java poi word转pdf
时间: 2023-08-29 20:05:27 浏览: 57
要将Java POI Word文档转换为PDF,可以使用以下步骤:
1. 添加POI和iText库的依赖关系。可以使用以下maven坐标:
```
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>4.1.2</version>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.13</version>
</dependency>
```
2. 创建Word文档并填充内容。可以使用POI的XWPFDocument类来创建和操作Word文档。例如:
```
XWPFDocument document = new XWPFDocument();
XWPFParagraph paragraph = document.createParagraph();
XWPFRun run = paragraph.createRun();
run.setText("Hello, World!");
```
3. 将Word文档写入输出流。可以使用Java的FileOutputStream类将文档写入文件或使用ByteArrayOutputStream类将文档写入内存中的字节数组。
4. 使用iText库将Word文档转换为PDF。可以使用iText的PdfWriter和PdfReader类来将Word文档转换为PDF。例如:
```
PdfWriter writer = PdfWriter.getInstance(document, outputStream);
writer.setInitialLeading(12.5f);
document.open();
PdfReader reader = new PdfReader(inputStream);
PdfContentByte cb = writer.getDirectContent();
for (int i = 1; i <= reader.getNumberOfPages(); i++) {
document.newPage();
PdfImportedPage page = writer.getImportedPage(reader, i);
cb.addTemplate(page, 0, 0);
}
document.close();
```
5. 关闭输入流和输出流。
完整代码示例:
```
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfImportedPage;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfWriter;
public class WordToPdfConverter {
public static void main(String[] args) throws Exception {
// Create Word document
XWPFDocument document = new XWPFDocument();
XWPFParagraph paragraph = document.createParagraph();
XWPFRun run = paragraph.createRun();
run.setText("Hello, World!");
// Write Word document to output stream
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
document.write(outputStream);
// Convert Word document to PDF
InputStream inputStream = new FileInputStream("input.docx");
OutputStream pdfOutputStream = new FileOutputStream("output.pdf");
PdfWriter writer = PdfWriter.getInstance(document, pdfOutputStream);
writer.setInitialLeading(12.5f);
document.open();
PdfReader reader = new PdfReader(inputStream);
PdfContentByte cb = writer.getDirectContent();
for (int i = 1; i <= reader.getNumberOfPages(); i++) {
document.newPage();
PdfImportedPage page = writer.getImportedPage(reader, i);
cb.addTemplate(page, 0, 0);
}
document.close();
// Close streams
outputStream.close();
inputStream.close();
pdfOutputStream.close();
}
}
```