1、引入maven

     <dependency>
<groupId>com.lowagie</groupId>
<artifactId>itext</artifactId>
<version>2.1.7</version>
</dependency>
<dependency>
<groupId>com.lowagie</groupId>
<artifactId>itext-rtf</artifactId>
<version>2.1.7</version>
</dependency>

2、大致流程

//创建一条文本对象(A4纸张)
Document document = new Document(PageSize.A4); //创建一个DOC文档(根据指定的路径)
RtfWriter2.getInstance(document, new FileOutputStream(file_url)); //打开文本对象
document.open(); //添加一个简单的段落
document.add(new Paragraph("Hello World!")); //结束编写
document.close();

3、字体

//设置基础字体 -- 宋体
BaseFont bfChinese = BaseFont.createFont("C:/Windows/Fonts/simfang.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); //设置字体 (含有大小、颜色……)
Font titleFont = new Font(bfChinese, 14.0F, 1); //字体:宋体 大小:14.0F 加粗
Font contextFont = new Font(bfChinese, 14.0F, 0); //字体:宋体 大小:14.0F 不加粗
Font contextFont_red = new Font(bfChinese, 14.0F, 0, Color.red); //字体:宋体 大小:14.0F 不加粗 字体颜色:红色
Font contextFont_black = new Font(bfChinese, 14.0F, 0, Color.black);//字体:宋体 大小:14.0F 不加粗 字体颜色:黑色
Font headerFooterFont = new Font(bfChinese, 9.0F, 0);//字体:宋体 大小:9.0F 不加粗

4、设置头 和 页码数

全局变量

private static String TECH_INFO = "这里是顶部";  //头部标语
private static String FOOT_INFO = "这里是底部"; //底部标语

头部

Table header = new Table(2);
header.setBorder(0);
header.setWidth(100.0F); Paragraph address = new Paragraph(TECH_INFO);
address.setFont(headerFooterFont);
Cell cell01 = new Cell(address);
cell01.setBorder(0);
header.addCell(cell01); Paragraph date = new Paragraph("生成日期: " +
new SimpleDateFormat("yyyy-MM-dd").format(new Date()));
date.setAlignment(2);
date.setFont(headerFooterFont);
cell01 = new Cell(date);
cell01.setBorder(0);
header.addCell(cell01);
document.setHeader(new RtfHeaderFooter(header));

底部(页码数)

Table footer = new Table(2);
footer.setBorder(0);
footer.setWidth(100.0F); Paragraph company = new Paragraph(FOOT_INFO);
company.setFont(headerFooterFont);
Cell cell02 = new Cell(company);
cell02.setBorder(0);
footer.addCell(cell02); Paragraph pageNumber = new Paragraph("第 ");
pageNumber.add(new RtfPageNumber());
pageNumber.add(new Chunk(" 页"));
pageNumber.setAlignment(2);
pageNumber.setFont(headerFooterFont);
cell02 = new Cell(pageNumber);
cell02.setBorder(0);
footer.addCell(cell02); document.setFooter(new RtfHeaderFooter(footer));

5、表格

Table table1 = new Table(4);//创建表格

int width[] = {18,32,18,32};//设置每列宽度比例

table1.setWidths(width);//设置每列宽度比例

table1.setWidth(95);//占页面宽度比例

//第一行 第一个
Cell cell11 = new Cell(new Paragraph("11",contextFont));
cell11.setVerticalAlignment(Element.ALIGN_TOP); //垂直 居上
cell11.setHorizontalAlignment(Element.ALIGN_RIGHT); //水平 居右
cell11.setBorder(0); //第一行 第二个
Cell cell12 = new Cell("12");
cell12.setVerticalAlignment(Element.ALIGN_BOTTOM); //垂直 居下
cell12.setHorizontalAlignment(Element.ALIGN_LEFT); //水平 居左
cell12.setBorder(0); //第一行 第三个
Cell cell13 = new Cell(new Paragraph("13",contextFont));
cell13.setVerticalAlignment(Element.ALIGN_MIDDLE); //垂直 居中
cell13.setHorizontalAlignment(Element.ALIGN_RIGHT); //水平 居右
cell13.setBorder(0); //第一行 第四个
Cell cell14 = new Cell(new Paragraph("14",contextFont));
cell14.setVerticalAlignment(Element.ALIGN_MIDDLE); //垂直 居中
cell14.setHorizontalAlignment(Element.ALIGN_LEFT); //水平 居左
cell14.setBorder(0); table1.addCell(cell11);
table1.addCell(cell12);
table1.addCell(cell13);
table1.addCell(cell14); document.add(table1);

6、插入图片

//图片路径
String URL = "http://www.baidu.com/img/bd_logo1.png";
//创建图片
Image img = null;
try {
img = Image.getInstance(URL);
img.scalePercent(10);
} catch (BadElementException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
//内容
Paragraph context = new Paragraph();
context.setAlignment(1);
context.setFont(contextFont);
if(img == null){
context.add("没有图片");
}else{
context.add(img);
}
document.add(context);
05-11 22:59