html转pdf++java
时间: 2023-12-13 19:33:06 浏览: 27
以下是Java实现HTML转PDF的步骤和代码示例:
1. 首先需要引入依赖,可以使用Maven来管理依赖。在pom.xml文件中添加以下依赖:
```xml
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.13</version>
</dependency>
```
2. 创建一个PdfGenerator类,用于将HTML转换为PDF。代码如下:
```java
import com.itextpdf.text.Document;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.pdf.PdfWriter;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import java.io.FileOutputStream;
import java.io.IOException;
public class PdfGenerator {
public static void generatePdfFromHtml(String html, String pdfPath) throws IOException {
Document document = new Document(PageSize.A4);
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(pdfPath));
document.open();
org.jsoup.nodes.Document doc = Jsoup.parse(html);
Elements elements = doc.getAllElements();
for (Element element : elements) {
if (element.tagName().equals("img")) {
String src = element.attr("src");
element.attr("src", "file:" + src);
}
}
document.addAuthor("Author");
document.addCreator("Creator");
document.addTitle("Title");
document.addSubject("Subject");
document.addKeywords("Keywords");
document.addCreationDate();
document.addHeader("Header", "Value");
document.add(new com.itextpdf.text.html.simpleparser.HTMLWorker(document).parseToList(new java.io.StringReader(html), null));
document.close();
writer.close();
}
}
```
3. 在你的Java应用程序中调用generatePdfFromHtml方法,将HTML转换为PDF。示例代码如下:
```java
String html = "<html><body><h1>Hello, World!</h1></body></html>";
String pdfPath = "output.pdf";
PdfGenerator.generatePdfFromHtml(html, pdfPath);
```