【文件】java生成PDF文件

时间：2023-01-13 19:37:35
package test;

import java.awt.Color;

import java.io.FileOutputStream;

import org.junit.Test;

import com.lowagie.text.Chapter;

import com.lowagie.text.Document;

import com.lowagie.text.Font;

import com.lowagie.text.FontFactory;

import com.lowagie.text.PageSize;

import com.lowagie.text.Paragraph;

import com.lowagie.text.Section;

import com.lowagie.text.pdf.PdfWriter;

public class PDFTest {

    @Test

    public  void writeSimplePdf() throws Exception{ 

        //1.新建document对象

        //第一个参数是页面大小。接下来的参数分别是左、右、上和下页边距。

        Document document = new Document(PageSize.A4, 50, 50, 50, 50);

        //2.建立一个书写器(Writer)与document对象关联，通过书写器(Writer)可以将文档 写入到磁盘中。

        //创建PdfWriter 对象第一个参数是对文档对象的引用，第二个参数是文件的实际名称，在该名称中还会给出其输出路径。

        PdfWriter writer = PdfWriter.getInstance(document,new FileOutputStream("D:\\TMP\\ITextTest.pdf"));

        //3.打开文档

        document.open();

        //4.向文档中添加内容

        //通过com.lowagie.text.Paragraph 来添加文本。可以用文本及其默认的字体、颜色、大小等等设置来创建一个默认段落

        document.add(new Paragraph("First page of the document."));

        document.add(new Paragraph("Some more text on the first page with different color and font type.",

                FontFactory.getFont(FontFactory.COURIER, 14, Font.BOLD, new Color(255, 150, 200))));

        //5.关闭文档

        document.close();

    }

    /**

     * 添加含有章节的pdf文件

     * @throws Exception

     */

    @Test

    public  void writeCharpter() throws Exception{

        //新建document对象  第一个参数是页面大小。接下来的参数分别是左、右、上和下页边距。

        Document document = new Document(PageSize.A4, 20, 20, 20, 20);

        //建立一个书写器(Writer)与document对象关联，通过书写器(Writer)可以将文档写入到磁盘中。

        PdfWriter writer = PdfWriter.getInstance(document,new FileOutputStream("D:\\TMP\\ITextTest.pdf"));

        //标题

        document.addTitle("Hello mingri example");

        //作者

        document.addAuthor("wolf");

        //主题

        document.addSubject("This example explains how to add metadata.");

        document.addKeywords("iText, Hello mingri");

        document.addCreator("My program using iText");

//        document.newPage();

        //打开文件

        document.open();

        //向文档中添加内容

        document.add(new Paragraph("\n"));

        document.add(new Paragraph("\n"));

        document.add(new Paragraph("\n"));

        document.add(new Paragraph("\n"));

        document.add(new Paragraph("\n"));

        document.add(new Paragraph("First page of the document."));

        document.add(new Paragraph("First page of the document."));

        document.add(new Paragraph("First page of the document."));

        document.add(new Paragraph("First page of the document."));

        document.add(new Paragraph("Some more text on the first page with different color and font type.",

                        FontFactory.getFont(FontFactory.defaultEncoding, 10,Font.BOLD, new Color(0, 0, 0))));

        Paragraph title1 = new Paragraph("Chapter 1",

                        FontFactory.getFont(FontFactory.HELVETICA, 18, Font.BOLDITALIC, new Color(0, 0,255)));

        //新建章节

        Chapter chapter1 = new Chapter(title1, 1);

        chapter1.setNumberDepth(0);

        Paragraph title11 = new Paragraph("This is Section 1 in Chapter 1",

                FontFactory.getFont(FontFactory.HELVETICA, 16, Font.BOLD,new Color(255, 0, 0)));

        Section section1 = chapter1.addSection(title11);

        Paragraph someSectionText = new Paragraph("This text comes as part of section 1 of chapter 1.");

        section1.add(someSectionText);

        someSectionText = new Paragraph("Following is a 3 X 2 table.");

        section1.add(someSectionText);

        document.add(chapter1);

        //关闭文档

        document.close();

    }

}

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