package com.example.demo.utils;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.ColumnText;
import com.itextpdf.text.pdf.PdfAnnotation;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfImportedPage;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfPageEventHelper;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfStamper;
import com.itextpdf.text.pdf.PdfTransition;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.draw.DottedLineSeparator;
import com.itextpdf.text.pdf.draw.LineSeparator;
import com.itextpdf.text.pdf.draw.VerticalPositionMark;
public class PDFUtils {
public static final String FILE_DIR = "E:\\home\\";
public static final String const_JPG_JAVA = FILE_DIR + "danren.jpg";
public static final String const_JPG_NGINX = FILE_DIR + "hongse.jpg";
private static final String const_NEZHA = "哪吒编程";
private static final String const_NEZHA_PROGRAM = "获取Java学习资料请关注公众号：哪吒编程";
private static final String const_BIBIDONG = "比比东";
private static final String const_YUNYUN = "云韵";
private static final String const_BAIDU = "百度一下 你就知道";
private static final String const_BAIDU_URL = "https://www.baidu.com";
private static final String const_PAGE_FIRST = "第一页";
private static final String const_PAGE_SECOND = "第二页";
private static final String const_PAGE_THIRD = "第三页";
private static final String const_PAGE_FOUR = "第四页";
private static final String const_PAGE_FIVE = "第五页";
private static final String const_TITLE_FIRST = "一级标题";
private static final String const_TITLE_SECOND = "二级标题";
private static final String const_CONTENT = "内容";
// 普通中文字体
public static Font static_FONT_CHINESE = null;
// 超链字体
public static Font static_FONT_LINK = null;
private static void pdfFontInit() throws IOException, DocumentException {
// 微软雅黑
BaseFont chinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
// 普通中文字体
static_FONT_CHINESE = new Font(chinese, 12, Font.NORMAL);// Font.BOLD为加粗
// 超链字体
static_FONT_LINK = new Font(chinese, 12, Font.NORMAL, BaseColor.BLUE);
}
public static Document document;
public void createPDFFile() throws Exception {
pdfFontInit();
//createPDF();// 生成一个 PDF 文件
///createPDFWithColor();// 设置PDF的页面大小和背景颜色
//createPDFWithPassWord();// 创建带密码的PDF
//createPDFWithNewPages();// 为PDF添加页
//createPDFWithWaterMark();// 为PDF文件添加水印，背景图
//createPDFWithContent();//插入块Chunk, 内容Phrase, 段落Paragraph, List
//createPDFWithExtraContent();//插入Anchor, Image, Chapter, Section
draw();//画图
createPDFWithAlignment();//设置段落
//createPDFToDeletePage();//删除 page
//insertPage();// 插入 page
//splitPDF();//分割 page
//mergePDF();// 合并 PDF 文件
//sortpage();// 排序page
//setHeaderFooter();// 页眉，页脚
//addColumnText();// 左右文字
//setView();// 文档视图
//pdfToZip();// 压缩PDF到Zip
//addAnnotation();// 注释
}
/**
* 创建一个 PDF 文件，并添加文本
*/
public static void createPDF() throws IOException, DocumentException {
// 实例化 document
document = new Document();
// 生成文件
String path = FILE_DIR + "createPDF.pdf";
File file = new File(path);
if(!file.exists()){
file.createNewFile();
}
PdfWriter.getInstance(document, new FileOutputStream(FILE_DIR + "createPDF.pdf"));
// 打开 document
document.open();
// 添加文本 此处无法写入中文 TODO
document.add(new Paragraph(const_NEZHA));
document.add(new Paragraph("什么情况，我这是第一个PDF文件！", static_FONT_CHINESE));
document.add(new Paragraph(const_NEZHA, static_FONT_CHINESE));
// 关闭 document
document.close();
}
/**
* 创建PDF文件，修改文件的属性
*/
public static void createPDFWithColor() throws FileNotFoundException, DocumentException {
// 页面大小 PageSize.A5.rotate()
Rectangle rect = new Rectangle(PageSize.A4.rotate());
// 页面背景色
rect.setBackgroundColor(BaseColor.YELLOW);
document = new Document(rect);
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(FILE_DIR + "createPDFWithColor.pdf"));
// PDF版本(默认1.4)
writer.setPdfVersion(PdfWriter.VERSION_1_6);
// 文档属性
document.addAuthor(const_NEZHA);
document.addTitle("我的第一个pdf");
// 页边空白
document.setMargins(10, 10, 10, 10);
// 打开
document.open();
document.add(new Paragraph("重新打开文件并进行填写信息！", static_FONT_CHINESE));
// 关闭
