Java集成Itext实现HTML转PDF

一、导入Maven依赖

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<!--集成itext -->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.5.13</version>
</dependency>
<dependency>
<groupId>com.itextpdf.tool</groupId>
<artifactId>xmlworker</artifactId>
<version>5.5.13</version>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itext-asian</artifactId>
<version>5.2.0</version>
</dependency>

二、核心类

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public class HtmlTransPDF {

/**
* @throws
* @Title: htmlTransPdf
* @Description: html 转 pdf ,简单字符和数字
* @param: @param inputStream
* @param: @param outputStream
* @return: void
*/
public static void htmlTransPdf(InputStream inputStream, OutputStream outputStream) {
try {
Document document = new Document();
// 为该Document创建一个Writer实例
PdfWriter pdfwriter = PdfWriter.getInstance(document,
outputStream);
pdfwriter.setViewerPreferences(PdfWriter.HideToolbar);
// 打开当前的document
document.open();
XMLWorkerHelper.getInstance().parseXHtml(pdfwriter, document, inputStream);
document.close();

} catch (Exception e) {
e.printStackTrace();
}
}

/**
* @throws
* @Title: htmlTransPdfChinese
* @Description: html 转 pdf, 简单中文
* @param: @param pdfFile
* @param: @param content
* @return: void
*/
public static void htmlTransPdfChinese(String pdfFile, String content) {
try {
Document document = new Document();
// 为该Document创建一个Writer实例
PdfWriter pdfwriter = PdfWriter.getInstance(document,
new FileOutputStream(pdfFile));
pdfwriter.setViewerPreferences(PdfWriter.HideToolbar);
// 打开当前的document
document.open();
XMLWorkerHelper.getInstance().parseXHtml(pdfwriter, document, new ByteArrayInputStream(content.getBytes("Utf-8")), Charset.forName("UTF-8"));
document.close();

} catch (Exception e) {
e.printStackTrace();
}
}

}

三、测试

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public static void main(String[] args) {
String htmlPath = "D:\\usr\\template\\test.html";
String pdfPath = "D:\\usr\\template\\test.pdf";
String content = "";
File htmlFile = new File(htmlPath);
File pdfFile = new File(pdfPath);
if(htmlFile.exists()){
if(!pdfFile.exists()){
try {
pdfFile.createNewFile();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// 开始读取html 文件内容
BufferedReader br;
try {
br = new BufferedReader(new InputStreamReader(
new FileInputStream(htmlFile), "UTF-8"));
String row = "";
while ((row = br.readLine()) != null) {
// System.out.println(t);
content += row;
}
HtmlTransPDF.htmlTransPdfChinese(pdfPath, content);
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}

参考资料:
Java Itext 实现HTML 转换PDF

文章目录
  1. 1. 一、导入Maven依赖
  2. 2. 二、核心类
  3. 3. 三、测试