BufferedWriter writer = new BufferedWriter(stringWriter);

  template.process(paramMap, writer); //把值写进模板

  String htmlStr = stringWriter.toString();

  writer.flush();

  writer.close();

  String tmpPath = tempFilePath + "/temp";

  File tmepFilePath = new File(tmpPath);

  if (!tmepFilePath.exists()) {

  tmepFilePath.mkdirs();

  }

  String tmpFileName =System.currentTimeMillis()+".pdf";

  String outputFile = tmpPath + File.separatorChar + tmpFileName;

  FileOutputStream outFile = new FileOutputStream(outputFile);

  createPDFFile(htmlStr, outFile);

  return outputFile;

  }

  /**

  * 根据HTML字符串创建PDF文件

  * @param htmlStr

  * @param os

  * @throws Exception

  */

  private void createPDFFile(String htmlStr, OutputStream os) throws Exception{

  ByteArrayInputStream bais = new ByteArrayInputStream(htmlStr.getBytes("UTF-8"));

  // step 1

  Document document = new Document();

  try {

  // step 2

  PdfWriter writer = PdfWriter.getInstance(document, os);

  // step 3

  document.open();

  FontProvider provider = new FontProvider();

  XMLWorkerHelper.getInstance().parseXHtml(writer, document, bais, Charset.forName("UTF-8"),provider);

  } catch (Exception e) {

  e.printStackTrace();

  throw e;

  }finally {

  try {

  document.close();

  } catch (Exception e) {

  e.printStackTrace();

  }

  try {

  bais.close();

  } catch (Exception e) {

  e.printStackTrace();

  }

  }

  }

  /**

  *

  * 字体

  *

  */

  private class FontProvider extends XMLWorkerFontProvider {

  public Font getFont(final String fontname, final String encoding,

  final boolean embedded, final float size, final int style,

  final BaseColor color) {

  BaseFont bf = null;

  try {

  bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);

  } catch (Exception e) {

  e.printStackTrace();

  }

  Font font = new Font(bf, size, style, color);

  font.setColor(color);

  return font;

  }

  }

  /**无锡人流多少钱 http://www.bhnfkyy.com/

  * 生成html模板

  * @param content

  * @return

  */

  public String createdHtmlTemplate(String content){

  String fileName = tempFilePath + "/" + tempFileName;

  try{

  File file = new File(tempFilePath);

  if(!file.isDirectory()) {

  file.mkdir();

  }

  file = new File(fileName);

  if(!file.isFile()) {

  file.createNewFile();

  }

  //打开文件

  PrintStream printStream = new PrintStream(new FileOutputStream(fileName));

  //将HTML文件内容写入文件中

  printStream.println(content);

  printStream.flush();

  printStream.close();

  System.out.println("生成html模板成功!");

  }catch(Exception e){

  e.printStackTrace();

  }

  return fileName;

  }

  }

  2.html

  工人进场承诺书

  本人__${empName}__(身份证号:__${idCode}__)

  是__${constructionName}__承建的__${projectName}

  __项目____${teamName}__班组的工人。本人郑重承诺并保证做到以下几点:

  一、知悉公司的各项规章制度、项目告示牌和权益维护牌上公示的各

  项内容,自愿配合公司落实“项目实名制”各项作。

  二、不隐瞒且如实提供个人的身份信息。

  三、公司用于发放工资的银行卡由本人使用和保管,本人定期与班组

  长核实确定工资款,不虚报出勤,不冒领工资,否则本人自愿

  承担相应法律责任。

  四、当自己合法权益受到侵害时(如劳资纠纷、工伤事故纠纷等),

  向公司(项目部)申诉或向总包单位请求协调解决,在处理无效的情况

  下,依法向有关部门举报投诉。自觉遵守法律法规,决不采取闹访、围

  攻围堵公共设施等非法过激行为,决不恶意或过激讨薪,通过合法途径

  理性反映诉求。如有无理或非法行为愿意承担一切法律责任。

  承诺人(签字并加按指印):

  ____年____月____日

原文地址:https://www.cnblogs.com/djw12333/p/11081272.html