java生成pdf文件

public static 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("C:\\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

*/

public static 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("c:\\ITextTest.pdf"));

//打开文件

document.open();

//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();

//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();

}