package com.cinc.messageservice.message.mail.util;
import com.cinc.messageservice.utils.EmptyUtils;
import com.itextpdf.html2pdf.ConverterProperties;
import com.itextpdf.html2pdf.HtmlConverter;
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.styledxmlparser.css.media.MediaDeviceDescription;
import com.itextpdf.styledxmlparser.css.media.MediaType;
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.*;
import com.itextpdf.tool.xml.XMLWorkerFontProvider;
import java.io.*;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
/**
* @Author: hhr
* @Despriction:
* @CreatedTime: 2020/3/12 16:39
* @ModifyBy:
* @ModifyTime:
* @ModifyDespriction:
* @Version: V1.0.0
*/
public class PdfUtil {
//默认中文字体
private static final String FONT = "C:\Windows\Fonts\simhei.ttf";
/**
* 根据模板将数据输出pdf文件
* @param tagetPath
* @param templatePath
* @param dataMap
* @param imageMap
* @throws Exception
*/
public static void templeteToPdf(String tagetPath, String templatePath, Map<String, Object> dataMap, Map<String, Object> imageMap) throws Exception {
PdfReader reader;
FileOutputStream out;
ByteArrayOutputStream bos;
PdfStamper stamper;
try {
BaseFont bf = BaseFont.createFont(FONT , BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
Font fontChinese = new Font(bf, 5, Font.NORMAL);
out = new FileOutputStream(tagetPath);// 输出流
reader = new PdfReader(templatePath);// 读取pdf模板
bos = new ByteArrayOutputStream();
stamper = new PdfStamper(reader, bos);
AcroFields form = stamper.getAcroFields();
//文字类的内容处理
form.addSubstitutionFont(bf);
if (!EmptyUtils.isMapEmpty(dataMap)){
for(String key : dataMap.keySet()){
String value = (String)dataMap.get(key);
form.setField(key,value);
}
}
//图片类的内容处理
if (!EmptyUtils.isMapEmpty(imageMap)){
for(String key : imageMap.keySet()) {
String value = (String)imageMap.get(key);
String imgpath = value;
int pageNo = form.getFieldPositions(key).get(0).page;
Rectangle signRect = form.getFieldPositions(key).get(0).position;
float x = signRect.getLeft();
float y = signRect.getBottom();
//根据路径读取图片
Image image = Image.getInstance(imgpath);
//获取图片页面
PdfContentByte under = stamper.getOverContent(pageNo);
//图片大小自适应
image.scaleToFit(signRect.getWidth(), signRect.getHeight());
//添加图片
image.setAbsolutePosition(x, y);
under.addImage(image);
}
}
// 如果为false，生成的PDF文件可以编辑，如果为true，生成的PDF文件不可以编辑
stamper.setFormFlattening(true);
stamper.close();
Document doc = new Document();
Font font = new Font(bf, 32);
PdfCopy copy = new PdfCopy(doc, out);
doc.open();
PdfImportedPage importPage = copy.getImportedPage(new PdfReader(bos.toByteArray()), 1);
copy.addPage(importPage);
doc.close();
} catch (IOException e) {
System.out.println(e);
} catch (DocumentException e) {
System.out.println(e);
}
}
/**
* html转pdf
* @param sourcePath
* @param tagetPath
* @param pageSize
* @param baseuri
* @throws Exception
*/
public static void htmlToPdf(String sourcePath, String tagetPath, PageSize pageSize, String baseuri) throws Exception {
PdfWriter writer = new PdfWriter(tagetPath);
PdfDocument pdfDocument = new PdfDocument(writer);
pdfDocument.setTagged();
//设置页面大小
pdfDocument.setDefaultPageSize(pageSize);
ConverterProperties converterProperties = new ConverterProperties();
converterProperties.setBaseUri(baseuri);
MediaDeviceDescription mediaDeviceDescription = new MediaDeviceDescription(MediaType.SCREEN);
mediaDeviceDescription.setWidth(pageSize.getWidth());
converterProperties.setMediaDeviceDescription(mediaDeviceDescription);
URL url = new URL(sourcePath);
InputStream inputStream = url.openStream();
//InputStream inputStream = new FileInputStream(sourcePath);
HtmlConverter.convertToPdf(inputStream, pdfDocument, converterProperties);
inputStream.close();
}
/**
* 对图片转pdf
* @param picturePath
* @param os
*/
public static void imageToPDF(String picturePath, OutputStream os) {
try {
Document document = new Document(com.itextpdf.text.PageSize.A4);
com.itextpdf.text.pdf.PdfWriter.getInstance(document, os);
document.open();
//重新设置宽高
Image image = Image.getInstance(picturePath);
float documentWidth = document.getPageSize().getWidth() - document.leftMargin() - document.rightMargin();
float documentHeight = documentWidth / 580 * 320;
image.scaleAbsolute(documentWidth, documentHeight);
document.add(image);
document.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* txt文件转pdf文件
* @param text
* @param os
* @throws DocumentException
* @throws IOException
*/
public static void textToPDF(String text, OutputStream os) throws DocumentException, IOException {
Document document = new Document();
com.itextpdf.text.pdf.PdfWriter.getInstance(document, os);
document.open();
//方法一：使用Windows系统字体(TrueType)
BaseFont baseFont = BaseFont.createFont(FONT, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
Font font = new Font(baseFont);
InputStreamReader isr = new InputStreamReader(new FileInputStream(new File(text)), "GBK");
BufferedReader bufferedReader = new BufferedReader(isr);String str = "";
while ((str = bufferedReader.readLine()) != null) {
document.add(new Paragraph(str,font));
}
document.close();
}
public static void main(String[] args) throws Exception{
/* HashMap<String, Object> dataMap = new HashMap<>();
HashMap<String,Object> imageMap = new HashMap<>();
imageMap.put("image", "E:\aaa\11.jpg");
dataMap.put("name", "测试Test");
dataMap.put("projectName", "西山采购项目");
dataMap.put("stock", "前山库房");
dataMap.put("code", "001");
dataMap.put("fill_4", "水浒");
dataMap.put("fill_5", "1");
dataMap.put("fill_6", "1");
dataMap.put("fill_7", "1");
dataMap.put("fill_8", "2");
dataMap.put("fill_9", "11");
dataMap.put("fill_10", "12");
templeteToPdf("E:\aaa\tp.pdf","E:\aaa\toPDF.pdf",dataMap, imageMap);
String image = "E:\aaa\aa.txt";
OutputStream os = new FileOutputStream("E:\aaa\b.pdf");*/
htmlToPdf("https://wenku.baidu.com/view/6f1509a5d0f34693daef5ef7ba0d4a7303766c5b.html?rec_flag=default", "E:\aaa\p.pdf", PageSize.A2, "https://blog.csdn.net/erlian1992/article/details/82631290");
}
}
/**
* 用于中文显示的Provider
*/
class AsianFontProvider extends XMLWorkerFontProvider {
@Override
public Font getFont(final String fontname, String encoding, float size, final int style) {
try {
BaseFont bfChinese = BaseFont.createFont("STSongStd-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
return new Font(bfChinese, size, style);
} catch (Exception e) {
}
return super.getFont(fontname, encoding, size, style);
}
}
dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.11</version>
</dependency>
<dependency>
<groupId>com.itextpdf.tool</groupId>
<artifactId>xmlworker</artifactId>
<version>5.5.11</version>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itext-asian</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>html2pdf</artifactId>
<version>2.1.5</version>
</dependency>
模板生成pdf文件时，需要用Adobe Acrobat DC工具编辑模板