document.close();
}
/**
* 创建带密码的PDF
*/
public static void createPDFWithPassWord() throws FileNotFoundException, DocumentException {
// 页面大小
Rectangle rect = new Rectangle(PageSize.A5.rotate());
// 页面背景色
rect.setBackgroundColor(BaseColor.YELLOW);
document = new Document(rect);
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(FILE_DIR + "createPDFWithPassWord.pdf"));
// userPassword打开密码："123"
// ownerPassword编辑密码: "123456"
writer.setEncryption("123".getBytes(), "123456".getBytes(), PdfWriter.ALLOW_SCREENREADERS, PdfWriter.STANDARD_ENCRYPTION_128);
document.open();
document.add(new Paragraph(const_NEZHA, static_FONT_CHINESE));
document.close();
}
/**
* 为PDF添加页
*/
public static void createPDFWithNewPages() throws FileNotFoundException, DocumentException {
document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(FILE_DIR + "createPDFAddNewPages.pdf"));
document.open();
document.add(new Paragraph(const_PAGE_FIRST, static_FONT_CHINESE));
document.newPage();
document.add(new Paragraph(const_PAGE_SECOND, static_FONT_CHINESE));
writer.setPageEmpty(true);
document.newPage();
document.add(new Paragraph(const_PAGE_THIRD, static_FONT_CHINESE));
document.close();
}
/**
* 为PDF文件添加水印，背景图
*/
public static void createPDFWithWaterMark() throws IOException, DocumentException {
FileOutputStream out = new FileOutputStream(FILE_DIR + "createPDFWithWaterMark.pdf");
document = new Document();
PdfWriter.getInstance(document, out);
document.open();
document.add(new Paragraph(const_PAGE_FIRST, static_FONT_CHINESE));
document.newPage();
document.add(new Paragraph(const_PAGE_SECOND, static_FONT_CHINESE));
document.newPage();
document.add(new Paragraph(const_PAGE_THIRD, static_FONT_CH
Websocket客户端交互及服务端信息推送 （114个子文件） 
PDFUtils.class 19KB WebSocketServer.class 5KB ExcelController.class 5KB UserController.class 3KB ShiroConfig.class 3KB MyShiroRealm.class 3KB SysMessage.class 3KB ExcelServiceImpl.class 3KB LoginController.class 3KB LoginServiceImpl.class 3KB SwaggerConfig.class 3KB SaticScheduleTask.class 2KB ExcelListener.class 2KB PDFUtils$2.class 2KB FastjsonConverter.class 2KB User.class 2KB SysRole.class 2KB SystemMessageServiceImpl.class 2KB SysUser.class 2KB PDFUtils$1.class 1KB SysMenu.class 1KB Role.class 1KB UserServiceImpl.class 1KB ExcelData.class 1KB UserRepository.class 1004B PDFUtils$3.class 936B MyExceptionHandler.class 929B SystemMessageMapper.class 839B Permissions.class 806B SystemMessageService.class 761B DemoApplication.class 733B WebSocketConfig.class 720B UserMapper.class 626B DemoApplicationTests.class 531B ExcelService.class 484B UserService.class 367B LoginService.class 248B .classpath 1KB mvnw.cmd 7KB .gitignore 395B
websocket.html 3KB websocket.html 3KB login.html 436B login.html 436B upload.html 337B upload.html 337B index.html 275B index.html 275B thymeleaf.html 244B thymeleaf.html 244B index01.html 156B index01.html 156B my_error.html 151B my_error.html 151B select.html 129B select.html 129B 403.html 126B 403.html 126B
maven-wrapper.jar 57KB PDFUtils.java 31KB WebSocketServer.java 6KB ShiroConfig.java 4KB ExcelController.java 4KB MyShiroRealm.java 3KB UserController.java 3KB LoginController.java 3KB SaticScheduleTask.java 2KB LoginServiceImpl.java 2KB SysMessage.java 2KB ExcelServiceImpl.java 2KB FastjsonConverter.java 2KB SwaggerConfig.java 2KB ExcelListener.java 1KB SystemMessageServiceImpl.java 1KB User.java 1KB SysRole.java 846B SysUser.java 834B ExcelData.java 794B UserServiceImpl.java 714B Role.java 655B UserRepository.java 636B SysMenu.java 616B WebSocketConfig.java 519B SystemMessageMapper.java 515B MyExceptionHandler.java 459B SystemMessageService.java 459B UserMapper.java 439B Permissions.java 425B ExcelService.java 322B DemoApplication.java 305B UserService.java 232B DemoApplicationTests.java 206B LoginService.java 164B jquery.js 265KB jquery.js 265KB jquery.min.js 128KB jquery.min.js 128KB HELP.md 429B MANIFEST.MF 279B mvnw 10KB共 114 条
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