java将图片转换为PDF
时间: 2024-05-11 19:13:51 浏览: 9
要将图片转换为PDF,您可以使用以下步骤:
1. 导入所需的Java库和类:
```
import java.io.FileOutputStream;
import com.itextpdf.text.Document;
import com.itextpdf.text.Image;
import com.itextpdf.text.pdf.PdfWriter;
```
2. 创建一个新的PDF文档:
```
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("image.pdf"));
document.open();
```
3. 加载图片并将其添加到PDF文档中:
```
Image image = Image.getInstance("image.jpg");
document.add(image);
```
4. 关闭文档并保存PDF文件:
```
document.close();
```
完整的Java代码示例:
```
import java.io.FileOutputStream;
import com.itextpdf.text.Document;
import com.itextpdf.text.Image;
import com.itextpdf.text.pdf.PdfWriter;
public class ImageToPDF {
public static void main(String[] args) {
try {
// Create a new PDF document
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("image.pdf"));
document.open();
// Load the image and add it to the PDF document
Image image = Image.getInstance("image.jpg");
document.add(image);
// Close the document and save the PDF file
document.close();
System.out.println("Image converted to PDF successfully!");
} catch (Exception e) {
e.printStackTrace();
}
}
}
```