[JAVA100例]039、生成PDF文件

2019-11-18 15:58:29

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import com.lowagie.text.*;
import com.lowagie.text.pdf.*;
import java.io.*;
import java.util.*;
import java.awt.Color;

/**
* Title: 生成PDF文件
* Description: 本實例通過使用iText包生成一個表格的PDF文件
* Copyright: Copyright (c) 2003
* Filename: myPDF.java
* @version 1.0
*/
public class myPDF{
/**
* 方法說明：寫PDF文件
* 輸入參數：
* 返回類型：
*/
public void write(){
 try{
 Document document=new Document(PageSize.A4, 50, 50, 100, 50);
 Rectangle pageRect=document.getPageSize();
 PdfWriter.getInstance(document, new FileOutputStream("tables.pdf"));
 //創建漢字字體
 BaseFont bfsong = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", false);
 Font fontSong = new Font(bfSong, 10, Font.NORMAL);
 // 增加一個水印
 try {
 Watermark watermark = new Watermark(Image.getInstance("test.jpg"), pageRect.left()+50,pageRect.top()-85);
 watermark.scalePercent(50);
 document.add(watermark);
 }catch(Exception e) {
 System.err. }

 // 為頁增加頁頭信息
 HeaderFooter header = new HeaderFooter(new Phrase("Java實例一百例",fontSong), false);
 header.setBorder(2);
 header.setAlignment(Element.ALIGN_RIGHT);
 document.setHeader(header);

 // 為頁增加頁腳信息
 HeaderFooter footer = new HeaderFooter(new Phrase("第 ",fontSong),new Phrase(" 頁",fontSong));
 footer.setAlignment(Element.ALIGN_CENTER);
 footer.setBorder(1);
 document.setFooter(footer);

      // 打開文檔
     document.open();
     //構造表格
     Table table = new Table(4);
     table.setDefaultVerticalAlignment(Element.ALIGN_MIDDLE);
     table.setBorder(Rectangle.NO_BORDER);
     int hws[] = {10, 20, 10, 20,};
     table.setWidths(hws);
     table.setWidth(100);
     //表頭信息
     Cell cellmain = new Cell(new Phrase("用戶信息",new Font(bfSong, 10, Font.BOLD,new Color(0,0,255))));
     cellmain.setHorizontalAlignment(Element.ALIGN_CENTER);
     cellmain.setColspan(4);
     cellmain.setBorder(Rectangle.NO_BORDER);
     cellmain.setBackgroundColor(new Color(0xC0, 0xC0, 0xC0));
     table.addCell(cellmain);
      //分表頭信息
     Cell cellleft= new Cell(new Phrase("收貨人信息",new Font(bfSong, 10, Font.ITALIC,new Color(0,0,255))));
     cellleft.setColspan(2);
     cellleft.setHorizontalAlignment(Element.ALIGN_CENTER);
     table.addCell(cellleft);
     Cell cellright= new Cell(new Phrase("訂貨人信息",new Font(bfSong, 10, Font.ITALIC,new Color(0,0,255))));
     cellright.setColspan(2);
     cellright.setHorizontalAlignment(Element.ALIGN_CENTER);
     table.addCell(cellright);

     //收貨和訂貨人信息，表體內容
     table.addCell(new Phrase("姓名",fontSong));
     table.addCell(new Phrase("張三",fontSong));
     table.addCell(new Phrase("姓名",fontSong));
     table.addCell(new Phrase("李四",fontSong));