String source = args[0];
String dest = args[1];
// 1) 创建 DOCX 到 XHTML 的选项以从注册表中选择合适的转换器
Options options = Options.getFrom(DocumentKind.DOCX).to(ConverterTypeTo.XHTML);
// 2) 从注册表中获取转换器
IConverter converter = ConverterRegistry.getRegistry().getConverter(options);
// 3) 将 DOCX 转换为 (x)html
try {
    InputStream in = new FileInputStream(new File(source));
    OutputStream out = new FileOutputStream(new File(dest));
    converter.convert(in, out, options);
} catch (XDocConverterException | FileNotFoundException e) {
    e.printStackTrace();
}

<dependency>
    <groupId>fr.opensagres.xdocreport</groupId>
    <artifactId>fr.opensagres.xdocreport.document.docx</artifactId>
    <version>2.0.2</version>
</dependency>
<dependency>
    <groupId>fr.opensagres.xdocreport</groupId>
    <artifactId>fr.opensagres.xdocreport.template.freemarker</artifactId>
    <version>2.0.2</version>
</dependency>
<dependency>
    <groupId>fr.opensagres.xdocreport</groupId>
    <artifactId>fr.opensagres.xdocreport.converter.docx.xwpf</artifactId>
    <version>2.0.2</version>
</dependency>

import java.io.*;
import fr.opensagres.poi.xwpf.converter.xhtml.XHTMLConverter;
import fr.opensagres.poi.xwpf.converter.xhtml.XHTMLOptions;
import fr.opensagres.poi.xwpf.converter.core.ImageManager;
import org.apache.poi.xwpf.usermodel.*;
public class DOCXToXHTMLXDocReport {
    public static void main(String[] args) throws Exception {
        String docPath = "./WordDocument.docx";
        String root = "./";
        String htmlPath = root + "WordDocument.html";
        XWPFDocument document = new XWPFDocument(new FileInputStream(docPath));
        XHTMLOptions options = XHTMLOptions.create().setImageManager(new ImageManager(new File(root), "images"));
        FileOutputStream out = new FileOutputStream(htmlPath);
        XHTMLConverter.getInstance().convert(document, out, options);
        out.close();		
        document.close();		
    }
}

<details>
<summary>英文:</summary>
To convert `*.docx` to `XHTML` using `XDocReport` and `apache poi`&#39;s `XWPFDocument` as the source you will need `XHTMLOptions`. Those options are able having `ImageManager` to set the path for extracted images from `XWPFDocument`. Then `XHTMLConverter` is needed to convert.
Complete example:
    import java.io.*;
    
    //needed jars: xdocreport-2.0.2.jar, 
    import fr.opensagres.poi.xwpf.converter.xhtml.XHTMLConverter;
    import fr.opensagres.poi.xwpf.converter.xhtml.XHTMLOptions;
    import fr.opensagres.poi.xwpf.converter.core.ImageManager;
    
    //needed jars: all apache poi dependencies
    import org.apache.poi.xwpf.usermodel.*;
    
    public class DOCXToXHTMLXDocReport {
    
     public static void main(String[] args) throws Exception {
    
      String docPath = &quot;./WordDocument.docx&quot;;
    
      String root = &quot;./&quot;;
      String htmlPath = root + &quot;WordDocument.html&quot;;
    
      XWPFDocument document = new XWPFDocument(new FileInputStream(docPath));
    
      XHTMLOptions options = XHTMLOptions.create().setImageManager(new ImageManager(new File(root), &quot;images&quot;));
    
      FileOutputStream out = new FileOutputStream(htmlPath);
      XHTMLConverter.getInstance().convert(document, out, options);
    
      out.close();		
      document.close();		
     
     }
    }
This handles images properly.
But `XDocReport` is unable handling page background colors of `XWPFDocument` properly until now. It extracts and handles paragraph background colors but not page background colors.
</details>