2023.12.5 更新
项目运行中发现，引入了org.apache.poi太多的包，导致内部有依赖冲突且很不好排查，修改后直接使用aspose-words的包就能实现word转换pdf
更新后的pom依赖
<dependency>
<groupId>com.luhuiguo</groupId>
<artifactId>aspose-words</artifactId>
<version>23.1</version>
</dependency>
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>5.7.5</version>
</dependency>核心代码：
import com.aspose.words.Document;
import com.aspose.words.License;
import com.aspose.words.SaveFormat;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
public class WordToPdf {
public static File docToPdf(String docPath, String pdfPath) {
System.out.println("WORD转化PDF开始>>>>"); //转化用时
File pdfFile = new File(pdfPath);
try {
long old = System.currentTimeMillis();
String s = "<License><Data><Products><Product>Aspose.Total for Java</Product><Product>Aspose.Words for Java</Product></Products><EditionType>Enterprise</EditionType><SubscriptionExpiry>20991231</SubscriptionExpiry><LicenseExpiry>20991231</LicenseExpiry><SerialNumber>8bfe198c-7f0c-4ef8-8ff0-acc3237bf0d7</SerialNumber></Data><Signature>sNLLKGMUdF0r8O1kKilWAGdgfs2BvJb/2Xp8p5iuDVfZXmhppo+d0Ran1P9TKdjV4ABwAgKXxJ3jcQTqE/2IRfqwnPf8itN8aFZlV3TJPYeD3yWE7IT55Gz6EijUpC7aKeoohTb4w2fpox58wWoF3SNp6sK6jDfiAUGEHYJ9pjU=</Signature></License>";
ByteArrayInputStream is = new ByteArrayInputStream(s.getBytes());
License license = new License();
license.setLicense(is);
Document document = new Document(docPath);
FileOutputStream outputStream = new FileOutputStream(pdfFile);
document.save(outputStream, SaveFormat.PDF);
long now = System.currentTimeMillis();
outputStream.close();
is.close();
System.out.println("WORD转化PDF共耗时：" + ((now - old) / 1000.0) + "秒"); //转化用时
} catch (Exception e) {
System.out.println("转化失败");
e.printStackTrace();
}
return pdfFile;
}
public static File docToPdf(InputStream docPathInputStream, String pdfPath) {
File pdfFile = new File(pdfPath);
try {
long old = System.currentTimeMillis();
String s = "<License><Data><Products><Product>Aspose.Total for Java</Product><Product>Aspose.Words for Java</Product></Products><EditionType>Enterprise</EditionType><SubscriptionExpiry>20991231</SubscriptionExpiry><LicenseExpiry>20991231</LicenseExpiry><SerialNumber>8bfe198c-7f0c-4ef8-8ff0-acc3237bf0d7</SerialNumber></Data><Signature>sNLLKGMUdF0r8O1kKilWAGdgfs2BvJb/2Xp8p5iuDVfZXmhppo+d0Ran1P9TKdjV4ABwAgKXxJ3jcQTqE/2IRfqwnPf8itN8aFZlV3TJPYeD3yWE7IT55Gz6EijUpC7aKeoohTb4w2fpox58wWoF3SNp6sK6jDfiAUGEHYJ9pjU=</Signature></License>";
ByteArrayInputStream is = new ByteArrayInputStream(s.getBytes());
License license = new License();
license.setLicense(is);
Document document = new Document(docPathInputStream);
FileOutputStream outputStream = new FileOutputStream(pdfFile);
document.save(outputStream, SaveFormat.PDF);
long now = System.currentTimeMillis();
outputStream.close();
is.close();
System.out.println("WORD转化PDF共耗时：" + ((now - old) / 1000.0) + "秒"); //转化用时
} catch (Exception e) {
System.out.println("转化失败");
e.printStackTrace();
}
return pdfFile;
}
public static void main(String[] args) {
String docPath = "F:\\Users\\test\\Desktop\\test.docx";
String pdfPath = "F:\\Users\\test\\Desktop\\test-convert.pdf";
docToPdf(docPath,pdfPath);
}
}之前的版本
最近做的一个项目中需要对接上上签实现自动签章和骑缝章的功能，但是用户这边的合同有docx也有pdf，而上上签只能对接pdf的格式，于是找了很多方法，不是表格转换有问题，就是图片转换有问题，要么就是格式上有点失真，最后找到一个比较完美的方案，记录一下，后台是springboot，文件涉及到公司机密就没有效果展示了。
<dependency>
<groupId>com.luhuiguo</groupId>
<artifactId>aspose-words</artifactId>
<version>23.1</version>
</dependency>
<!-- poi -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-scratchpad</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-excelant</artifactId>
<version>5.2.0</version>
</dependency>
<!-- itextpdf -->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.13.2</version>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itext-asian</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>5.7.5</version>
</dependency>核心代码
import cn.hutool.core.util.StrUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
/**
* @author fhey
* @date 2023-04-20 11:15:58
* @description: 文件工具类
*/
public class FileUtil {
private static final Logger logger = LoggerFactory.getLogger(FileUtil.class);
//获取新文件的全路径
public static String getNewFileFullPath(String sourceFilePath, String destFilePath, String ext) {
File destFile = new File(destFilePath);
if (destFile.isFile()) {
return destFilePath;
}
File sourceFile = new File(sourceFilePath);
String sourceFileName = sourceFile.getName();
if (sourceFile.isFile()) {
return destFilePath + File.separator + sourceFileName.substring(0, sourceFileName.lastIndexOf(StrUtil.DOT)) + StrUtil.DOT + ext;
}
return destFilePath + File.separator + sourceFileName + StrUtil.DOT + ext;
}
//判断文件是否是图片
public static boolean isImage(File file) throws IOException {
FileInputStream is = new FileInputStream(file);
byte[] bytes = new byte[8];
is.read(bytes);
is.close();
String type = bytesToHexString(bytes).toUpperCase();
if (type.contains("FFD8FF") //JPEG(jpg)
|| type.contains("89504E47") //PNG
|| type.contains("47494638") //GIF
|| type.contains("49492A00") //TIFF(tif)
|| type.contains("424D") //Bitmap(bmp)
) {
return true;
}
return false;
}
//将文件头转换成16进制字符串
public static String bytesToHexString(byte[] src) {
StringBuilder builder = new StringBuilder();
if (src == null || src.length <= 0) {
return null;
}
for (int i = 0; i < src.length; i++) {
int v = src[i] & 0xFF;
String hv = Integer.toHexString(v);
if (hv.length() < 2) {
builder.append(0);
}
builder.append(hv);
}
return builder.toString();
}
}使用示例
public static void wordToPdf(String wordPath, String pdfPath) throws Exception {
pdfPath = FileUtil.getNewFileFullPath(wordPath, pdfPath, "pdf");
File file = new File(pdfPath);
FileOutputStream os = new FileOutputStream(file);
Document doc = new Document(wordPath);
doc.save(os, com.aspose.words.SaveFormat.PDF);
}
public static void main(String[] args) throws Exception {
String filepath = "test.docx";
String outpath = "/tmp";
wordToPdf(filepath, outpath);
}