直接上代码了
4.0.0 com.test aspose-word-excel 1.0-SNAPSHOT e-iceblue spire.doc.free 3.9.0 e-iceblue spire.pdf.free 3.9.0 com.lowagie itext 2.1.7 org.projectlombok lombok 1.18.16 compile com.aspose.words aspose-words words-15.8.0-jdk16 system ${project.basedir}/src/main/resources/lib/aspose-words-15.8.0-jdk16.jar com.aspose.cells aspose-cells cell-8.5.2 system ${project.basedir}/src/main/resources/lib/aspose-cells-8.5.2.jar com.aspose.pdf aspose-pdf pdf-17.3.0 system ${project.basedir}/src/main/resources/lib/aspose.pdf-17.3.0.jar com.itextpdf itextpdf 5.5.13 com.itextpdf itext-asian 5.2.0 com.itextpdf.tool xmlworker 5.5.13 fr.opensagres.xdocreport fr.opensagres.poi.xwpf.converter.pdf-gae 2.0.1 com.e-iceblue https://repo.e-iceblue.cn/repository/maven-public/
license.xml
Aspose.Total for Java Aspose.Words for Java Enterprise 20991231 20991231 8bfe198c-7f0c-4ef8-8ff0-acc3237bf0d7 sNLLKGMUdF0r8O1kKilWAGdgfs2BvJb/2Xp8p5iuDVfZXmhppo+d0Ran1P9TKdjV4ABwAgKXxJ3jcQTqE/2IRfqwnPf8itN8aFZlV3TJPYeD3yWE7IT55Gz6EijUpC7aKeoohTb4w2fpox58wWoF3SNp6sK6jDfiAUGEHYJ9pjU=
public static boolean getLicense() {
boolean result = false;
try {
InputStream is = ConvertPDFUtils.class.getClassLoader().getResourceAsStream("\license.xml");
License aposeLic = new License();
aposeLic.setLicense(is);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
public static void pdfToImage(String pdf, String outPath) {
// 验证License
if (!getLicense()) {
return;
}
try {
long old = System.currentTimeMillis();
System.out.println("convert pdf2png begin");
Document pdfDocument = new Document(pdf);
//图片宽度：800
//图片高度：100
// 分辨率 960
//Quality [0-100] 最大100
//例： new JpegDevice(800, 1000, resolution, 90);
Resolution resolution = new Resolution(960);
// JpegDevice jpegDevice = new JpegDevice(resolution);
PngDevice pngDevice = new PngDevice(resolution);
for (int index = 1; index <= pdfDocument.getPages().size(); index++) {
// 输出路径
File file = new File(outPath + "/" + index + ".png");
FileOutputStream fileOs = new FileOutputStream(file);
// jpegDevice.process(pdfDocument.getPages().get_Item(index), fileOs);
pngDevice.process(pdfDocument.getPages().get_Item(index), fileOs);
fileOs.close();
}
long now = System.currentTimeMillis();
System.out.println("convert pdf2png completed, elapsed ：" + ((now - old) / 1000.0) + "秒");
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
String sourcePath = "D:\File\test.pdf";
String targetPath = "D:\File\";
long old = System.currentTimeMillis();
ConvertPDFUtils.pdfToImage(sourcePath, targetPath);
long now = System.currentTimeMillis();
System.out.println("pdf转图片成功,共耗时：" + ((now - old) / 1000.0) + "秒");
}
PDF文件水印转换成PNG格式
public static void fileCopyRightWay(String sourceFile, String targetPath) {
try {
//读取源地址文件的字节流
FileInputStream in = new FileInputStream(sourceFile);
FileOutputStream out = new FileOutputStream(targetPath);
byte[] bs = new byte[1026];
int count = 0;
while ((count = in.read(bs, 0, bs.length)) != -1) {
//把读取到的字节流写入到目的地址的文件里面
out.write(bs, 0, count);
}
//刷新下输出流
out.flush();
// 关闭输入流和输出流
out.close();
out.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) throws IOException {
String sourcePath = "D:\file\体重变化图表.pdf";
String targetPath = "D:\file\";
PdfDocument pdf = new PdfDocument();
pdf.loadFromFile(sourcePath);
//添加一个空白页，目的为了删除jar包添加的水印，后面再移除这一页
pdf.getPages().add();
PdfReader reader = new PdfReader(sourcePath);
BufferedImage image;
int total1 = reader.getNumberOfPages();
for(int i =0 ; i
image = pdf.saveAsImage(i);//将每一页pdf拆分出来保存为图片
File file = new File(String.format(targetPath+"Watermark33"+i+".png",i));
ImageIO.write(image,"PNG",file);
ConvertPDFUtils.fileCopyRightWay(targetPath+"Watermark33"+i+".png",targetPath+"测试3_"+i+".png");//对图片进行重命名
