javaweb操作PDF的總結

本文是總結javaweb操作PDF的各個語句。

源碼及說明如下：

package web;
import com.itextpdf.text.Document;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.Image;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;
import java.awt.Color;
import java.io.*;
import org.pdfbox.pdfparser.PDFParser;
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.util.PDFTextStripper;
public class goods
{
public static void main(String agre[])throws Exception
{

/*******************************************在pdf中插入表格*************************************/
// BaseFont ch = BaseFont.createFont("STSong-Light","UniGB-UCS2-H",BaseFont.NOT_EMBEDDED);
//Font font = new Font(ch,12,Font.BOLD);
/*String Tab[] = {"","1","2","3","4","5"};
String cont[][] = {{"A1","A2","A3","A4","A5","A6"},{"B1","B2","B3","B4","B5","B6"},
{"C1","C2","C3","C4","C5","C6"},{"D1","D2","D3","D4","D5","D6"}};
Document document = new Document(PageSize.A4);  //創建document對象
PdfWriter.getInstance(document, new FileOutputStream("D://first.pdf"));  //創建書寫器
document.open();   //打開文檔
String content = "This is pdf file";  //文檔內容
Paragraph p = new Paragraph(content);  //創建段落
p.setAlignment(Paragraph.ALIGN_CENTER); //居中對齊
document.add(p); 
PdfPTable table = new PdfPTable(6);  //建立一個6列的空白表格對象
table.setSpacingBefore(30f);  //設置表格上面的空白寬度
for(int i=0;i<Tab.length;i++)
{
p = new Paragraph(Tab[i]);
PdfPCell cell = new PdfPCell(p);   //建立一個單元格
cell.setHorizontalAlignment(Element.ALIGN_CENTER);   //設置水平居中
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);   //設置垂直居中
table.addCell(cell);
}
for(int i=0;i<cont.length;i++)
{
for(int j=0;j<cont[i].length;j++)
{
PdfPCell cell = new PdfPCell(new Paragraph(cont[i][j]));
cell.setHorizontalAlignment(Element.ALIGN_CENTER);
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
table.addCell(cell);
}
}
document.add(table);
document.close();*/
/*******************************************在pdf中插入圖像*************************************/
/*Document document = new Document();
Image image = Image.getInstance("D://11.jpg");
image.scalePercent(40);
image.setRotation(180);
image.setAlignment(Image.ALIGN_CENTER);
PdfWriter.getInstance(document, new FileOutputStream("D://first.pdf"));
document.open();
document.add(image);
document.close();*/

/*******************************************應用PDFBox組件解析PDF文檔*************************************/
try
{
File f = new File("D://first.pdf");
FileInputStream in = new FileInputStream(f);
PDFParser parser = new PDFParser(in);
parser.parse();
PDDocument document = parser.getPDDocument();
PDFTextStripper str = new PDFTextStripper();
String ss = str.getText(document);
System.out.println(ss);
in.close();
System.out.println("success");
}catch(Exception e){}
}
}