java: create pdf using itextpdf 2.1.7 Library

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/**
 * 版权所有 2022 涂聚文有限公司
 * 许可信息查看：
 * 描述：
 * IDE:IntelliJ IDEA 2021.2.3
 * 数据库：MSSQL Server 2019
 * OS:windows 10 x64
 * 历史版本： JDK 14.02
 * 2022-1-12 创建者 geovindu
 * 2022-1-15 添加 Lambda
 * 2022-1-15 修改：date
 * 接口类 mssql-jdbc-9.4.1.jre16.jar.
 *
 * 2022-1-15 修改者：Geovin Du
 * 生成API帮助文档的指令：
 *javadoc - -encoding Utf-8 -d apidoc iTextHelper.java
 https://mvnrepository.com/artifact/com.itextpdf
 https://mvnrepository.com/artifact/com.lowagie/itext/2.1.7
 https://mvnrepository.com/artifact/com.lowagie/itext/4.2.1

 https://sourceforge.net/projects/itext/
 https://github.com/itext

 java write stringbuilder to file
 http://guava-libraries.googlecode.com/
 https://github.com/google/guava
 Files.write(stringBuilder, file, Charsets.UTF_8)

 http://commons.apache.org/io/
 You could use the Apache Commons IO library, which gives you FileUtils:

 FileUtils.writeStringToFile(file, stringBuilder.toString(), Charset.forName("UTF-8"))


 https://github.com/weiyeh/iText-4.2.0
 https://github.com/ymasory/iText-4.2.0
 https://mvnrepository.com/artifact/com.itextpdf/html2pdf
 http://www.java2s.com/Code/Jar/i/Downloaditextpdf541jar.htm
 http://www.java2s.com/Code/Jar/i/Downloaditextrtf215jar.htm
 https://mvnrepository.com/artifact/com.lowagie/itext-rtf/2.1.7
 http://www.java2s.com/Code/Jar/i/Downloaditextasian217jar.htm

 https://mvnrepository.com/artifact/com.itextpdf/itext-asian/5.2.0
 https://mvnrepository.com/artifact/com.itextpdf
 https://mvnrepository.com/artifact/com.itextpdf.tool
 http://www.java2s.com/Code/Jar/i/itext.htm
 
 * */


package Geovin.Common;

import java.awt.Color;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/*
5.4.1
import com.itextpdf.io.*;
import com.itextpdf.pdfa.*;
import com.itextpdf.test.*;
import com.itextpdf.commons.*;
import com.itextpdf.pdfa.PdfADocument;
import com.itextpdf.barcodes.*;
import com.itextpdf.svg.*;
import com.itextpdf.forms.*;
import com.itextpdf.kernel.*;
import com.itextpdf.layout.*;
import com.itextpdf.layout.font.*;
import com.itextpdf.styledxmlparser.*;
import com.itextpdf.signatures.*;
import com.itextpdf.text.*;

import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.Image;

import com.itextpdf.text.Phrase;
import com.itextpdf.text.Header;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.ColumnText;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.TextField;
import com.itextpdf.text.*;
*/


import Geovin.Model.Person;
import com.lowagie.text.BadElementException;
import com.lowagie.text.Cell;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
import com.lowagie.text.Table;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.tools.*;
import com.lowagie.text.pdf.fonts.*;

/**
 *itext-rtf 2.1.7
 * itextasian 2.1.7
 *itextpdf 2.1.7
 * @author geovindu
 * @version 1.0
 * */

public class iTextHelper {



    /**
     *
     *
     *
     * */
    public  void Create() throws DocumentException, IOException
    {
        // 创建Document对象(页面的大小为A4,左、右、上、下的页边距为10)
        Document document = new Document(PageSize.A4, 10, 10, 10, 10);
        // 建立书写器
        PdfWriter.getInstance(document, new FileOutputStream("src/geovindu.PDF"));
        // 设置相关的参数
        setParameters(document, "开发者测试", "涂聚文测试", "测试 开发者 调试", "geovindu", "geovindu");
        // 打开文档
        document.open();
        // 使用iTextAsian.jar中的字体
        BaseFont baseFont = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
        Font font = new Font(baseFont);

        List<Person> personList = new ArrayList<Person>();
        // 循环添加对象
        for (int i = 0; i < 5; i++) {
            Person user = new Person();
            user.setLastName("geovindu:"+i);
            user.setFirstName("开发者测试"+i);
            user.setSex("测试"+i);
            personList.add(user);
        }

        Table table = setTable(personList);
        document.add(new Paragraph("用户信息如下：",setFont()));
        document.add(table);

        // 关闭文档
        document.close();
    }


     /**
      *
      *
      * */
     public Table setTable(List<Person> personList) throws BadElementException{
        //创建一个有3列的表格
        Table table = new Table(3);
        table.setBorderWidth(1);
        table.setBorderColor(new Color(0, 0, 255));
        table.setPadding(5);
        table.setSpacing(5);
        // 创建表头
        Cell cell1 = setTableHeader("姓");
        Cell cell2 = setTableHeader("名");
        Cell cell3 = setTableHeader("性别");
        table.addCell(cell1);
        table.addCell(cell2);
        table.addCell(cell3);
        // 添加此代码后每页都会显示表头
        table.endHeaders();


        for (int i = 0; i < personList.size(); i++) {
            Cell celli1 = setTableHeader(personList.get(i).getLastName());
            Cell celli2 = setTableHeader(personList.get(i).getFirstName());
            Cell celli3 = setTableHeader(personList.get(i).getSex());
            table.addCell(celli1);
            table.addCell(celli2);
            table.addCell(celli3);
        }

        return table;

    }

    /**
     * itextasian 2.1.7
     *
     * */
    public  Font setFont(){
        BaseFont baseFont = null;
        try {
            baseFont = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        Font font = new Font(baseFont, 8, Font.NORMAL,Color.BLUE);
        return font;
    }
    /**
     * 设置cell
     * @param name
     * @return
     * @throws BadElementException
     */
    public  Cell setTableHeader(String name) throws BadElementException {

        Cell cell = new Cell(new Phrase(name, setFont()));
        //单元格水平对齐方式
        cell.setHorizontalAlignment(Element.ALIGN_CENTER);
        //单元格垂直对齐方式
        cell.setVerticalAlignment(Element.ALIGN_CENTER);
       //        cell.setHeader(true);
        //cell.setBackgroundColor(Color.RED);
        return cell;

    }
    /**
     * 设置相关参数
     * @param document
     * @return
     */
    public  Document setParameters(Document document,String title,String subject,String keywords,String author,
                                         String creator){
        // 设置标题
        document.addTitle(title);
        // 设置主题
        document.addSubject(subject);
        // 设置作者
        document.addKeywords(keywords);
        // 设置作者
        document.addAuthor(author);
        // 设置创建者
        document.addCreator(creator);
        // 设置生产者
        document.addProducer();
        // 设置创建日期
        document.addCreationDate();

        return document;
    }




}

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