}
pdf.getPages().remove(pdf.getPages().get(pdf.getPages().getCount()-1));
pdf.close();
}
意思代码可能不全 下面是全部工具类代码
package dmyz.util;
import com.aspose.cells.License;
import com.aspose.cells.SaveFormat;
import com.aspose.cells.Workbook;
import com.aspose.pdf.*;
import com.aspose.pdf.devices.JpegDevice;
import com.aspose.pdf.devices.PngDevice;
import com.aspose.pdf.devices.Resolution;
import com.spire.pdf.PdfPageBase;
import com.spire.pdf.graphics.*;
import javax.imageio.ImageIO;
import java.awt.Color;
import java.awt.Font;
import java.awt.*;
import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
public class ConvertPDFUtils {
public static boolean getLicense() {
boolean result = false;
try {
InputStream is = ConvertPDFUtils.class.getClassLoader().getResourceAsStream("\license.xml");
License aposeLic = new License();
aposeLic.setLicense(is);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
public static Boolean excelConvertToPdf(String excelfilePath, String pdfFilePath) {
// 验证License
if (!getLicense()) {
return false;
}
try {
// 原始excel路径
Workbook wb = new Workbook(excelfilePath);
// 输出路径
File pdfFile = new File(pdfFilePath);
FileOutputStream fileOS = new FileOutputStream(pdfFile);
wb.save(fileOS, SaveFormat.PDF);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
public static Boolean wordConvertToPdf(String wordfilePath, String pdfFilePath) {
// 验证License
if (!getLicense()) {
return false;
}
try {
// 原始word路径
Document doc = new Document(wordfilePath);
// 输出路径
File pdfFile = new File(pdfFilePath);
FileOutputStream fileOS = new FileOutputStream(pdfFile);
doc.save(fileOS,SaveFormat.PDF);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
public static void pdfToImage(InputStream inputStream, String imgFilePath) {
try {
System.out.println("convert pdf2jpg begin");
long old = System.currentTimeMillis();
if (!getLicense()) {
return;
}
Document pdfDocument = new Document(inputStream);
//分辨率
Resolution resolution = new Resolution(130);
JpegDevice jpegDevice = new JpegDevice(resolution);
List imageList = new ArrayList();
List fileList = new ArrayList();
for (int index = 1; index <= pdfDocument.getPages().size(); index++) {
File file = File.createTempFile("tempFile", "png");
FileOutputStream fileOS = new FileOutputStream(file);
jpegDevice.process(pdfDocument.getPages().get_Item(index), fileOS);
fileOS.close();
imageList.add(ImageIO.read(file));
fileList.add(file);
}
//临时文件删除
BufferedImage mergeImage = mergeImage(false, imageList);
ImageIO.write(mergeImage, "png", new File(imgFilePath));
long now = System.currentTimeMillis();
System.out.println("convert pdf2jpg completed, elapsed ：" + ((now - old) / 1000.0) + "秒");
//删除临时文件
for (File f : fileList) {
if (f.exists()) {
f.delete();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static BufferedImage mergeImage(boolean isHorizontal, List imgs) throws IOException {
// 生成新图片
BufferedImage destImage = null;
// 计算新图片的长和高
int allw = 0, allh = 0, allwMax = 0, allhMax = 0;
// 获取总长、总宽、最长、最宽
for (int i = 0; i < imgs.size(); i++) {
BufferedImage img = imgs.get(i);
allw += img.getWidth();
if (imgs.size() != i + 1) {
allh += img.getHeight() + 5;
} else {
allh += img.getHeight();
}
if (img.getWidth() > allwMax) {
allwMax = img.getWidth();
}
if (img.getHeight() > allhMax) {
allhMax = img.getHeight();
}
}
// 创建新图片
if (isHorizontal) {
destImage = new BufferedImage(allw, allhMax, BufferedImage.TYPE_INT_RGB);
} else {
destImage = new BufferedImage(allwMax, allh, BufferedImage.TYPE_INT_RGB);
}
Graphics2D g2 = (Graphics2D) destImage.getGraphics();
g2.setBackground(Color.LIGHT_GRAY);
g2.clearRect(0, 0, allw, allh);
g2.setPaint(Color.RED);
// 合并所有子图片到新图片
int wx = 0, wy = 0;
