package com.me.test;
import java.awt.*;
import java.io.*;
import com.lowagie.text.*;
import com.lowagie.text.Font;
import com.lowagie.text.Image;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
/**
* First iText example: Hello World.
*/
public class HelloWorld {
/** Path to the resulting PDF file. */
public static final String RESULT = "c:/hello.pdf";
public static final String pwd = "123456";
public static final String result = "c:/Itext/b.gif";
/**
*
* Creates a PDF file: hello.pdf
*
*
*
* @param args
*
* no arguments needed
*/
public static void main(String[] args) throws DocumentException,
IOException {
new HelloWorld().createPdf(RESULT);
}
/**
*
* Creates a PDF document.
*
*
*
* @param filename
*
* the path to the new PDF document
*
* @throws DocumentException
*
* @throws IOException
*/
public void createPdf(String filename) throws DocumentException,
IOException {
// 設定文本樣式
Rectangle rec = new Rectangle(PageSize.A4);
rec.setBackgroundColor(Color.GRAY);
rec.setBorder(Rectangle.TOP);
rec.setBorderColor(Color.black);
rec.setBorderWidth(50);
// 創建本文
Document doc = new Document(rec, 100, 201, 20, 20);
// 設定路徑
PdfWriter pdf = PdfWriter.getInstance(doc, new FileOutputStream(HelloWorld.RESULT));
// 設定佈局
pdf.setViewerPreferences(PdfWriter.PageModeUseThumbs| PdfWriter.PageLayoutTwoColumnLeft | PdfWriter.HideMenubar);
// 加密
pdf.setEncryption(pwd.getBytes(), pwd.getBytes(), PdfWriter.ALLOW_COPY| PdfWriter.ALLOW_PRINTING, PdfWriter.STANDARD_ENCRYPTION_40);
// 設置中文
BaseFont base = null;
Font fontChinese = null;
try {
base = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H",BaseFont.EMBEDDED);
fontChinese = new Font(base, 18, Font.BOLD);
} catch (DocumentException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
doc.open();
doc.add(new Paragraph("我是Pro", fontChinese));
doc.close();
}
}package com.me.test;
import java.awt.*;
import java.io.*;
import com.lowagie.text.*;
import com.lowagie.text.Font;
import com.lowagie.text.Image;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.*;
public class PdfConvertor {
// txt原始文件的路徑
private static final String txtFilePath = "c:/Itext/test.txt";
// 生成的pdf文件路徑
private static final String pdfFilePath = "c:/Itext/test.pdf";
// 添加水印圖片路徑
private static final String imageFilePath = "c:/Itext/b.gif";
// 生成臨時文件前綴
private static final String prefix = "tempFile";
// 所有者密碼
private static final String OWNERPASSWORD = "12345678";
/**
*
* txt文件轉換爲pdf文件
*
*
*
* @param txtFile
*
* txt文件路徑
*
* @param pdfFile
*
* pdf文件路徑
*
* @param userPassWord
*
* 用戶密碼
*
* @param waterMarkName
*
* 水印內容
*
* @param permission
*
* 操作權限
*/
public static void generatePDFWithTxt(String txtFile, String pdfFile,
String userPassWord, String waterMarkName, int permission) {
try {
// 生成臨時文件
File file = File.createTempFile(prefix, ".pdf");
// 創建pdf文件到臨時文件
if (createPDFFile(txtFile, file)) {
// 增加水印和加密
waterMark(file.getPath(), pdfFile, userPassWord, OWNERPASSWORD,
waterMarkName, permission);
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
*
* 創建PDF文檔
*
*
*
* @param txtFilePath
*
* txt文件路徑（源文件）
*
* @param pdfFilePath
*
* pdf文件路徑(新文件)
*/
private static boolean createPDFFile(String txtFilePath, File file) {
// 設置紙張
Rectangle rect = new Rectangle(PageSize.A4);
// 設置頁碼
HeaderFooter footer = new HeaderFooter(new Phrase("頁碼:",
setChineseFont()), true);
footer.setBorder(Rectangle.NO_BORDER);
// step1
Document doc = new Document(rect, 50, 50, 50, 50);
doc.setFooter(footer);
try {
FileReader fileRead = new FileReader(txtFilePath);