for (int i = 0; i < imgs.size(); i++) {
BufferedImage img = imgs.get(i);
int w1 = img.getWidth();
int h1 = img.getHeight();
// 从图片中读取RGB
int[] ImageArrayOne = new int[w1 * h1];
// 逐行扫描图像中各个像素的RGB到数组中
ImageArrayOne = img.getRGB(0, 0, w1, h1, ImageArrayOne, 0, w1);
if (isHorizontal) {
// 水平方向合并
// 设置上半部分或左半部分的RGB
destImage.setRGB(wx, 0, w1, h1, ImageArrayOne, 0, w1);
} else {
// 垂直方向合并
// 设置上半部分或左半部分的RGB
destImage.setRGB(0, wy, w1, h1, ImageArrayOne, 0, w1);
}
wx += w1;
wy += h1 + 5;
}
return destImage;
}
public static void pdfToImage(String pdf, String outPath) {
// 验证License
if (!getLicense()) {
return;
}
try {
long old = System.currentTimeMillis();
System.out.println("convert pdf2png begin");
Document pdfDocument = new Document(pdf);
//图片宽度：800
//图片高度：100
// 分辨率 960
//Quality [0-100] 最大100
//例： new JpegDevice(800, 1000, resolution, 90);
Resolution resolution = new Resolution(960);
// JpegDevice jpegDevice = new JpegDevice(resolution);
PngDevice pngDevice = new PngDevice(resolution);
for (int index = 1; index <= pdfDocument.getPages().size(); index++) {
// 输出路径
File file = new File(outPath + "/" + index + ".png");
FileOutputStream fileOs = new FileOutputStream(file);
// jpegDevice.process(pdfDocument.getPages().get_Item(index), fileOs);
pngDevice.process(pdfDocument.getPages().get_Item(index), fileOs);
fileOs.close();
}
long now = System.currentTimeMillis();
System.out.println("convert pdf2png completed, elapsed ：" + ((now - old) / 1000.0) + "秒");
} catch (Exception e) {
e.printStackTrace();
}
}
public static void AddImageWatermark(PdfPageBase page, String imageFile) {
page.setBackgroundImage(imageFile);
Rectangle2D rect = new Rectangle2D.Float();
rect.setFrame(page.getClientSize().getWidth() / 2 - 100, page.getClientSize().getHeight() / 2 - 100, 200, 200);
page.setBackgroundRegion(rect);
}
public static void AddTextWatermark(PdfPageBase page, String textWatermark) {
Dimension2D dimension2D = new Dimension();
dimension2D.setSize(page.getCanvas().getClientSize().getWidth() / 3, page.getCanvas().getClientSize().getHeight() / 3);
PdfTilingBrush brush = new PdfTilingBrush(dimension2D);
brush.getGraphics().setTransparency(0.3F);
brush.getGraphics().save();
brush.getGraphics().translateTransform((float) brush.getSize().getWidth() / 2, (float) brush.getSize().getHeight() / 2);
brush.getGraphics().rotateTransform(-45);
brush.getGraphics().drawString(textWatermark, new PdfTrueTypeFont(new Font("新宋体", Font.PLAIN, 30), true), PdfBrushes.getGray(), 0, 0, new PdfStringFormat(PdfTextAlignment.Center));
brush.getGraphics().restore();
brush.getGraphics().setTransparency(1);
Rectangle2D loRect = new Rectangle2D.Float();
loRect.setFrame(new Point2D.Float(0, 0), page.getCanvas().getClientSize());
page.getCanvas().drawRectangle(brush, loRect);
}
public static void fileCopyRightWay(String sourceFile, String targetPath) {
try {
//读取源地址文件的字节流
FileInputStream in = new FileInputStream(sourceFile);
FileOutputStream out = new FileOutputStream(targetPath);
byte[] bs = new byte[1026];
int count = 0;
while ((count = in.read(bs, 0, bs.length)) != -1) {
//把读取到的字节流写入到目的地址的文件里面
out.write(bs, 0, count);
}
//刷新下输出流
out.flush();
// 关闭输入流和输出流
out.close();
out.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void addWatermark(String filepath, String data) {
Document pdfDocument = new Document(filepath);
TextStamp textStamp = new TextStamp(data);
textStamp.setBackground(true);
textStamp.setXIndent(100);
textStamp.setYIndent(100);
textStamp.setRotateAngle(50);
textStamp.getTextState().setFont(FontRepository.findFont("Arial"));
textStamp.getTextState().setFontSize(34.0F);
textStamp.getTextState().setFontStyle(FontStyles.Italic);
// textStamp.getTextState().setForegroundColor(Color.getLightGray());
TextStamp textStamp1 = new TextStamp(data);
textStamp1.setBackground(true);
textStamp1.setXIndent(300);//设置位置
textStamp1.setYIndent(300);
textStamp1.setRotateAngle(50);//设置旋转角度
textStamp1.getTextState().setFont(FontRepository.findFont("Arial"));
textStamp1.getTextState().setFontSize(34.0F);//设置字体大小
textStamp1.getTextState().setFontStyle(FontStyles.Italic);
// textStamp1.getTextState().setForegroundColor(Color.LIGHT_GRAY);//设置字体颜色
TextStamp textStamp2 = new TextStamp(data);
textStamp2.setBackground(true);
textStamp2.setXIndent(500);
textStamp2.setYIndent(500);
textStamp2.setRotateAngle(50);
textStamp2.getTextState().setFont(FontRepository.findFont("Arial"));
textStamp2.getTextState().setFontSize(34.0F);
textStamp2.getTextState().setFontStyle(FontStyles.Italic);
// textStamp2.getTextState().setForegroundColor(Color.getLightGray());
PageCollection pages = pdfDocument.getPages();
int size = pages.size();
for (int i = 1; i <= size; i++) {
pages.get_Item(i).addStamp(textStamp);
pages.get_Item(i).addStamp(textStamp1);
pages.get_Item(i).addStamp(textStamp2);
}
pdfDocument.save(filepath);
}
public static void addWatermarkWYH(String filepath, String data) {
Document pdfDocument = new Document(filepath);
TextStamp textStamp = new TextStamp(data);
//背景(好像没用)
textStamp.setBackground(true);
//x坐标 可以通过xy坐标来定义水印的具体位置
textStamp.setXIndent(100);
//y坐标
textStamp.setYIndent(10);
//通过以下属性控制水印的样式 字体 大小 颜色等
//旋转角度
textStamp.setRotateAngle(0);
//字体类型
textStamp.getTextState().setFont(FontRepository.findFont("Arial"));
//字体大小
textStamp.getTextState().setFontSize(20.0F);
//字体样式
textStamp.getTextState().setFontStyle(FontStyles.Italic);
//字体颜色
textStamp.getTextState().setForegroundColor(com.aspose.pdf.Color.fromRgb(Color.yellow));
TextStamp textStamp1 = new TextStamp(data);
textStamp1.setBackground(true);
textStamp1.setXIndent(200);//设置位置
textStamp1.setYIndent(10);
textStamp1.setRotateAngle(0);//设置旋转角度
textStamp1.getTextState().setFont(FontRepository.findFont("Arial"));
textStamp1.getTextState().setFontSize(30.0F);//设置字体大小
textStamp1.getTextState().setFontStyle(FontStyles.Italic);
textStamp1.getTextState().setForegroundColor(com.aspose.pdf.Color.fromRgb(Color.green));
TextStamp textStamp2 = new TextStamp(data);
textStamp2.setBackground(true);
textStamp2.setXIndent(300);
textStamp2.setYIndent(10);
textStamp2.setRotateAngle(0);
textStamp2.getTextState().setFont(FontRepository.findFont("Arial"));
textStamp2.getTextState().setFontSize(40.0F);
textStamp2.getTextState().setFontStyle(FontStyles.Italic);
textStamp2.getTextState().setForegroundColor(com.aspose.pdf.Color.fromRgb(Color.red));
PageCollection pages = pdfDocument.getPages();
System.out.println(pages);
int size = pages.size();
for (int i = 1; i <= size; i++) {
//如果只想要一个水印 只添加一个即可
pages.get_Item(i).addStamp(textStamp);
pages.get_Item(i).addStamp(textStamp1);
pages.get_Item(i).addStamp(textStamp2);
}
pdfDocument.save(filepath);
}
//word->pdf
public static boolean docToPdf(String inPath, String outPath) {
if (!getLicense()) { // 验证License 若不验证则转化出的pdf文档会有水印产生
return false;
}
FileOutputStream os = null;
try {
long old = System.currentTimeMillis();
File file = new File(outPath); // 新建一个空白pdf文档
os = new FileOutputStream(file);
Document doc = new Document(inPath); // Address是将要被转化的word文档
doc.save(os, SaveFormat.PDF);// 全面支持DOC, DOCX, OOXML, RTF HTML, OpenDocument, PDF,
// EPUB, XPS, SWF 相互转换
long now = System.currentTimeMillis();
System.out.println("pdf转换成功，共耗时：" + ((now - old) / 1000.0) + "秒"); // 转化用时
} catch (Exception e) {
e.printStackTrace();
return false;
}finally {
if (os != null) {
try {
os.flush();
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return true;
}
}