BufferedReader read = new BufferedReader(fileRead);
// 設置pdf文件生成路徑 step2
PdfWriter.getInstance(doc, new FileOutputStream(file));
// 打開pdf文件 step3
doc.open();
// 實例化Paragraph 獲取寫入pdf文件的內容，調用支持中文的方法. step4
while (read.ready()) {
// 添加內容到pdf(這裏將會按照txt文件的原始樣式輸出)
doc.add(new Paragraph(read.readLine(), PdfConvertor.setChineseFont()));
}
// 關閉pdf文件 step5
doc.close();
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
*
* 在pdf文件中添加水印
*
*
*
* @param inputFile
*
* 原始文件
*
* @param outputFile
*
* 水印輸出文件
*
* @param waterMarkName
*
* 水印名字
*/
private static void waterMark(String inputFile, String outputFile,
String userPassWord, String ownerPassWord, String waterMarkName,
int permission) {
try {
PdfReader reader = new PdfReader(inputFile);
PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(
outputFile));
// 設置密碼
stamper.setEncryption(userPassWord.getBytes(), ownerPassWord.getBytes(), permission, false);
BaseFont base = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H",BaseFont.NOT_EMBEDDED);
PdfContentByte under;
int total = reader.getNumberOfPages() + 1;
Image image = Image.getInstance(imageFilePath);
image.setAbsolutePosition(200, 400);
int j = waterMarkName.length();
char c = 0;
int rise = 0;
for (int i = 1; i < total; i++) {
rise = 500;
under = stamper.getUnderContent(i);
// 添加圖片
under.addImage(image);
under.beginText();
under.setColorFill(Color.CYAN);
under.setFontAndSize(base, 30);
// 設置水印文字字體傾斜 開始
if (j >= 15) {
under.setTextMatrix(200, 120);
for (int k = 0; k < j; k++) {
under.setTextRise(rise);
c = waterMarkName.charAt(k);
under.showText(c + "");
rise -= 20;
}
} else {
under.setTextMatrix(180, 100);
for (int k = 0; k < j; k++) {
under.setTextRise(rise);
c = waterMarkName.charAt(k);
under.showText(c + "");
rise -= 18;
}
}
// 字體設置結束
under.endText();
// 畫一個圓
// under.ellipse(250, 450, 350, 550);
// under.setLineWidth(1f);
// under.stroke();
}
stamper.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
*
* 設置中文
*
*
*
* @return Font
*/
private static Font setChineseFont() {
BaseFont base = null;
Font fontChinese = null;
try {
base = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H",
BaseFont.EMBEDDED);
fontChinese = new Font(base, 12, Font.NORMAL);
} catch (DocumentException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return fontChinese;
}
public static void main(String[] args) {
generatePDFWithTxt(txtFilePath, pdfFilePath, OWNERPASSWORD, "allone",16);
}
}import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
/**
* iText學習筆記:HelloWorld
*
* @author 老紫竹(laozizhu.com)
*/
public class HelloWorld {
public static void main(String[] args) throws Exception, DocumentException {
// 新建一個文檔，默認是A4紙的大小，4個邊框爲36
Document document = new Document();
// 將文檔輸出，我們寫到文件裏面
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("HelloWorld.pdf"));
writer.setEncryption("Hello".getBytes(), "World".getBytes(), PdfWriter.ALLOW_COPY
| PdfWriter.ALLOW_PRINTING, PdfWriter.STANDARD_ENCRYPTION_128);
document.addTitle("Hello World example");
document.addAuthor("老紫竹");
document.addSubject("This example explains how to add metadata.");
document.addKeywords("iText, Hello World, step 3, metadata");
document.addCreator("My program using iText");
// 打開文檔
document.open();
// 寫入數據
document.add(new Paragraph("Hello World"));
BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
Font FontChinese = new Font(bfChinese, 12, Font.NORMAL);
document.add(new Paragraph("老紫竹祝大家新年好!", FontChinese));
// 關閉文檔
document.close();
}
}轉自：http://www.xuebuyuan.com/1966318.html